A strong letter of support can make your grant application more credible because it gives reviewers independent proof that other people, organizations, and community partners are prepared to stand behind your project.
Instead of simply telling a funder that your project has community support, you can use a strong support letter to prove it.
The best letters show exactly what a partner, donor, school, agency, employer, community organization, or other stakeholder will contribute if your project receives funding.
That contribution might include referrals, meeting space, equipment, volunteer hours, matching funds, professional services, evaluation support, outreach, staff participation, or access to the people you plan to serve.
If you are still preparing the funding portion of your application, you can also use 17 Grant Request Letter Samples to strengthen your direct funding request.
For a separate financial request, review 15 Request for Funds Letter Samples. If you need help presenting projected expenses, you can also use 17 Sample Budget Request Letters.
The 15 grant support letter samples below give you practical starting points for community programs, schools, health projects, nonprofits, workforce programs, matching funds, research partnerships, public agencies, and more.
7-Question Grant Support Letter Decision Quiz
Answer these seven questions before choosing a grant support letter template. Your selections will show you what your letter should emphasize and what you may need to fix before submitting it.
Quick Answer Summary
A strong grant letter of support should come from someone who has a genuine connection to your project and can confirm meaningful support.
Your letter should:
- Name your organization.
- Identify the grant, program, or project.
- Explain how the signer knows your organization.
- Describe the support being offered.
- Include measurable commitments whenever possible.
- Explain why your project matters.
- Match your proposal, budget, and timeline.
- Include the signer’s name, title, organization, and contact information.
- Be signed and dated.
- Follow the funder’s exact instructions.
Your strongest letter is rarely the one containing the most praise.
It is usually the one that gives the reviewer the clearest evidence that your project has credible partners and a realistic plan for implementation.
If you are unfamiliar with formal request-letter structure, What Is a Request Letter? gives you a simple foundation you can use throughout your funding package.
Choose Your Grant Support Letter Template Fast
Select the type of person or organization supporting your grant. A complete template will appear below for you to customize.
Community Partner Support Letter
[Date]
Dear Grant Review Committee:
I am writing on behalf of [Supporting Organization] to express our strong support for [Applicant Organization] and its proposal, [Project Name], submitted to [Funder Name].
Our organization has worked with [Applicant Organization] for [length of time] through [describe partnership, services, events, referrals, or previous collaboration]. Through this relationship, we have seen its commitment to [population or community need].
If this project receives funding, we will support implementation by providing [specific commitment]. We anticipate contributing approximately [number of referrals, volunteer hours, meetings, events, space, services, or estimated value].
This project is important because [brief explanation of community need]. Based on our experience, we believe [Applicant Organization] has the relationships and capacity necessary to carry out the proposed work successfully.
We strongly support this proposal and respectfully encourage your favorable consideration.
Sincerely,
[Name]
[Title]
[Organization]
[Phone]
[Email]
School or Education Partner Support Letter
[Date]
Dear Grant Review Committee:
I am pleased to support [Applicant Organization] and its proposal to provide [program or service] for [students, families, teachers, or other population].
As [Principal/Superintendent/Program Director] of [School or Institution], I have worked with [Applicant Organization] through [describe relationship]. I have seen firsthand the need for [describe educational need].
If funding is awarded, our institution will provide [classroom space, student referrals, family outreach, staff participation, data support, facilities, or other contribution]. We anticipate serving or referring approximately [number] participants during [time period].
The proposed program will help address [specific problem or service gap]. We believe [Applicant Organization] is well-positioned to deliver these services effectively.
I strongly endorse this application and encourage your favorable consideration.
Sincerely,
[Name]
[Title]
[School or Institution]
[Phone]
[Email]
Business or In-Kind Support Letter
[Date]
Dear Grant Review Committee:
[Company Name] is pleased to support [Applicant Organization] and its grant proposal for [Project Name].
Our company has worked with [Applicant Organization] through [describe relationship]. We believe the proposed project will benefit [target population or community] by [briefly describe expected benefit].
If the grant is awarded, [Company Name] will provide [equipment, professional services, employee volunteers, meeting space, technology, training, transportation, supplies, or other support]. The estimated value of this contribution is [amount], where applicable.
We believe this partnership can help [describe practical outcome]. We are pleased to contribute resources toward the project’s successful implementation.
Sincerely,
[Name]
[Title]
[Company]
[Phone]
[Email]
Matching Funds Support Letter
[Date]
Dear Grant Review Committee:
I am writing on behalf of [Donor or Foundation Name] to confirm our support for [Applicant Organization] and its proposal, [Project Name].
We have followed the work of [Applicant Organization] and believe this project addresses an important need related to [brief description].
