Company lists · Data refreshed September 2026
Top 25 Nonprofit consulting firms based in the Netherlands
RevenueBase identified 128 nonprofit consulting firms headquartered in the Netherlands as of September 2026 and tracks 770 professional contacts across them, including 245 with verified work emails and 56 with mobile numbers. Amsterdam is the largest hub.
This list covers nonprofit consulting firms headquartered in the Netherlands, 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, how directly it supports the match, and when it was last checked. Data refreshed September 5, 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.
The 25 largest nonprofit consulting firms based in the Netherlands
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 195 | ||||
“De Kleine Consultant maakt Kleine Consultants en haar klanten groot door strategisch advies te bieden daar waar het de meeste waarde toevoegt.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 2 | 66 | ||||
“We are the first branch in the Netherlands of the world's largest university based consultancy, and the world's leading provider of consulting services for non-profits, social…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 3 | 44 | ||||
“E&M Consultants is opgericht door Frank Engberts en Gert Meuleman.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 4 | 31 | ||||
“Public Partners is een zelfstandig adviesbureau.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 5 | 29 | ||||
“WITh is een uniek accountantskantoor dat zich uitsluitend richt op de non-profitsector.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 6 | 28 | ||||
“S+DL helpt ondernemers en non-profits vooruit.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 7 | Nedworc FoundationIndirect evidence | 23 | |||
“The Nedworc Foundation (NWF) is an organisation for independent consultants working in international development cooperation.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 8 | 21 | ||||
“Wij zijn Vinario.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 9 | 17 | ||||
“We zijn een bijzonder adviesbureau en dat merk je.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 10 | 14 | ||||
“Goed geschud is een organisatieadviesbureau, gespecialiseerd in taaie en strategische vraagstukken in het maatschappelijk domein.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 11 | 13 | ||||
“Data Inside is ontstaan uit de behoefte om alle kennis die we vanuit onze afzonderlijke bedrijven Mailtraffic, Christal (Donateursbehouden) opdeden, samen te brengen.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 12 | HVFCIndirect evidence | 12 | |||
“HVFC is a consultancy that works with impact driven organisations to help them diversify funding, increase impact, and build capacity.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 13 | 11 | ||||
“We are experts in strategy building.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 14 | 10 | ||||
“Orgon consults all kind of profit and non-profit companies in accounting, taxes, control, management structuring, internal and external auditting, human resource management…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 15 | Nassau FundraisingIndirect evidence | 6 | |||
“Laat onze ervaring voor jou werken Of je voor een grote non-profit werkt of een kleine, of je ervaren bent of niet: wij helpen je om donateurgerichte fondsenwerving écht te laten…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 16 | 5 | ||||
“We believe in tailor made solutions and approaches.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 17 | Mijn ZonneveldIndirect evidence | 4 | |||
“Wat zit er in het DNA van Mijn Zonneveld?” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 18 | Strategy Unit B.VIndirect evidence | 4 | |||
“The world is changing fast.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 19 | Sefa Social Consulting GroupPartial evidence | 4 | |||
“The Sefa Social Consulting Group (SSCG) offers pro-bono, high-quality consulting services to small enterprises and non-profit organizations in the Netherlands.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 20 | Teamacademy BVIndirect evidence | 3 | |||
“Wij zijn een zeer creatief en innovatief organisatieadviesbureau, werkzaam voor de gehele publieke sector, daar waar bestuurlijke ambitie en ambtelijke realiteit elkaar ontmoeten.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 21 | Judith In CompanyPartial evidence | 2 | |||
“Management consulting firm specialised in helping management at both profit and non-profit companies to solve complex OD and HRM issues that affect their business.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 22 | 2 | ||||
“Maatschappelijke organisaties, daar lopen wij warm voor.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 23 | Reinier FundraisingIndirect evidence | 2 | |||
“Hello.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 24 | Juist AdviesIndirect evidence | 1 | |||
“Juist helpt maatschappelijke organisaties om sterker en effectiever te worden.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 25 | StrategiesmidIndirect evidence | 1 | |||
“Strategische planvorming en uitvoering voor bedrijven en organisaties.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
Showing 25 of 128 nonprofit consulting firms based in the Netherlands
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Nonprofit consulting firms based in the Netherlands at a glance
As of Sep 5, 2026Companies by employee count
Verified emails by last verification
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 firms, so some rows will be adjacent to the category rather than pure plays. The description and evidence 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 SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in the Netherlands whose own description of what they do matches “nonprofit consulting firms”. Matching reads each company's description, not its industry code or its name.
- What we exclude
- Companies whose own description does not clearly place them among nonprofit consulting firms, and records with no verified work email. Companies headquartered outside Netherlands 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 an evidence 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, 245 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 5, 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.
Frequently asked
How many nonprofit consulting firms are there based in the Netherlands?
RevenueBase identified 128 nonprofit consulting firms headquartered in the Netherlands 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?
DE Kleine Consultant, headquartered in Leiden, tops this list with the largest team on record.
Which city has the most nonprofit consulting firms?
Amsterdam leads with 15 headquartered companies, followed by Rotterdam (6) and Den Haag (4).
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 245 verified decision-maker contacts tracked across these 128 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 5, 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.
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