Company lists · Data refreshed September 2026

Top 25 Nonprofit grant writing services based in New York, United States

RevenueBase identified 66 company matches for nonprofit grant writing services associated with New York, United States as of September 2026 and tracks 956 professional contacts across them, including 627 with verified work emails. Across the United States, New York is the largest hub for this category.

This list covers company matches for nonprofit grant writing services associated with New York, United States, 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.

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
66Companies
956Contacts tracked
627Verified emails
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The 25 largest nonprofit grant writing services based in New York, United States

Ranked by team size
Top 25 of 66 company matches for nonprofit grant writing services based in New York, United States, 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 matchNew York, United StatesHQ recorded Sep 20, 202611-5026 contacts →

Exact match

“Advance NYC is a leading consulting firm dedicated to meeting the flexible, on-demand needs of non-profits.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3Exact matchNew York, NY, United StatesHQ recorded Sep 20, 202611-5024 contacts →

Exact match

“Founded in 1996, Wingo is a fundraising and design consulting firm for social, cultural and environmental change.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4Exact matchNew York, NY, United StatesHQ recorded Sep 20, 20261-1014 contacts →

Exact match

“Whether you are just starting out or want to grow and sustain your development operation, we are here to help.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5Exact matchNew York, NY, United StatesHQ recorded Sep 20, 202611-5012 contacts →

Exact match

“Since 1986 Perry Davis Associates, Inc (PDA) has been providing outstanding services to non-profits both within the US and internationally.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6Exact matchNew York, NY, United StatesHQ recorded Sep 20, 20261-1011 contacts →

Exact match

“Our mission is simple.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7Exact matchNew York, NY, United StatesHQ recorded Sep 20, 202611-5010 contacts →

Exact match

“With over 50 years of collective professional fundraising experience, we enable social impact leaders to secure the resources they need to implement their vision and achieve…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8Exact matchNew York, United StatesHQ recorded Sep 20, 20261-108 contacts →

Exact match

“We are PurposeTech.ai, a social impact startup dedicated to giving back to nonprofits their most valuable resource-time.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9Exact matchNew York, NY, United StatesHQ recorded Sep 20, 20261-107 contacts →

Exact match

“Heller Fundraising Group builds abundance for nonprofit clients through customized consulting and training for successful capital campaigns, insightful feasibility studies, and…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10Exact matchNew York, NY, United StatesHQ recorded Sep 20, 202611-506 contacts →

Exact match

“DS Consulting Group, LLC (DSCG) is a boutique fundraising and event planning firm.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11Exact matchNew York, NY, United StatesHQ recorded Sep 20, 20261-106 contacts →

Exact match

“We provide nonprofits, and only nonprofits, with integrated communications and fundraising services.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12Exact matchNew York, NY, United StatesHQ recorded Sep 20, 20261-105 contacts →

Exact match

“IDC Giving Group, established in 2019 and based in the vibrant cities of Brooklyn, New York, and Boston, Massachusetts, specializes in transforming fundraising visions into…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13Exact matchNew York, NY, United StatesHQ recorded Sep 20, 20261-104 contacts →

Exact match

“Fundraising | Coaching | Strategy | Planning | Board Solutions for Nonprofits We advance philanthropy to further your mission At 360 Philanthropy Group, we understand your…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14Exact matchNew York, NY, United StatesHQ recorded Sep 20, 20261-104 contacts →

Exact match

“HUNT provides fundraising expertise to non-profits, institutions, foundations, and companies that grow the impact of philanthropy worldwide.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15Exact matchNew York, NY, United StatesHQ recorded Sep 20, 20261-104 contacts →

Exact match

“NPSCG is a consulting agency helping nonprofit organizations to reach their full potential.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16Exact matchNew York, NY, United StatesHQ recorded Sep 20, 20261-103 contacts →

Exact match

“The Paragon Strategic Insights’ (PSI) team has over 50 years of experience, driving strategic direction to fulfill organizations’ missions.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17Exact matchNew York, NY, United StatesHQ recorded Sep 20, 202611-503 contacts →

Exact match

“NPI Strategies is a leading nonprofit consulting firm with over 30 years of experience supporting healthcare, social service, education, and arts organizations.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18Exact matchNew York, NY, United StatesHQ recorded Sep 20, 20261-103 contacts →

Exact match

“J.C.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19Exact matchNew York, NY, United StatesHQ recorded Sep 20, 20261-103 contacts →

Exact match

“1:1 provides strategic and business planning, grantmaking and advising, research, evaluation, facilitation, and coaching services for philanthropies and nonprofits.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20Exact matchNew York, NY, United StatesHQ recorded Sep 20, 202611-502 contacts →

Exact match

“Manhattan Grant Writers is a full-service grant writing agency based in New York City, serving clients in various industries.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21Exact matchNew York, NY, United StatesHQ recorded Sep 20, 202611-502 contacts →

Exact match

“We seek to positively change the way nonprofit executives and their boards think about, plan, and grow their fundraising programs.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22Exact matchNew York, United StatesHQ recorded Sep 20, 20261-101 contacts →

Exact match

“Book a sales call today.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23Exact matchNew York, NY, United StatesHQ recorded Sep 20, 20261-101 contacts →

Exact match

“I launched my NYC-based fundraising consulting practice in 2016 to provide nonprofit organizations of all sizes with strategic fundraising planning and implementation…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24Exact matchNew York, NY, United StatesHQ recorded Sep 20, 20261-101 contacts →

Exact match

“Join forces with a strategic operations partner to transform the day-to-day challenges of your nonprofit, startup, or mission-driven business into opportunities for growth and…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25Exact matchNew York, NY, United StatesHQ recorded Sep 20, 20261-101 contacts →

Exact match

“Harvest is a bespoke consulting firm dedicated to fostering transformational social change through fundraising and development.”

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

Showing 25 of 66 nonprofit grant writing services based in New York, United States

See the full list, filter by size, metro and specialty, and access 627 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Nonprofit grant writing services based in New York, United States at a glance

As of Sep 20, 2026
65.6%Verified-email coverage
14.5Average contacts per company
1-10Median size (employees)
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
54
11-50
11
501-1,000
1

Email recency for this list is measured across the whole United States list rather than for New York, so it is reported there. Company counts and contact totals on this page are exact for New York, over 66 companies.

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.
What qualifies
Company records associated with New York, United States 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 627 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.

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 based in New York, United States?

RevenueBase identified 66 company matches for nonprofit grant writing services associated with New York, United States 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 city in the United States has the most nonprofit grant writing services?

New York leads the United States 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 627 professional contacts with verified work emails tracked across these 66 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.

Ready to reach these companies? Verified emails and direct dials for all 66 nonprofit grant writing services based in New York, United States. Start with a free account, no credit card.

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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.