Contingent upon the grant award and subject to our approved commitment, [Donor or Foundation Name] will provide matching funds in the amount of $[amount]. These funds are intended to support [specific project expenses or activities].
We believe [Applicant Organization] has the experience and capacity necessary to implement the project successfully and responsibly.
We strongly support this application.
Sincerely,
[Name]
[Title]
[Foundation or Donor Organization]
[Phone]
[Email]
Research or Evaluation Partner Support Letter
[Date]
Dear Grant Review Committee:
I am pleased to support [Applicant Organization] and its proposal, [Project Name].
As [Title] at [University, Research Organization, or Consulting Firm], I have worked with [Applicant Organization] through [describe relationship or previous work].
If funding is awarded, I will support the project by providing [evaluation design, survey development, data analysis, reporting, research assistance, outcome measurement, or other contribution]. I anticipate contributing approximately [hours, meetings, reports, or other measurable commitment].
A strong evaluation process will help the project measure [key outcomes] and identify opportunities for continuous improvement.
I support this application and look forward to contributing to the project if it receives funding.
Sincerely,
[Name]
[Title]
[Organization]
[Phone]
[Email]
Government or Public Agency Support Letter
[Date]
Dear Grant Review Committee:
[Agency Name] is pleased to support [Applicant Organization] and its proposal for [Project Name].
Our agency recognizes the importance of addressing [community problem, public need, or service gap]. We are familiar with [Applicant Organization] through [describe relationship or coordination].
If the project receives funding, our agency will support implementation through [referrals, coordination meetings, outreach, educational materials, appropriate data support, introductions, facilities, or another authorized contribution].
The proposed project complements ongoing efforts to [describe related public objective]. We believe [Applicant Organization] can make a meaningful contribution to this work.
We respectfully support this proposal and encourage favorable consideration.
Sincerely,
[Name]
[Title]
[Agency]
[Phone]
[Email]
Important 2026–2027 Update for NIH Grant Applicants
If you are applying for an NIH grant, you need to pay special attention to upcoming changes.
On July 27, 2026, NIH announced that when Forms J are implemented in Fiscal Year 2027, traditional NIH letters of support will be replaced with letters of collaboration.
Under the announced policy, an individual NIH letter of collaboration must not exceed 100 words and should focus on the signer’s intent to collaborate or commit resources described in the application. Letters written merely to endorse or praise an application will no longer be permitted under the new NIH requirements.
NIH has also warned that applications containing traditional letters of support after the new Forms J requirements are implemented may be returned without review.
Because the rules discussed in this article apply broadly to many types of grants, do not assume that the NIH change applies to every foundation, corporation, state agency, local grantmaker, or nonprofit funder.
Always check the instructions for the particular grant you are submitting.
Source: NIH Notice NOT-OD-26-094, released July 27, 2026.
Why Letters of Support Matter in Your Grant Application
When you apply for a grant, a reviewer is evaluating more than whether your idea sounds worthwhile.
The reviewer also wants to know whether you can actually carry out what you are promising.
A good support letter can reduce uncertainty.
For example, suppose your grant proposal says you plan to serve 200 students through an after-school program.
A letter from a school principal that says, “We support this project” is helpful.
A letter from that principal confirming that the school will identify eligible students, provide classroom space three afternoons each week, communicate with parents, and refer approximately 100 students during the project year is much stronger.
You are giving the reviewer evidence instead of praise.
The same principle applies when your proposal includes:
- Matching funds
- Donated equipment
- Volunteer commitments
- Free meeting space
- Participant referrals
- Professional services
- Research assistance
- Data collection
- Community outreach
- Staff time
- Transportation
- Training
- Evaluation support
If your grant requires a separate funding request in addition to the proposal, 15 Request for Funds Letter Samples can help you present the financial ask clearly.
What Is a Letter of Support for a Grant?
A grant letter of support is a written statement from a person or organization that supports your proposed project and can explain why the project deserves funding.
Depending on the grant, your signer might be:
- A nonprofit partner
- A school principal
- A superintendent
- A business owner
- A corporate sponsor
- A public official
- A clinic director
- A donor
- A board chair
- A university partner
- An employer
- A coalition leader
- A faith leader
- An evaluator
- A library director
- A public agency representative
- A community leader
The important question is not simply, “Who has the most impressive title?”
Ask yourself:
Who can give the reviewer meaningful evidence that your project is needed and that your organization can successfully deliver it?
That person is often your best choice.
If your support involves donated money, goods, or services rather than a formal grant partnership, you may also find How to Write a Donation Request Letter useful.
How a Grant Request Letter Differs From a Letter of Support
You should not confuse a grant request letter with a grant support letter.
