Company lists · Data refreshed November 2026

Top 25 Nonprofit organizational development consultants worldwide

RevenueBase identified 59,803 company matches for nonprofit organizational development consultants worldwide as of November 2026 and tracks 300,897 professional contacts across them, including 66,225 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for nonprofit organizational development consultants 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 November 6, 2026. Country and city lists for nonprofit organizational development consultants 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 Nov 6, 2026 How this list was built
59,803Companies
300,897Contacts tracked
66,225Verified emails
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The 25 largest nonprofit organizational development consultants worldwide

Ranked by team size
Top 25 of 59,803 company matches for nonprofit organizational development consultants worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchChicago, IL, United StatesHQ recorded Nov 6, 2026n/a5,345 contacts →

Exact match

“We help businesses and nonprofits grow, communicate, and succeed, professionally and affordably.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchSydney, AustraliaHQ recorded Nov 6, 202610001+2,407 contacts →

Exact match

“180 Degrees Consulting (180DC) is the world's largest youth led consultancy for non-profits, governments and social-conscious organisations, with over 200 branches in 38+…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchNew Delhi, IndiaHQ recorded Nov 6, 2026501-1,0001,452 contacts →

Exact match

“Headquartered in India with six international offices in Cambodia, Ethiopia, Kenya, the Philippines, Germany and the United Kingdom, IPE Global Group offers a range of integrated…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchMilan, ItalyHQ recorded Nov 6, 20261,001-5,0001,263 contacts →

Exact match

“Intellera Consulting is a consulting company born from the buyout management of the PwC Public administration and Healthcare branch.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Nov 6, 2026201-5001,220 contacts →

Exact match

“Blackmont Consulting provides 100% free advisory services to NGO´s, NPO´s and start-ups.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchNew York, NY, United StatesHQ recorded Nov 6, 2026501-1,000894 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 · Nov 6, 2026 · View company records in RevenueBase
7Exact matchFranceHQ recorded Nov 6, 2026n/a877 contacts →

Exact match

“M&C Consultants est une entreprise spécialisée dans le champ du Conseil en gestion et développement de l'entreprise.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchPhiladelphia, PA, United StatesHQ recorded Nov 6, 2026501-1,000837 contacts →

Exact match

“THE NONPROFIT ACCOUNTING SPECIALISTS.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchLos Angeles, CA, United StatesHQ recorded Nov 6, 202610001+831 contacts →

Exact match

“Ultimate Minds is a professional consulting and marketing firm dedicated to empowering businesses, nonprofits, and startups with smart, affordable, and results-driven solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchNeuilly Sur Seine, FranceHQ recorded Nov 6, 2026501-1,000707 contacts →

Exact match

“Square Management est un cabinet de conseil spécialisé en stratégie et organisation qui accompagne ses clients dans l’anticipation, la conception et la réalisation de leurs…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchCopenhagen, DenmarkHQ recorded Nov 6, 2026201-500684 contacts →

Exact match

“NIRAS International Development Consulting is one of Europe's largest development consulting firms.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchLichfield, United KingdomHQ recorded Nov 6, 2026201-500625 contacts →

Exact match

“Since 2003, we’ve been solving planning and development problems for our clients successfully.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchBad Homburg Vor Der Hohe, GermanyHQ recorded Nov 6, 2026n/a620 contacts →

Exact match

“GOPA Worldwide Consultants merged to establish GOPA Pro on 31 August 2026.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSudbury, MA, United StatesHQ recorded Nov 6, 2026201-500570 contacts →

Exact match

“For 40 years, Advocates for Human Potential, Inc.(AHP) has focused our people, passion, and expertise on creating practical solutions to improve health and human services systems…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchCebu City, PhilippinesHQ recorded Nov 6, 2026501-1,000551 contacts →

Exact match

“The Ramon Aboitiz Foundation (RAFI) is a non-stock, non-profit organization (SEC Registration 31083) established in 1966 by Don Ramon Aboitiz.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchBoston, United StatesHQ recorded Nov 6, 202651-200546 contacts →

Exact match

“At FSG, we are a global nonprofit consulting firm committed to advancing equitable systems change.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchCologne, GermanyHQ recorded Nov 6, 2026501-1,000541 contacts →

Exact match

“We are a progress company – for people & organisations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchIthaca, NY, United StatesHQ recorded Nov 6, 2026201-500523 contacts →

Exact match

“The Outreach Team is a national consulting firm working to make the world a better place.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchEnnevelin, FranceHQ recorded Nov 6, 2026501-1,000518 contacts →

Exact match

“La vision du groupe norsys : développer une performance globale de l’entreprise.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchPlano, TX, United StatesHQ recorded Nov 6, 2026201-500514 contacts →

Exact match

“RKD Group is the trusted growth architect for nonprofits.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchParis, FranceHQ recorded Nov 6, 202651-200510 contacts →

Exact match

“Créé en 1975, GVA est composé de 80 personnes, pour près de 10 millions de chiffre d’affaires.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchRome, NY, United StatesHQ recorded Nov 6, 2026201-500506 contacts →

Exact match

“For more than 30 years, NYSTEC has provided independent advisory services to our government partners.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchQormi Qormi, MaltaHQ recorded Nov 6, 2026n/a480 contacts →

Exact match

“DB supports organisations build greater power, passion and performance by assisting them identify, set and implement the necessary dimension and bearing required to reach their…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchBoston, MA, United StatesHQ recorded Nov 6, 2026201-500479 contacts →

Exact match

“The Bridgespan Group is a global nonprofit that strives to make the world more equitable and just.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchUtrecht, NetherlandsHQ recorded Nov 6, 2026501-1,000412 contacts →

Exact match

“Als verantwoord marktleider zetten we vooruitgang in beweging.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 59,803 nonprofit organizational development consultants worldwide

See the full list, filter by size, metro and specialty, and access 66,225 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Nonprofit organizational development consultants worldwide at a glance

As of Nov 6, 2026
22.0%Verified-email coverage
5.0Average contacts per company
1-10Median size (employees)
1.6%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
50,260
11-50
7,815
51-200
1,175
201-500
205
501-1,000
60
1,001-5,000
35
5,001-10,000
8
10001+
31

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 organizational development consultants are linked below.
What qualifies
Company records worldwide whose business descriptions match “nonprofit organizational development consultants” 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 66,225 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 November 6, 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 organizational development consultants by location

270 lists · largest first

Every Nonprofit organizational development consultants 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 organizational development consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many nonprofit organizational development consultants are there worldwide?

RevenueBase identified 59,803 company matches for nonprofit organizational development consultants worldwide as of November 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?

Bank Of The West tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most nonprofit organizational development consultants?

The United States leads with 17,794 companies, followed by the United Kingdom (2,731) and Brazil (2,533). Every nonprofit organizational development consultants list by country and city is linked on this page.

Which city has the most nonprofit organizational development consultants?

London leads with 940 company records, followed by New York (764) and Sao Paulo (694).

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 66,225 professional contacts with verified work emails tracked across these 59,803 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 November 6, 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.