Company lists · Data refreshed September 2026
Top 25 Nonprofit consulting services based in Philadelphia, United States
RevenueBase identified 122 nonprofit consulting services headquartered in Philadelphia, United States as of September 2026 and tracks 1,462 professional contacts across them, including 678 with verified work emails. New York is the largest hub.
This list covers nonprofit consulting services headquartered in Philadelphia, United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 21, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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.
The 25 largest nonprofit consulting services based in Philadelphia, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 775 contacts → | ||||
Partial evidence “THE NONPROFIT ACCOUNTING SPECIALISTS.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 2 | 83 contacts → | ||||
Strong evidence “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…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 3 | 36 contacts → | ||||
Partial evidence “Equal Measure is a nonprofit professional services firm with more than 40 years of providing actionable insights for organizations invested in advancing social change.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 4 | 30 contacts → | ||||
Indirect evidence “BBD, LLP is a nationally recognized firm of Certified Public Accountants located in Philadelphia, Pennsylvania.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 5 | 17 contacts → | ||||
Partial evidence “Cheshire Law Group exclusively represents nonprofit organizations.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 6 | 17 contacts → | ||||
Strong evidence “Fairmount Ventures, Inc.(Fairmount) is a Philadelphia-based consulting firm serving the nonprofit, education, and public sectors through expert fundraising, strategy, and…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 7 | 15 contacts → | ||||
Strong evidence “We are a technology, organizational development, and management consulting firm that helps nonprofit executive, technology, and operational teams to innovate faster, navigate…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 8 | 11 contacts → | ||||
Indirect evidence “Just Strategies works to support people, communities, and organizations in achieving their personal, organizational, and public policy goals.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 9 | 10 contacts → | ||||
Indirect evidence “Dragonfly Partners serves as a guide for organizations undergoing significant change or organizational challenges.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 10 | 9 contacts → | ||||
Indirect evidence “Bloom customizes rigorous planning processes to meet client needs and delivers high-quality, accessible products to promote purposeful change and social good.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 11 | 8 contacts → | ||||
Partial evidence “Corona Partners is a Philadelphia-based firm that provides real estate consulting, advisory and project management services to a wide-variety of organizations.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 12 | 7 contacts → | ||||
Indirect evidence “J.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 13 | 5 contacts → | ||||
Partial evidence “Conley Law Group LLC is a boutique law firm devoted exclusively to serving nonprofit organizations and philanthropic donors.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 14 | 5 contacts → | ||||
Indirect evidence “Traditional philanthropy is broken.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 15 | 5 contacts → | ||||
Indirect evidence “Rvesta (pronounced ar-VEST-uh), founded in 2021 by Vaughn Ross, offers consultative and advisory services to governmental, quasi-governmental, non-profit, and for-profit…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 16 | 5 contacts → | ||||
Partial evidence “Consulting Accounting Management Group (CAM) is a black-owned professional services consultancy located in the Greater Philadelphia Metropolitan area.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 17 | 4 contacts → | ||||
Strong evidence “Consulting team - Courtney Delaney, Emily Hawkins, Kathy Jacoby, and Karen Wolters Align Partners (Align) offers a variety of consulting services to nonprofits and businesses.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 18 | 4 contacts → | ||||
Indirect evidence “Company Description: Apex Sapiens is a multifaceted company with four entities.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 19 | 4 contacts → | ||||
Partial evidence “TAG's experienced team of consultants provides pro bono consulting and white-glove provider matching to help brands source marketing solutions with ease, efficiency, and…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 20 | 4 contacts → | ||||
Strong evidence “The mission of Samaritan Grants Consulting is to assist established nonprofits, small businesses, and public organizations achieve financial success through strategic fundraising.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 21 | 4 contacts → | ||||
Indirect evidence “Evaluation for Progress.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 22 | 3 contacts → | ||||
Partial evidence “Our vision is to bring clarity, confidence, and peace of mind to our communities’ small business owners and nonprofit leaders.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 23 | 3 contacts → | ||||
Indirect evidence “Drawing on a rich history of partnerships with major philanthropists and corporations, we blend professional expertise, urgency, and a personable approach to foster a…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 24 | 3 contacts → | ||||
Partial evidence “Blue Hill Partners is a boutique management consulting company supporting small businesses in the sustainability and impact sector.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 25 | 3 contacts → | ||||
Strong evidence “Wombat Works provides technology consulting to nonprofits.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: nonprofit consulting services. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names nonprofit consulting services.