A grant request letter normally comes from you or your organization and asks the funder for money.
A letter of support normally comes from someone else who is backing your project, participating in it, or committing resources.
Think of the difference this way:
Your grant request says:
“Please fund this project.”
Your support letter says:
“We know this organization, this project is needed, and here is how we will help make it successful.”
In many applications, the two documents work together.
What Makes Your Grant Support Letter Powerful?
Your support letter becomes more persuasive when it moves beyond general compliments.
1. Name Your Project Clearly
Include your exact:
- Organization name
- Project name
- Grant opportunity
- Program name
- Funding request
A reviewer should immediately understand which application the letter supports.
2. Explain the Relationship
Your signer should briefly explain:
- How they know you
- How long they have worked with you
- What previous activities you have completed together
- Why they are qualified to comment on your work
Specific relationships create credibility.
3. Confirm Real Support
This is usually the most valuable part of the letter.
Instead of:
“We are happy to support this wonderful program.”
Use something measurable, such as:
- 75 student referrals
- 100 volunteer hours
- Two classrooms three evenings per week
- $20,000 in matching funds
- 30 refurbished laptop computers
- 10 hours per month of professional consultation
- Quarterly evaluation meetings
- Family outreach to 500 households
Your details make your partnership believable.
4. Explain Why the Project Matters
Your signer should explain the problem from their own perspective.
For example, a school principal might discuss literacy gaps.
A clinic director might discuss transportation barriers.
An employer might discuss shortages of trained entry-level workers.
A food pantry partner might discuss increasing demand.
You want the letter to add information rather than simply repeat your proposal.
5. Keep the Letter Aligned With Your Proposal
Every commitment in the support letter should agree with your:
- Grant narrative
- Budget
- Work plan
- Timeline
- Staffing plan
- Evaluation plan
If your support letter says a partner will donate $25,000 but your budget shows $10,000, you create an unnecessary credibility problem.
For help organizing financial requests, see 17 Sample Budget Request Letters.
6. Keep It Easy to Review
Unless your funder says otherwise, a concise letter is usually more effective than a long, repetitive endorsement.
You want the reviewer to quickly identify:
Who is writing?
What is being supported?
Why does it matter?
What will the signer contribute?
Why should the reviewer believe them?
Common Mistakes That Can Weaken Your Grant Support Letter
Before you submit a letter, watch for these problems:
- Using a generic letter from an old application
- Failing to name your project
- Failing to identify your organization
- Offering praise without a commitment
- Choosing a famous signer with no meaningful project connection
- Including promises that are missing from your proposal
- Using different numbers in your letter and budget
- Forgetting contact information
- Submitting an unsigned letter
- Using an outdated date
- Asking your supporter at the last minute
- Including several letters that all say essentially the same thing
- Ignoring the funder’s attachment requirements
- Adding letters when the funder does not allow them
You should never assume that an extra attachment improves your application.
Follow the funding instructions first.
Best Structure for Your Grant Letter of Support
You can make most support letters easy to read by using five short sections.
Paragraph 1: Introduce the Signer
Your signer introduces themselves, their organization, and their relationship with you.
Paragraph 2: Clearly Support Your Project
Your signer names the project and states their support.
Paragraph 3: Describe the Specific Commitment
This is your most important paragraph.
Describe exactly what the signer or organization will contribute.
Paragraph 4: Explain the Need
Connect your proposed project to a real problem, population, or community need.
Paragraph 5: Give a Clear Endorsement
Close with a direct statement of support followed by the signer’s name, title, organization, phone number, and email address.
If you need more general examples of professional letter structure, review 15 Official Request Letter Samples.
Free Grant Letter of Support Template
[Date]
To the Grant Review Committee:
I am writing on behalf of [Supporting Organization Name] to express our strong support for [Applicant Organization Name] and its proposal, [Project Name], submitted for consideration under [Grant or Funding Program Name].
Our organization has worked with [Applicant Organization Name] for [length of relationship] through [briefly describe your relationship, collaboration, or prior activities]. Through this experience, we have seen the organization demonstrate a strong commitment to [target population, mission, community need, or program goal].
If this project receives funding, we will support its implementation by providing [specific support, such as referrals, meeting space, volunteer hours, outreach, equipment, matching funds, evaluation assistance, staff participation, professional services, or data support]. We expect this contribution to include approximately [number, amount, frequency, or estimated value whenever appropriate].
This project addresses an important need because [brief explanation of problem or community need]. Based on our experience with [Applicant Organization Name], we believe the organization has the relationships, leadership, experience, and capacity necessary to successfully carry out the proposed work.
We strongly support this proposal and respectfully encourage your favorable consideration.
Please contact me at [phone number] or [email address] if additional information is needed.
