Company lists · Data verified August 2026

Top 25 Change management consulting firms based in Belgium

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 1,093 companies tracked

There are 1,093 change management consulting firms headquartered in Belgium (RevenueBase, August 2026). RevenueBase tracks 8,976 professional contacts across them, including 3,037 with verified work emails and 319 with mobile numbers. Brussels is the largest hub.

This list covers change management consulting firms headquartered in Belgium, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

1,093Companies

8,976Contacts tracked

3,037Verified emails

319Mobile numbers

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The 25 largest change management consulting firms based in Belgium

Ranked by team size

Top 25 of 1,093 change management consulting firms based in Belgium, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Delaware Belux	Kortrijk	1,001-5,000	1,743	1,217
2	AE	Heverlee	201-500	446	289
3	Randstad Risesmart Belgium	Jambes	51-200	234	114
4	Hazelheartwood	Kortenberg	51-200	90	65
5	Innocom	Beerzel	51-200	80	27
6	Quintessence	n/a	51-200	80	12
7	Kessels & Smit, The Learning Company	Gent	51-200	72	55
8	Nova Reperta	n/a	11-50	68	44
9	NGAGE	St-Lambrechts-Woluwe Brussels	51-200	65	29
10	Phinest	Watermael-Boitsfort Brussels	51-200	63	47
11	Tactical Advisory Group	Leuven	51-200	54	42
12	Unicorn Group	Leuven	11-50	54	38
13	Idalko	Antwerpen	51-200	54	22
14	Wemanity Reply Belgium	St-Lambrechts-Woluwe Brussels	51-200	51	26
15	XPLUS	Mechelen	51-200	50	29
16	Wortell Belgium	Gent	51-200	49	31
17	Waeg, An IBM Company	Bruxelles	51-200	40	5
18	Stanwick Management Consultants	Lochristi	11-50	37	27
19	Upwider Consulting	Brussel	51-200	35	6
20	ICF Mostra	n/a	1,001-5,000	34	4
21	ARCH	Zaventem Brussels	11-50	33	6
22	Bridgers	n/a	11-50	31	14
23	Ahead Digital	Bruxelles	51-200	27	20
24	Asfalys	Brussels	11-50	27	16
25	The House Of Change	Duffel	11-50	26	12

Showing 25 of 1,093 change management consulting firms based in Belgium

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Change management consulting firms based in Belgium at a glance

As of Aug 28, 2026

1-10Median size (employees)

BrusselsLargest hub · 91 HQs

319Contacts with mobile numbers

9Emails re-verified in last 30 days

Companies by employee count

1-10

913

11-50

108

51-200

201-500

501-1,000

1,001-5,000

Change management consulting firms by metro

Metro	Companies
Change management consulting firms in Brussels	91
Change management consulting firms in Bruxelles	30
Change management consulting firms in Liege	27
Change management consulting firms in Gent	22
Change management consulting firms in Antwerpen	21
Change management consulting firms in Leuven	20
Change management consulting firms in Antwerp	20

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “change management consulting firms”, with match quality audited by blind human judging, and headquartered in Belgium.
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: Contact records re-verify on a rolling cadence; 9 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many change management consulting firms are there based in Belgium?

There are 1,093 change management consulting firms headquartered in Belgium as of August 2026 (RevenueBase).

What is the largest company on this list?

Delaware Belux, headquartered in Kortrijk, tops this list with the largest team on record.

Which city has the most change management consulting firms?

Brussels leads with 91 headquartered companies, followed by Bruxelles (30) and Liege (27).

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 3,037 verified decision-maker contacts tracked across these 1,093 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.