Company lists · Data refreshed September 2026
Top 25 Philanthropic consulting firms based in the Netherlands
RevenueBase identified 61 philanthropic consulting firms headquartered in the Netherlands as of September 2026 and tracks 473 professional contacts across them, including 192 with verified work emails and 26 with mobile numbers. Amsterdam is the largest hub.
This list covers philanthropic 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 philanthropic 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 | 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. | |||||
| 3 | 25 | ||||
“Capital Support is een Multi-Family en Charity-Office, welke zijn oorsprong vindt in 1899.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 4 | Lvwb FundraisingIndirect evidence | 22 | |||
“LVWB Fundraising helpt al ruim 20 jaar culturele en maatschappelijke organisaties om hun doelen en ambities te realiseren door goede wervingsplannen te maken en uit te voeren.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 5 | 17 | ||||
“We zijn een bijzonder adviesbureau en dat merk je.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 6 | 14 | ||||
“Bij Firma Twist, hét bureau voor maatschappelijke verandering, weten we hoe verandering werkt.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 7 | 14 | ||||
“AMS Consultancy exists to help purpose driven people do more.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 8 | 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. | |||||
| 9 | 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. | |||||
| 10 | 11 | ||||
Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 11 | 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. | |||||
| 12 | Jazi FoundationPartial evidence | 4 | |||
“Jazi Foundation is dedicated to maximizing the impact of philanthropy.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 13 | 3 | ||||
“In order to catalyze more capital towards urgent global issues, Kosmos Impact works with private investors who want to use their wealth as a force for good.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 14 | The WalnutsIndirect evidence | 2 | |||
“In our dream world, everyone deserves to live a life full of hope, the ability to do what they love, with access to basic services, and to have equal rights and feel safe.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 15 | LNL Investment ConsultingPartial evidence | 2 | |||
“LNL is a professional consulting firm that offers personalized services to investment professionals worldwide.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 16 | Reinier FundraisingIndirect evidence | 2 | |||
“Hello.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 17 | 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. | |||||
| 18 | Vapa ConsultingPartial evidence | 1 | |||
“We support philanthropies and non-profits to align their work with their values to create long-lasting, positive change.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 19 | Philos AdvisorsIndirect evidence | 1 | |||
“Wealthy families, foundations and companies strive to govern their assets effectively, transfer them harmoniously to the next generation and use them for lasting social impact.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 20 | VAN Veersen SponsorstrategieIndirect evidence | 1 | |||
“Na ruim tien jaar als fondsenwerver voor grote musea (Van Gogh Museum en NEMO Science Museum) te hebben gewerkt, voel ik mij als een vis in het water in dit vak.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 21 | VAN NoortwijckIndirect evidence | 1 | |||
“Organisatieadvies, begeleiding en interim management voor verenigingen, stichtingen en sociale ondernemingen.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 22 | WOW Fundraising ConsultancyIndirect evidence | 1 | |||
“WoW Fundraising Consultancy was established by Wonu Owoade to raise awareness and encourage support for initiatives that wish to create positive and transformational social change…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 23 | lifetree.networkIndirect evidence | 1 | |||
“LifeTree provides strategic consultancy, financial management and partnership development to the family- & investment office, social- and sustainable business and two foundations…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 24 | Dkc-De Kuyper ConceptsIndirect evidence | 1 | |||
“De Kuyper Concepts, kortweg DKC, ondersteunt ondernemende families op het vlak van opvolging, family governance en cultuurverandering.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 25 | Peerworks ConsultingIndirect evidence | 1 | |||
“PeerWorks is an international fundraising consultancy that helps nonprofit organisations harness the power of their networks by raising money and awareness through peer-to-peer…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
Showing 25 of 61 philanthropic consulting firms based in the Netherlands
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Philanthropic 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 philanthropic 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 “philanthropic 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 philanthropic 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, 192 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 philanthropic consulting firms are there based in the Netherlands?
RevenueBase identified 61 philanthropic 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 philanthropic consulting firms?
Amsterdam leads with 17 headquartered companies, followed by Amersfoort (2) and Hg (2).
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 192 verified decision-maker contacts tracked across these 61 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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