Sincerely,
[Name]
[Title]
[Supporting Organization]
[Phone]
[Email]
15 Free Sample Letters of Support for Grant Applications
You can customize the following samples to fit your grant.
Do not copy commitments that are not accurate.
Replace the names, amounts, dates, resources, activities, and outcomes with information that matches your actual proposal.
1. Community Partner Letter for an After-School Program
[Date]
To the Grant Review Committee:
I am pleased to write in strong support of Bright Futures Center and its proposal to expand after-school tutoring, mentoring, and enrichment services for middle school students in our community.
As Executive Director of Eastside Community Outreach, I have worked with Bright Futures Center for the past four years through family engagement events, student referrals, and neighborhood education initiatives. During that time, I have seen the organization build strong relationships with families and provide dependable support for students who need additional academic structure.
If the proposed project receives funding, Eastside Community Outreach will support implementation by referring eligible students and families, promoting enrollment through our community outreach channels, and providing our meeting room at no cost for two parent workshops each month. Based on the number of families we currently serve, we expect to refer approximately 60 students during the first project year.
This project addresses a significant local need. Many families face transportation barriers, demanding work schedules, and limited access to affordable academic support. Bright Futures Center has the experience and community relationships necessary to expand these services effectively.
We strongly support this grant application and believe the project can produce meaningful educational and social benefits for local students and their families.
Sincerely,
Maria Lopez
Executive Director
Eastside Community Outreach
2. School Principal Letter for a Literacy Grant
[Date]
Dear Grant Review Committee:
I am writing to express my strong support for Reading Pathways, Inc. and its proposal to provide intensive literacy intervention for elementary students at Lincoln Elementary School.
As Principal of Lincoln Elementary, I have seen Reading Pathways work directly with our students and families through volunteer reading sessions, family literacy nights, and small-group academic support. The organization understands how to help students strengthen both reading skills and academic confidence.
If funding is awarded, our school will identify eligible students, coordinate communication with parents, provide classroom space for after-school literacy sessions three days each week, and participate in quarterly project coordination meetings. Where appropriate and permitted by school policy, our staff will also assist with the collection of relevant student progress information.
Improving literacy outcomes remains an important goal for our school. Students who struggle with reading frequently encounter difficulties across multiple subjects, making early and consistent intervention especially valuable.
I strongly endorse this grant proposal and believe this partnership represents an important investment in student achievement.
Sincerely,
James Carter
Principal
Lincoln Elementary School
3. Health Clinic Letter for a Mobile Wellness Grant
[Date]
To Whom It May Concern:
River Valley Community Health Clinic is pleased to support Hope on Wheels and its grant application to launch a mobile wellness program serving uninsured and underinsured families throughout our county.
As Medical Director, I regularly see how transportation, cost, limited appointment availability, and scheduling conflicts can prevent residents from receiving preventive healthcare services.
If this project receives funding, our clinic will provide part-time nurse practitioner consultation, assist with referral procedures for individuals who need follow-up care, help develop appropriate screening procedures, participate in project planning meetings, and provide educational materials for community distribution.
Many residents delay preventive services until relatively manageable health concerns become more serious. A mobile program that brings basic wellness resources directly into underserved communities can help reduce some of those access barriers.
Hope on Wheels has demonstrated a strong commitment to respectful outreach and practical community service. We fully support this proposal and believe it can strengthen the local network of care.
Sincerely,
Dr. Angela Morris
Medical Director
River Valley Community Health Clinic
4. City Official Letter for a Youth Violence Prevention Grant
[Date]
Dear Grant Reviewers:
I am writing in strong support of Safe Streets Youth Initiative and its proposal to expand mentorship, conflict-resolution, leadership, and violence-prevention programming for teenagers in our city.
As a member of the City Council, I have followed the organization’s work and have seen its efforts to engage young people, families, schools, neighborhood organizations, and community leaders.
If the project receives funding, my office will assist with introductions to appropriate city departments, promote community listening sessions, and support outreach to neighborhood associations and other relevant community partners.
Youth violence prevention requires more than a single intervention. Young people benefit from trusted adults, constructive activities, safe environments, mentoring, and consistent community engagement.
Safe Streets Youth Initiative has developed meaningful relationships with local families and is well-positioned to expand this work.
I strongly support this proposal and respectfully encourage your favorable consideration.
Sincerely,
Councilmember Renee Wallace
City Council
5. Board Chair Letter Supporting a Nonprofit Grant
[Date]
To the Grant Review Committee:
As Chair of the Board of Directors for New Horizons Family Services, I am writing to express our board’s full support for the organization’s proposal to expand its emergency family stabilization program.