- Partial evidence
- Its own public description names part of nonprofit consulting services, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name nonprofit consulting services. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 122 nonprofit consulting services based in Philadelphia, United States
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Nonprofit consulting services based in Philadelphia, United States at a glance
As of Sep 21, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than for Philadelphia, so it is reported there. Company counts and contact totals on this page are exact for Philadelphia, over 122 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among nonprofit consulting services, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Philadelphia, United States whose own description of what they do matches “nonprofit consulting services”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names nonprofit consulting services), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among nonprofit consulting services, and records with no verified work email. Companies headquartered outside Philadelphia are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 678 across the full list. 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 21, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Nonprofit consulting services by metro in the United States
- Nonprofit consulting services in New York428
- Nonprofit consulting services in Washington336
- Nonprofit consulting services in Chicago282
- Nonprofit consulting services in Los Angeles268
- Nonprofit consulting services in Atlanta254
- Nonprofit consulting services in Austin165
- Nonprofit consulting services in Seattle162
- Nonprofit consulting services in Houston153
- Nonprofit consulting services in Dallas139
- Nonprofit consulting services in Denver139
- Nonprofit consulting services in Boston122
- Nonprofit consulting services in Philadelphia122
- Nonprofit consulting services in San Francisco118
- Nonprofit consulting services in Portland115
- Nonprofit consulting services in Phoenix102
- Nonprofit consulting services in Miami100
- Nonprofit consulting services in San Diego100
- Nonprofit consulting services in Minneapolis84
- Nonprofit consulting services in Indianapolis81
- Nonprofit consulting services in Charlotte79
- Nonprofit consulting services in San Antonio65
- Nonprofit consulting services in Arlington62
- Nonprofit consulting services in Tampa62
- Nonprofit consulting services in Raleigh60
- Nonprofit consulting services in Nashville59
- Nonprofit consulting services in Cleveland58
- Nonprofit consulting services in Alexandria57
- Nonprofit consulting services in Orlando57
- Nonprofit consulting services in Las Vegas56
- Nonprofit consulting services in Columbus55
- Nonprofit consulting services in Sacramento55
- Nonprofit consulting services in Richmond53
- Nonprofit consulting services in Kansas City52
- Nonprofit consulting services in Pittsburgh52
- Nonprofit consulting services in Baltimore49
- Nonprofit consulting services in Madison45
- Nonprofit consulting services in Cincinnati44
- Nonprofit consulting services in Detroit42
- Nonprofit consulting services in New Orleans40
- Nonprofit consulting services in Oakland40
- Nonprofit consulting services in Columbia39
- Nonprofit consulting services in Jacksonville39
- Nonprofit consulting services in New York City38
- Nonprofit consulting services in Fort Worth37
- Nonprofit consulting services in St. Louis35
- Nonprofit consulting services in Brooklyn34
- Nonprofit consulting services in Louisville34
- Nonprofit consulting services in Omaha32
- Nonprofit consulting services in Colorado Springs31
- Nonprofit consulting services in Greenville31
- Nonprofit consulting services in Milwaukee31
- Nonprofit consulting services in Rochester31
- Nonprofit consulting services in Grand Rapids30
- Nonprofit consulting services in Berkeley29
- Nonprofit consulting services in Boulder29
- Nonprofit consulting services in Birmingham28
- Nonprofit consulting services in Memphis28
- Nonprofit consulting services in Scottsdale28
- Nonprofit consulting services in Albuquerque27
- Nonprofit consulting services in Wilmington27
- Nonprofit consulting services in Tulsa26
- Nonprofit consulting services in Annapolis25
- Nonprofit consulting services in Durham25
- Nonprofit consulting services in Fort Lauderdale25
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names nonprofit consulting services, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many nonprofit consulting services are there based in Philadelphia, United States?
RevenueBase identified 122 nonprofit consulting services headquartered in Philadelphia, United States as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Your Part-Time Controller, LLC, headquartered in Philadelphia, tops this list with the largest team on record.
Which city has the most nonprofit consulting services?
New York leads with 428 headquartered companies, followed by Washington (336) and Chicago (282).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 678 verified decision-maker contacts tracked across these 122 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 21, 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 Smart Search, 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.
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