Company lists · Data refreshed September 2026

Top 25 Impact consulting firms based in Belgium

Name: Impact consulting firms based in Belgium
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 30, 2026 1,356 companies tracked

RevenueBase identified 1,356 company matches for impact consulting firms associated with Belgium as of September 2026 and tracks 13,922 professional contacts across them, including 4,257 with verified work emails and 473 with mobile numbers. Brussels is the largest hub.

This list covers company matches for impact consulting firms associated with Belgium, 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 30, 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 30, 2026 How this list was built

1,356Companies

13,922Contacts tracked

4,257Verified emails

473Mobile numbers

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The 25 largest impact consulting firms based in Belgium

Ranked by team size

Top 25 of 1,356 company matches for impact consulting firms based in Belgium, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 30, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Arthur D. Little	Exact match	Brussels, BelgiumHQ recorded Sep 30, 2026	1,001-5,000	2,186 contacts →
	Exact match “As people, organizations and societies embrace change at pace, its leaders must anticipate, innovate and transform ever faster.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
2	ADE	Exact match	Louvain-la-neuve, BelgiumHQ recorded Sep 30, 2026	n/a	564 contacts →
	Exact match “ADE is a consultancy providing independent advice for contributing to improve public decision-making.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
3	Oxera Consulting LLP	Exact match	Brussels, BelgiumHQ recorded Sep 30, 2026	201-500	362 contacts →
	Exact match “We advise companies, policymakers, regulators and lawyers on any economic issue connected with competition, finance or regulation.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
4	Avertim	Exact match	Brussels, BelgiumHQ recorded Sep 30, 2026	201-500	274 contacts →
	Exact match “Most organizations are facing major transformation challenges due to market, technological, social or political factors.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
5	Gopa Pace	Exact match	Brussels, BelgiumHQ recorded Sep 30, 2026	51-200	242 contacts →
	Exact match “GOPA Partners in Action for Change and Engagement (PACE), formerly B&S Europe, is an integral part of GOPA, Europe’s leading professional services provider combining engineering…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
6	ORBID	Exact match	Merelbeke, BelgiumHQ recorded Sep 30, 2026	51-200	183 contacts →
	Exact match “With over 25 years of experience and a team of 185 experts, we support more than 900 businesses in their digital transformation, securing their environments and developing their…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
7	Isalys Horizons	Exact match	Uccle, BelgiumHQ recorded Sep 30, 2026	201-500	152 contacts →
	Exact match “ISALYS HORIZONS, filiale du Groupe ISALYS, accompagne les industries stratégiques telles que le transport, la défense, l'énergie, la santé et les technologies numériques.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
8	Möbius Business Redesign	Exact match	Sint-martens-latem, BelgiumHQ recorded Sep 30, 2026	51-200	140 contacts →
	Exact match “Möbius supports organisations by designing and implementing the best business solutions at their strategic moments.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
9	AESA	Exact match	Brussels, BelgiumHQ recorded Sep 30, 2026	51-200	128 contacts →
	Exact match “AESA is a leading European management consultancy, providing technical assistance and project management services in Low and Middle income countries as well as in Transition…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
10	ENCON	Exact match	Bilzen, BelgiumHQ recorded Sep 30, 2026	51-200	104 contacts →
	Exact match “Encon supports businesses as an independent agency with creative and innovative solutions in their transition to become more sustainable.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
11	Fipra Public Affairs	Exact match	Brussels, BelgiumHQ recorded Sep 30, 2026	51-200	102 contacts →
	Exact match “We’re a team of solution finders, consensus builders, policy wonks, political navigators, debate shapers and policy movers.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
12	Idea Consult	Exact match	Brussels, BelgiumHQ recorded Sep 30, 2026	11-50	100 contacts →
	Exact match “IDEA aims to help clients tackle the societal challenges of today and tomorrow by delivering applicable and sustainable advice.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
13	Catalay	Exact match	Antwerp, BelgiumHQ recorded Sep 30, 2026	51-200	96 contacts →
	Exact match “Catalay is on a mission to build a highly skilled and loyal community of engineering consultants so we can partner up with our clients to accelerate their engineering transitions.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
14	Insites Consulting	Exact match	Ghent, BelgiumHQ recorded Sep 30, 2026	501-1,000	93 contacts →