Our board has reviewed the proposed project, staffing needs, budget, implementation timeline, and anticipated outcomes. We believe the proposal is realistic, necessary, and closely aligned with the organization’s mission.
If the grant is awarded, the board will support implementation through regular financial oversight, review of project performance, strategic guidance, and sustainability planning. Board members will also assist with donor cultivation and community outreach to help strengthen the program after the initial grant period.
Families experiencing housing instability often need coordinated assistance quickly. New Horizons Family Services has developed the relationships and operational experience necessary to provide that support responsibly.
On behalf of the Board of Directors, I strongly endorse this application.
Sincerely,
Patricia Greene
Board Chair
New Horizons Family Services
6. Corporate Partner Letter for In-Kind Support
[Date]
Dear Members of the Funding Committee:
TechCore Solutions is pleased to support Digital Doors and its proposal to expand digital literacy training for low-income adults and older residents.
Our company has worked with Digital Doors for the past two years by donating refurbished computers and providing employee volunteers for community technology workshops.
If the proposed project receives funding, TechCore Solutions commits to providing 40 refurbished laptop computers, basic accessories, and initial technical setup support with an estimated in-kind value of $18,000. We will also provide employee volunteers for three training events during the first project year.
Reliable access to technology affects employment, healthcare, public benefits, education, financial services, and daily communication. Digital Doors has developed a practical approach that helps residents become more confident using essential online tools.
We strongly support this proposal and are pleased to contribute resources toward its success.
Sincerely,
Michael Tran
Director of Community Engagement
TechCore Solutions
7. University Partner Letter for Research and Evaluation Support
[Date]
To the Grant Review Committee:
I am writing on behalf of the Department of Public Policy at State University to support Community Wellness Alliance and its proposal to expand neighborhood-based nutrition education and chronic-disease prevention programming.
As an Associate Professor, I have collaborated with Community Wellness Alliance through community research projects, student service initiatives, and program evaluation planning. The organization consistently demonstrates a commitment to both community relationships and measurable outcomes.
If the project receives funding, our department will assist with evaluation design, development of participant surveys, analysis of project data, and interpretation of program results. We anticipate contributing approximately 120 faculty and graduate assistant hours during the first project year.
A major strength of this proposal is its emphasis on measurable outcomes and continuous improvement.
Community Wellness Alliance understands that effective programs should combine practical services with reliable information about results.
I enthusiastically support this application.
Sincerely,
Dr. Evelyn Brooks
Associate Professor
Department of Public Policy
State University
If your project requires participant access, academic collaboration, interviews, surveys, or other research activities, 17 Sample Letters for Conducting Research may also help you prepare related correspondence.
8. Faith Leader Letter for a Food Security Grant
[Date]
Dear Review Committee:
As Senior Pastor of New Hope Fellowship Church, I am pleased to support Helping Hands Outreach and its proposal to expand food-security services for families in our community.
Our congregation has partnered with Helping Hands Outreach for more than three years through food distributions, school-supply drives, volunteer projects, and other community activities.
If this grant is awarded, our church will provide volunteers for monthly food distributions, make our fellowship hall available twice each month for pantry activities, and assist with outreach to families who may benefit from the program.
Food insecurity is often difficult to see. Many families experiencing financial pressure must regularly balance groceries against rent, utilities, transportation, childcare, and other essential expenses.
Helping Hands Outreach has earned the trust of local families through consistent and respectful service.
We fully support this proposal and respectfully encourage favorable consideration.
Sincerely,
Rev. Daniel Harper
Senior Pastor
New Hope Fellowship Church
9. Parent Leader Letter for a Youth Development Grant
[Date]
To Whom It May Concern:
I am writing as President of the Parent Advisory Council at Northside Middle School to support the grant proposal submitted by Elevate Youth Programs.
Families in our school community have participated in Elevate’s mentoring, enrichment, leadership, and student-development activities. Parents regularly tell us that they value having a structured environment where students can learn new skills, build confidence, and connect with supportive adults.
If the project receives funding, our Parent Advisory Council will promote the program during family meetings, distribute information through approved school communication channels, encourage parent participation in workshops, and help connect families with project activities.
From a parent’s perspective, trust matters.
Elevate Youth Programs has built that trust by listening to families and maintaining a consistent presence in our community.
I strongly support this proposal and hope it receives full consideration.
Sincerely,
Tonya Fields
President
Parent Advisory Council
10. Employer Letter for a Workforce Training Grant
[Date]
Dear Grant Committee:
I am pleased to support CareerBridge Institute and its application for funding to expand workforce training in customer service, logistics, and entry-level operations.
As Human Resources Manager for Harbor Distribution Group, I have hired graduates from CareerBridge programs and have seen the practical value of its training approach.
