Company lists · Data verified August 2026

Top 25 Cybersecurity risk consulting firms based in Belgium

There are 231 cybersecurity risk consulting firms headquartered in Belgium (RevenueBase, August 2026). RevenueBase tracks 7,330 professional contacts across them, including 2,702 with verified work emails and 318 with mobile numbers. Brussels is the largest hub.

This list covers cybersecurity risk 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.

231Companies
7,330Contacts tracked
2,702Verified emails
318Mobile numbers
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The 25 largest cybersecurity risk consulting firms based in Belgium

Ranked by team size
Top 25 of 231 cybersecurity risk 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.
#CompanyHQEmployeesContactsVerified emails
1Orange Cyberdefensen/a1,001-5,0003,7062,083
2Forward GlobalBruxelles201-50028163
3Approach CyberMechelen51-2009348
4SpotitMerelbeke51-2008965
5PhishedLeuven11-507655
6Xalient BeneluxAsse201-5007453
7ToreonAntwerpen51-2006743
8ACENKontich51-2005030
9SecwiseLeuven11-502919
10SertalinkBelsele11-502713
11Fichet Security Solutions Belgium & The NetherlandsZaventem51-2002511
12Upright SecurityKontich11-502113
13Resilient Securityn/a11-502014
14Thales Cyber Solutions Belgiumn/a11-50201
15The Security FactoryNiel11-501912
16ActwiseKontich11-501810
17RedsystemFroyennes11-50187
18RST ConsultancyTurnhout11-50179
19MCGOttignies-Louvain-La-Neuve1-10168
20Cs&a InternationalMechelen11-50118
21Ataya And Partners - HTP GroupIxelles11-50111
22Soterics, Your End-To-End Partner In OT SecurityKontich11-50104
23Curiosn/a1-10104
24Outpost24 Benelux Ex-SweepaticLeuven11-5084
25Brand Solutions EuropeSint-Niklaas1-1084

Showing 25 of 231 cybersecurity risk consulting firms based in Belgium

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Cybersecurity risk consulting firms based in Belgium at a glance

As of Aug 28, 2026
1-10Median size (employees)
BrusselsLargest hub · 23 HQs
318Contacts with mobile numbers
4Emails re-verified in last 30 days

Companies by employee count

1-10
176
11-50
39
51-200
7
201-500
4
1,001-5,000
3

Cybersecurity risk consulting firms by metro

MetroCompanies
Cybersecurity risk consulting firms in Brussels23
Cybersecurity risk consulting firms in Antwerp15
Cybersecurity risk consulting firms in Antwerpen8
Cybersecurity risk consulting firms in Kontich7
Cybersecurity risk consulting firms in Turnhout5
Cybersecurity risk consulting firms in Mechelen5
Cybersecurity risk consulting firms in Leuven4

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 “cybersecurity risk 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; 4 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 cybersecurity risk consulting firms are there based in Belgium?

There are 231 cybersecurity risk consulting firms headquartered in Belgium as of August 2026 (RevenueBase).

What is the largest company on this list?

Orange Cyberdefense, headquartered in Belgium, tops this list with the largest team on record.

Which city has the most cybersecurity risk consulting firms?

Brussels leads with 23 headquartered companies, followed by Antwerp (15) and Antwerpen (8).

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 2,702 verified decision-maker contacts tracked across these 231 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.