	Exact match “On March 13, 2023, InSites Consulting rebranded to Human8, the new human-driven consultancy that connects brands with people and culture to drive positive change.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
15	Hazelheartwood	Exact match	Mechelen, BelgiumHQ recorded Sep 30, 2026	51-200	90 contacts →
	Exact match “HazelHeartwood guides human organizations through digital transformation.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
16	Trilations	Exact match	Kontich, BelgiumHQ recorded Sep 30, 2026	51-200	75 contacts →
	Exact match “Trilations provides business insights and works with you every day to define and implement winning strategies.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
17	Methis Consulting	Exact match	Antwerp, BelgiumHQ recorded Sep 30, 2026	51-200	74 contacts →
	Exact match “Who are we?” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
18	Haystack Consulting	Exact match	Heverlee, BelgiumHQ recorded Sep 30, 2026	51-200	73 contacts →
	Exact match “Haystack Consulting, founded in 1974, helps global brands make better and smarter decisions to drive business growth.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
19	Dynafin Consulting	Exact match	Brussels, BelgiumHQ recorded Sep 30, 2026	51-200	71 contacts →
	Exact match “At DynaFin, we believe the financial sector must be safe, transparent, and have a positive impact on society.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
20	Junto Consulting	Exact match	Mechelen, BelgiumHQ recorded Sep 30, 2026	51-200	69 contacts →
	Exact match “Junto is een dynamisch en innovatief bedrijf dat young potentials met de juiste begeleiding en coaching boven zichzelf laat uitstijgen.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
21	Nova Reperta	Exact match	Brussels, BelgiumHQ recorded Sep 30, 2026	11-50	68 contacts →
	Exact match “Nova Reperta helps your company to set a clear course for success and cultivate the strategies, processes, tools and mindset you need.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
22	Square Management Belgium	Exact match	Schaerbeek, BelgiumHQ recorded Sep 30, 2026	501-1,000	66 contacts →
	Exact match “Since 2009, Square Management Belgium is a partner of choice for financial institutions, especially banks and insurance companies, in their transformation projects.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
23	NGAGE	Exact match	St-lambrechts-woluwe, BelgiumHQ recorded Sep 30, 2026	51-200	66 contacts →
	Exact match “ngage is a business advisory boutique that combines strategic thinking, multidisciplinary expertise, and genuine human connection to deliver transformations that last.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
24	Phinest	Exact match	Watermael-boitsfort, BelgiumHQ recorded Sep 30, 2026	51-200	63 contacts →
	Exact match “Phinest is a Belgian Management Consulting firm providing tailor-made services to transform companies.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
25	HICT	Exact match	Ghent, BelgiumHQ recorded Sep 30, 2026	11-50	58 contacts →
	Exact match “Hict believes that through further strategic reflection, re-engineering, automation, innovation and integration of healthcare resources and stakeholders, we can assist to raise…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “impact consulting firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 1,356 impact consulting firms based in Belgium

See the full list, filter by size, metro and specialty, and access 4,257 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Impact consulting firms based in Belgium at a glance

As of Sep 30, 2026

30.6%Verified-email coverage

3.4%Mobile-number coverage

10.3Average contacts per company

1-10Median size (employees)

16.4%Largest-city concentration · Brussels

Sep 30, 2026Page data refreshed

Companies by employee count

1-10

1,099

11-50

180

51-200

201-500

501-1,000

1,001-5,000

10001+

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 32.0d

1,2440–30

2,62131–60

11261–90

1490–180

24180+

Company record updated

Median 85.0d

00–30

3,29431–60

3,94861–90

5,52390–180

608180+

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 Belgium whose business descriptions match “impact consulting 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 4,257 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 30, 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.

Impact consulting firms by metro

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 “impact consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many impact consulting firms are there based in Belgium?

RevenueBase identified 1,356 company matches for impact consulting firms associated with Belgium 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?

Arthur D. Little tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most impact consulting firms?

Brussels leads with 223 company records, followed by Antwerp (66) and Ghent (46).

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 4,257 professional contacts with verified work emails tracked across these 1,356 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 30, 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.