Company lists · Data refreshed September 2026

Top 19 Nonprofit systems integration firms based in New York, United States

RevenueBase identified 39 company matches for nonprofit systems integration firms associated with New York, United States as of September 2026 and tracks 239 professional contacts across them, including 109 with verified work emails. Across the United States, New York is the largest hub for this category.

This list covers company matches for nonprofit systems integration firms 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 29, 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 29, 2026 How this list was built
39Companies
239Contacts tracked
109Verified emails
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The 19 largest nonprofit systems integration firms based in New York, United States

Ranked by team size
Top 19 of 39 company matches for nonprofit systems integration firms based in New York, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 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 29, 202651-20072 contacts →

Exact match

“Kiwi Partners delivers exceptional Accounting, Consulting Services, and HR services to the nonprofit community.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2Exact matchNew York, NY, United StatesHQ recorded Sep 29, 2026n/a33 contacts →

Exact match

“National Executive Services Corps (NESC) is a nonprofit professional services firm offering high-quality and affordable management consulting, executive search, and financial…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3Exact matchNew York, NY, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
4Exact matchNew York, NY, United StatesHQ recorded Sep 29, 202611-5022 contacts →

Exact match

“Our mission is to deliver tailored IT services to nonprofit and social impact organizations, leveraging technologies that optimize efficiency, enhance collaboration, and fortify…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5Exact matchNew York, NY, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
6Exact matchNew York, NY, United StatesHQ recorded Sep 29, 202611-507 contacts →

Exact match

“ThunderBee Virtual Assistant OPC (TBVA) is a remote operations integration partner.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7Exact matchNew York, United StatesHQ recorded Sep 29, 20261-105 contacts →

Exact match

“Pledge Software's vision is to make it easier for nonprofits and communities to get the scarce resources they need.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8Exact matchNew York, NY, United StatesHQ recorded Sep 29, 202611-504 contacts →

Exact match

“GetAccounting is your full-lifecycle accounting team and strategic back-office systems integration partner, built to deliver immediate, measurable impact.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9Exact matchNew York, NY, United StatesHQ recorded Sep 29, 202651-2004 contacts →

Exact match

“Collegium is a system of interdependent professional service firms.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10Exact matchNew York, NY, United StatesHQ recorded Sep 29, 202611-504 contacts →

Exact match

“Nonprofit Solutions Network (NSN) is an IT consulting and managed services firm that specializes in supporting NYC metro area nonprofits and social enterprises since 1998.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11Exact matchNew York, NY, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
12Exact matchNew York, NY, United StatesHQ recorded Sep 29, 202651-2003 contacts →

Exact match

“The Summit Group has a twenty year history of success in project management and systems implementation, and has considerable breadth and depth of talent.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13Exact matchNew York, NY, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
14Exact matchNew York, NY, United StatesHQ recorded Sep 29, 20261-102 contacts →

Exact match

“VISION: Inheritance Consulting envisions a world in which nonprofits have the freedom & flexibility to be in a constant state of discovery, re-evaluation, re-invention and…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15Exact matchNew York, NY, United StatesHQ recorded Sep 29, 20261-102 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16Exact matchNew York, NY, United StatesHQ recorded Sep 29, 20261-101 contacts →

Exact match

“Solve IT Simply is passionate about making nonprofit technology easy.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17Exact matchNew York, United StatesHQ recorded Sep 29, 20261-101 contacts →

Exact match

“For past 20 years Adriatic Solutions Corp.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18Exact matchNew York, NY, United StatesHQ recorded Sep 29, 20261-101 contacts →

Exact match

“Empowering mission-driven organizations with strategic consulting, smart automation, and constituent-centric fundraising tools.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19Exact matchNew York, NY, United StatesHQ recorded Sep 29, 20261-101 contacts →

Exact match

“ILE Strategies, a certified NYC MBE, was founded in 2016 to serve nonprofit organizations, public sector agencies mission-based small businesses committed to building their…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase

Showing 19 of 39 nonprofit systems integration firms based in New York, United States

See the full list, filter by size, metro and specialty, and access 109 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Nonprofit systems integration firms based in New York, United States at a glance

As of Sep 29, 2026
45.6%Verified-email coverage
6.1Average contacts per company
1-10Median size (employees)
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
24
11-50
11
51-200
4

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 39 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 systems integration firms” 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 109 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 29, 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 systems integration firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many nonprofit systems integration firms are there based in New York, United States?

RevenueBase identified 39 company matches for nonprofit systems integration firms 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?

Kiwi Partners 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 systems integration firms?

New York leads the United States with 45 company records, followed by Washington (35) and Chicago (31).

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 109 professional contacts with verified work emails tracked across these 39 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 29, 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.