Company lists · Data refreshed September 2026

Top 25 Nonprofit grant writing services worldwide

RevenueBase identified 2,697 company matches for nonprofit grant writing services worldwide as of September 2026 and tracks 9,621 professional contacts across them, including 3,686 with verified work emails. The United States is the largest market and New York the largest hub.

This list covers company matches for nonprofit grant writing services worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 20, 2026. Country and city lists for nonprofit grant writing services follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 20, 2026 How this list was built
2,697Companies
9,621Contacts tracked
3,686Verified emails
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The 25 largest nonprofit grant writing services worldwide

Ranked by team size
Top 25 of 2,697 company matches for nonprofit grant writing services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchNew York, NY, United StatesHQ recorded Sep 20, 2026501-1,000728 contacts →

Exact match

“For over 75 years, CCS Fundraising has empowered many of the world’s greatest organizations to advance some of the most important causes in history.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2Exact matchUsa, United StatesHQ recorded Sep 20, 202651-200125 contacts →

Exact match

“BWF Zuri is the nonprofit sector’s most comprehensive fundraising consulting company, helping organizations thrive in a rapidly changing landscape.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3Exact matchChicago, IL, United StatesHQ recorded Sep 20, 202651-200102 contacts →

Exact match

“Campbell & Company is a national nonprofit consulting firm that helps organizations create greater impact through fundraising, communications and strategic information services.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4Exact matchChicago, IL, United StatesHQ recorded Sep 20, 2026201-500102 contacts →

Exact match

“Founded in 1943, Hektoen Institute offers a full-service, turn-key grant management solution for nonprofit organizations and municipalities.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5Exact matchToronto, ON, CanadaHQ recorded Sep 20, 202651-200101 contacts →

Exact match

“At KCI, we are a firm focused on values and people…both ours and yours.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 20, 202651-20083 contacts →

Exact match

“Schultz & Williams is a national consulting firm dedicated to helping nonprofits of all types and sizes achieve financial stability, meet organizational goals, and support greater…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7Exact matchLyndhurst, NJ, United StatesHQ recorded Sep 20, 202651-20079 contacts →

Exact match

“Marts & Lundy serves as a trusted partner to mission-driven organizations whose bold aspirations are realized through the power of philanthropy.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8Exact matchJohns Creek, GA, United StatesHQ recorded Sep 20, 202651-20078 contacts →

Exact match

“Most faith-based organizations don't have a funding problem.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9Exact matchWashington, DC, United StatesHQ recorded Sep 20, 202651-20074 contacts →

Exact match

“Avalon is a full-service fundraising consulting agency helping nonprofits realize the full potential of their direct marketing programs through multi-channel fundraising…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10Exact matchWashington, DC, United StatesHQ recorded Sep 20, 202651-20064 contacts →

Exact match

“Lautman Maska Neill & Company is an award-winning direct response consulting firm specializing in fully-integrated fundraising exclusively for nonprofits.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11Exact matchRaleigh, NC, United StatesHQ recorded Sep 20, 202611-5056 contacts →

Exact match

“We help nonprofits amplify their impact to create more good in the world.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12Exact matchWashington, DC, United StatesHQ recorded Sep 20, 202651-20055 contacts →

Exact match

“Elevate is a woman-owned and woman-led business established to help nonprofit organizations of all sizes build, sustain, and grow effective grant programs.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13Exact matchFort Worth, United StatesHQ recorded Sep 20, 202611-5054 contacts →

Exact match

“Cargill Associates is a full-service national fundraising consulting firm committed to tailoring carefully designed programs to meet the needs of each client.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14Exact matchMorristown, NJ, United StatesHQ recorded Sep 20, 202611-5053 contacts →

Exact match

“Millennium Strategies is the largest full-service grants consulting firm in the region.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15Exact matchAtlanta, GA, United StatesHQ recorded Sep 20, 202611-5049 contacts →

Exact match

“Coxe Curry & Associates is the Atlanta consulting firm creating the strategies and connections that help nonprofits thrive.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16Exact matchNew Delhi, IndiaHQ recorded Sep 20, 202611-5049 contacts →

Exact match

“Welcome to 180 Degrees Consulting SGTB Khalsa, where we believe that every non-profit has the potential to change the world.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17Exact matchWinter Park, FL, United StatesHQ recorded Sep 20, 202611-5048 contacts →

Exact match

“At BryteBridge, we are on a Mission to Empower dreamers and doers to build organizations that positively impact their communities.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18Exact matchEl Segundo, CA, United StatesHQ recorded Sep 20, 202611-5047 contacts →

Exact match

“Since 2004, California Consulting, Inc.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19Exact matchRaleigh, NC, United StatesHQ recorded Sep 20, 202611-5046 contacts →

Exact match

“As nonprofit leaders, you have to stay agile and resilient to remain profitable, sustainable, and ahead-always ensuring that growth equals funding, and that funding equals…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20Exact matchVero Beach, FL, United StatesHQ recorded Sep 20, 202611-5043 contacts →

Exact match

“Co-founded by Bob Carter and Steve Higgins in 2011, Carter selects its team members from the nation’s most respected nonprofit professionals.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21Exact matchColumbus, OH, United StatesHQ recorded Sep 20, 202611-5042 contacts →

Exact match

“Serving those who serve the common good.™ Fuel your cause with powerful fundraising, people, and systems.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22Exact matchAlexandria, VA, United StatesHQ recorded Sep 20, 202611-5041 contacts →

Exact match

“The Compass Group’s fundraising consultants provide counsel on strategy, education and coaching to organizations that must be successful in fundraising.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23Exact matchCleveland, OH, United StatesHQ recorded Sep 20, 202611-5038 contacts →

Exact match

“Founded in 2007, Grants Plus is the most trusted and experienced professional grant seeking firm in the country.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24Exact matchLondon, United KingdomHQ recorded Sep 20, 202611-5037 contacts →

Exact match

“Welcome to Philanthropy Company.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25Exact matchDenver, CO, United StatesHQ recorded Sep 20, 202611-5037 contacts →

Exact match

“ZIM Consulting (ZIM) is a woman-owned, Denver-based, full-service consulting firm that specializes in grant management, strategic planning, and fundraising implementation services…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase

Showing 25 of 2,697 nonprofit grant writing services worldwide

See the full list, filter by size, metro and specialty, and access 3,686 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Nonprofit grant writing services worldwide at a glance

As of Sep 20, 2026
38.3%Verified-email coverage
3.6Average contacts per company
1-10Median size (employees)
2.4%Largest-city concentration · New York
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
2,455
11-50
208
51-200
27
201-500
3
501-1,000
1
10001+
1

Email recency is reported on each country list linked below.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for nonprofit grant writing services are linked below.
What qualifies
Company records worldwide whose business descriptions match “nonprofit grant writing services” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 3,686 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 20, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Nonprofit grant writing services by location

11 lists · largest first

Every Nonprofit grant writing services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “nonprofit grant writing services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many nonprofit grant writing services are there worldwide?

RevenueBase identified 2,697 company matches for nonprofit grant writing services worldwide as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

CCS Fundraising tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most nonprofit grant writing services?

The United States leads with 1,700 companies, followed by Canada (100) and the United Kingdom (44). Every nonprofit grant writing services list by country and city is linked on this page.

Which city has the most nonprofit grant writing services?

New York leads with 66 company records, followed by Atlanta (53) and Chicago (49).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 3,686 professional contacts with verified work emails tracked across these 2,697 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 20, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.