CareerBridge helps participants develop not only occupational skills but also communication, reliability, interviewing, teamwork, and workplace readiness.
If this proposal receives funding, our company will participate in employer advisory meetings, provide mock-interview opportunities, host one facility tour each quarter, and consider qualified program graduates for appropriate openings as hiring needs arise.
Employers need applicants who understand both technical responsibilities and workplace expectations. Programs such as CareerBridge can help close that gap.
I strongly endorse this proposal and believe the project can benefit both job seekers and employers throughout our region.
Sincerely,
Nicole Bennett
Human Resources Manager
Harbor Distribution Group
11. Matching Funds Letter From a Donor
[Date]
To the Grant Review Committee:
I am writing on behalf of the Thompson Family Foundation to express our support for Hope Literacy Center and its proposal to expand adult literacy and GED preparation services.
Our foundation has followed Hope Literacy Center’s work for several years and has been impressed by its dedication to adult learners, measurable program outcomes, and strong community relationships.
To support the proposed expansion, the Thompson Family Foundation commits to providing a matching contribution of $25,000 contingent upon the grant being awarded.
The contribution will support instructional materials, participant testing fees, and part-time tutoring expenses consistent with the project budget.
Adult literacy can influence employment opportunities, educational advancement, financial independence, and family stability.
We believe Hope Literacy Center is well-positioned to expand these opportunities.
Please accept our strongest endorsement of this application.
Sincerely,
Elaine Thompson
President
Thompson Family Foundation
12. External Evaluator Letter for a Grant
[Date]
Dear Funding Review Panel:
I am writing to support Strong Start Initiative and its proposal to expand home-based early-childhood support services for first-time parents.
I have been invited to serve as the external evaluator for this project and am pleased to confirm my commitment to that role.
If funding is awarded, I will assist with development of the evaluation framework, outcome tracking, quarterly reporting, data review, and preparation of an annual evaluation summary aligned with the project’s stated performance measures.
My evaluation work will focus on implementation quality, participant engagement, service delivery, and selected outcomes associated with parent confidence and child-development support practices.
A practical evaluation process can help an organization demonstrate accountability while also identifying opportunities for program improvement.
Strong Start Initiative has shown a genuine commitment to using information to improve its services rather than treating evaluation simply as a reporting requirement.
I fully support this application and look forward to contributing to the project if it receives funding.
Sincerely,
Dr. Karen Ellis
Independent Evaluation Consultant
13. Library Letter for a Digital Access Grant
[Date]
To the Grant Review Committee:
Westbrook Public Library is pleased to support Community Connect Network and its proposal to provide digital-navigation assistance, computer access, and online-skills training for adults and older residents.
As Library Director, I regularly see patrons who need assistance completing online applications, using email, accessing telehealth services, applying for employment, communicating with schools, and navigating public-benefit websites.
If the project receives funding, the library will provide meeting-room space for workshops, promote program information to library patrons, and coordinate referrals for individuals who need additional one-on-one assistance.
Community Connect Network understands both the practical and personal challenges created by limited digital access.
Its proposed program complements our library’s mission to improve access to information and opportunity.
We strongly endorse this proposal and respectfully encourage favorable consideration.
Sincerely,
Laura Kim
Library Director
Westbrook Public Library
14. Coalition Letter for a Homelessness Response Grant
[Date]
Dear Review Committee Members:
I am writing on behalf of the County Housing Stability Coalition to support Open Door Services and its grant application to expand rapid-rehousing and stabilization assistance for families experiencing homelessness.
Our coalition includes shelters, social-service providers, advocates, public agencies, community organizations, and local institutions working to reduce housing instability throughout the county.
If the proposal receives funding, our coalition will support implementation by coordinating referrals, participating in cross-agency case discussions where appropriate, and helping align the project with existing housing and supportive-service programs.
Families experiencing homelessness frequently face several challenges at the same time, including employment disruption, school instability, childcare difficulties, transportation barriers, and healthcare needs.
A coordinated response can help families address those challenges more effectively.
Open Door Services has significant experience working collaboratively with local partners and is well-positioned to lead this expansion.
We strongly support this grant request.
Sincerely,
Samuel Reed
Chair
County Housing Stability Coalition
15. County Agency Letter for a Public Health Grant
[Date]
To Whom It May Concern:
The County Department of Public Health is pleased to support Healthy Families Action Network and its application for funding to expand maternal-health education and community-based care coordination.
Our department considers maternal and infant health an important community priority and values partnerships that improve access, communication, trust, and continuity of care.
If the proposed project receives funding, our department will participate in appropriate coordination meetings, distribute approved educational materials, and provide referrals through relevant community-facing programs.
