Company lists · Data verified August 2026

Top 25 Data security consulting firms based in Belgium

Name: Data security 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 185 companies tracked

There are 185 data security consulting firms headquartered in Belgium (RevenueBase, August 2026). RevenueBase tracks 762 professional contacts across them, including 299 with verified work emails and 28 with mobile numbers. Brussels is the largest hub.

This list covers data security 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.

185Companies

762Contacts tracked

299Verified emails

28Mobile numbers

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The 25 largest data security consulting firms based in Belgium

Ranked by team size

Top 25 of 185 data security 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	Xalient Benelux	Asse	201-500	74	53
2	Toreon	Antwerpen	51-200	67	43
3	AXL & Trax	Hasselt	11-50	31	26
4	The Collective Consulting	Lochristi	11-50	28	18
5	Sertalink	Belsele	11-50	27	13
6	Resilient Security	n/a	11-50	20	14
7	Thales Cyber Solutions Belgium	n/a	11-50	20	1
8	Actwise	Kontich	11-50	18	10
9	RST Consultancy	Turnhout	11-50	17	9
10	Cobra-Technology	Erpe-Mere	11-50	12	5
11	Ataya And Partners - HTP Group	Ixelles	11-50	11	1
12	Curios	n/a	1-10	10	4
13	Brand Solutions Europe	Sint-Niklaas	1-10	8	4
14	4net	Mechelen	11-50	7	5
15	Phidac SRL	Louvain-La-Neuve	1-10	6	3
16	Atendo I Secure	Paal-Beringen	1-10	6	2
17	S.A.F.E	Aarschot	1-10	6	1
18	Statevector	Overijse	1-10	5	3
19	Guardis	Hannut	1-10	5	2
20	Cyberminute	n/a	1-10	5	2
21	Safepoint	Zoutleeuw	1-10	4	2
22	Cybervalue	Leuven	1-10	3	2
23	Digisôter	n/a	1-10	3	2
24	Topware Systems	Tienen	1-10	3	1
25	Juve Consulting	Landen	1-10	3	1

Showing 25 of 185 data security consulting firms based in Belgium

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Data security consulting firms based in Belgium at a glance

As of Aug 28, 2026

1-10Median size (employees)

BrusselsLargest hub · 21 HQs

28Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

149

11-50

51-200

201-500

Data security consulting firms by metro

Metro	Companies
Data security consulting firms in Brussels	21
Data security consulting firms in Antwerp	9
Data security consulting firms in Turnhout	6
Data security consulting firms in Gent	4
Data security consulting firms in Ixelles	4
Data security consulting firms in Kraainem	4
Data security consulting firms in Kontich	4

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 “data security 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; 0 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 data security consulting firms are there based in Belgium?

There are 185 data security consulting firms headquartered in Belgium as of August 2026 (RevenueBase).

What is the largest company on this list?

Xalient Benelux, headquartered in Asse, tops this list with the largest team on record.

Which city has the most data security consulting firms?

Brussels leads with 21 headquartered companies, followed by Antwerp (9) and Turnhout (6).

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 299 verified decision-maker contacts tracked across these 185 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.