We will also explore opportunities to coordinate project activities with broader county health-improvement efforts when appropriate.
Healthy Families Action Network has developed meaningful relationships in communities that have historically faced barriers to traditional systems of care.
Its proposal presents a practical approach to strengthening education, outreach, and coordination.
We strongly endorse this application and appreciate your consideration.
Sincerely,
Dr. Melissa Grant
Deputy Director
County Department of Public Health
How to Ask Someone to Write Your Grant Support Letter
A weak support letter often begins with a weak request.
Do not simply send:
“Can you write a support letter for our grant?”
You will usually get a much better result if you make the assignment easy.
Send your signer:
- Your project name
- The grant name
- The funder
- The deadline
- A short project summary
- The amount you are requesting
- Your target population
- The problem you are addressing
- Your major project activities
- The role of the signer
- Any resources they have agreed to provide
- Suggested measurable commitments
- Submission instructions
- The funder’s requirements
- A few suggested talking points
You can provide a draft if appropriate, but the final letter should accurately reflect what the signer is genuinely willing and authorized to provide.
Never place a financial commitment, resource commitment, endorsement, or partnership obligation in someone’s letter without their approval.
Grant Letter of Support Checklist
Before submitting each letter, check the following.
Funder Requirements
- You confirmed that letters of support are allowed or required.
- You checked whether the funder limits the number of letters.
- You checked page limits.
- You confirmed the permitted file format.
- You checked signature requirements.
- You reviewed upload instructions.
Signer Selection
- Your signer has a real connection to your project.
- Your signer understands the problem you are addressing.
- Your signer has authority to make the commitments described.
- Your signer can explain why your organization is credible.
Project Alignment
- Your organization name is correct.
- Your project name is correct.
- Your funding opportunity is correct.
- Your project goals match your proposal.
- Your target population matches your proposal.
- Your timeline is consistent.
- Your promised activities match the work plan.
Specific Commitments
- The letter identifies the signer’s role.
- The letter explains exactly what will be contributed.
- Dollar amounts are correct.
- In-kind values are accurate.
- Volunteer commitments are realistic.
- Staff commitments are approved.
- Referral estimates are reasonable.
- Donated resources are available.
Budget Alignment
Compare every financial commitment with your project budget.
You can use 17 Sample Budget Request Letters when you need additional examples of clear budget-related communication.
Formatting
- Use official letterhead when available.
- Include the current date.
- Address the correct funder or committee.
- Keep formatting professional.
- Include the signer’s title.
- Include the signer’s organization.
- Include contact information.
- Obtain the appropriate signature.
Final Review
Before uploading your letter, ask:
- Does it sound specific rather than generic?
- Does it add useful evidence?
- Does it match the proposal?
- Does it match the budget?
- Does it contain an actual commitment?
- Is every number correct?
- Is every name spelled correctly?
- Is it current?
- Is it permitted by the funder?
- Could a reviewer understand the signer’s role quickly?
If the answer to several of these questions is no, revise the letter before submitting it.
Practical Tips to Improve Your Grant Support Letters
Treat support letters as part of your grant strategy rather than decoration.
Ask Early
Give your partners enough time to review the project and approve their commitments.
Give Each Letter a Purpose
Do not collect five letters that all say your organization is wonderful.
Instead, you might collect:
- One school letter proving access to students
- One community organization letter confirming referrals
- One corporate letter confirming equipment
- One donor letter confirming matching funds
- One evaluator letter confirming evaluation support
Together, those letters tell a much stronger story.
Use Numbers Whenever They Are Reliable
Compare:
“We will provide volunteers.”
With:
“We will provide approximately 10 volunteers for each of six community distribution events.”
The second version gives your reviewer something concrete.
Match Every Promise to Your Proposal
If a partner promises something important, your proposal should explain how that contribution fits into implementation.
Choose Relevance Over Status
A famous person with no real connection to your project may add little value.
A school principal who can confirm that you will receive classroom space and access to 150 eligible students may give you much stronger evidence.
Avoid Exaggerated Language
You do not need to say your project is “revolutionary,” “unprecedented,” or “guaranteed to transform the community.”
Specific facts usually sound more credible.
Advanced Grant Support Letter Checklist
Use this checklist before you upload any letter of support with your grant application. Complete each section so the letter strengthens your proposal instead of creating unanswered questions.
FAQ: Grant Request Letters and Letters of Support
How long should your grant support letter be?
Unless the funder gives you a different limit, keep the letter concise and focused.
For many non-NIH grants, one page can be enough to explain the signer’s relationship, support, contribution, and endorsement.
If you are applying to NIH, however, you need to check the current NIH instructions carefully because NIH announced a transition to 100-word letters of collaboration when Forms J are implemented in FY 2027.
For additional examples of concise formal letters, review 15 Official Request Letter Samples.
Who should write your grant support letter?
Choose someone who can credibly explain why your project matters or confirm a meaningful role in its implementation.
Your strongest options may include:
- Partner organizations
- School administrators
- Employers
- Public agencies
- Donors
- Evaluators
- Community organizations
- Healthcare providers
- University partners
- Coalition leaders
Choose relevance over prestige.
Can you draft the support letter for the signer?
Yes, if the signer is comfortable with that arrangement.
You can prepare a draft or suggested talking points to save time, but the signer should review the letter carefully and approve every commitment before signing it.
Never put words, financial commitments, or resource commitments into another person’s name without approval.
How many grant support letters should you include?
Include only the number your funder allows and only letters that strengthen your application.
Three highly relevant letters can be more persuasive than eight repetitive endorsements.
Each letter should add something different.
What is the difference between a support letter and a grant request letter?
Your support letter normally comes from a partner or stakeholder supporting your project.
Your grant request letter normally comes from you and asks the funder for funding.
If you need the direct funding letter, use 17 Grant Request Letter Samples.
For other types of financial requests, see 15 Request for Funds Letter Samples.
Should your support letter mention money?
Yes, when the supporter is genuinely committing money, matching funds, donated services, staff time, equipment, or another resource with a financial value.
Make sure the amount matches your proposal and budget.
Never estimate an in-kind value without confirming that your calculation is reasonable and acceptable for the grant.
Can a business provide your letter of support?
Yes, when the business has a meaningful relationship with your project.
For example, a business may confirm:
- Donated equipment
- Employee volunteers
- Internship opportunities
- Job interviews
- Training
- Professional services
- Matching funds
- Meeting space
- Transportation
- Technology support
If your relationship is structured more like a promotional partnership, you can also review 15 Sponsorship Letter Samples.
Should every grant support letter be on letterhead?
Use official letterhead when it is available and permitted.
Letterhead helps establish who is providing the letter, but you should still include the signer’s name, job title, organization, phone number, and email address when appropriate.
Always follow the particular funder’s instructions.
Can you use the same support letter for several grants?
Avoid sending an unchanged generic letter to several funders.
You can reuse the basic structure, but customize:
- Funder name
- Grant name
- Project title
- Funding request
- Activities
- Commitment
- Timeline
- Outcomes
A customized letter shows that the supporter understands the application being submitted.
What if your funder does not allow letters of support?
Do not include them.
An extra attachment is not automatically helpful.
If the funder limits attachments or does not permit support letters, follow those instructions.
Is a donation letter the same as a grant support letter?
No.
A donation request normally asks an individual or organization to contribute money, supplies, or services.
A grant support letter generally shows a funder that another stakeholder supports or will participate in your proposed project.
If your real goal is to request a charitable contribution rather than document grant support, use 17 Donation Request Letter Samples.
Can your board chair write a letter of support?
Yes, when a board endorsement is relevant to the funding opportunity.
Your board chair can confirm:
- Board approval
- Governance oversight
- Financial oversight
- Strategic alignment
- Sustainability planning
- Fundraising involvement
- Organizational commitment
However, you should still check whether the funder specifically wants external support rather than an internal organizational endorsement.
What should you give someone who agrees to write your support letter?
Make their job easy.
Give them your project summary, grant name, deadline, funding amount, target population, their proposed role, confirmed commitments, and submission requirements.
If you need to formally request the letter, the principles in What Is a Request Letter? can help you make your request direct and professional.
Final Thoughts
Your strongest grant support letters do more than compliment your organization.
They provide evidence.
You want each letter to help answer an important question in the reviewer’s mind:
Can this applicant really carry out the proposed project?
A school can prove participant access.
A donor can prove matching funds.
A business can prove donated equipment.
An evaluator can prove measurement capacity.
A community organization can prove local trust.
A public agency can prove coordination.
An employer can prove workforce demand.
When you select your supporters strategically and ask them to make specific, realistic commitments, your letters become part of the evidence supporting your entire proposal.
Before submitting, compare every support letter with your narrative, work plan, timeline, and budget.
If you still need to prepare the financial ask, use 17 Grant Request Letter Samples, 15 Request for Funds Letter Samples, and 17 Sample Budget Request Letters to complete the rest of your funding package.
Short Disclaimer
This article is for educational and informational purposes only and does not provide legal, financial, tax, compliance, or professional grant-writing advice. Grant requirements vary by funder and can change. Always follow the current funding opportunity, grantmaker guidelines, agency notices, and application instructions before submitting a letter of support or collaboration.
