Company lists · Data verified August 2026

Top 24 Cybersecurity software companies based in Belgium

Name: Cybersecurity software companies based in Belgium
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 59 companies tracked

There are 59 cybersecurity software companies headquartered in Belgium (RevenueBase, August 2026). RevenueBase tracks 6,175 professional contacts across them, including 2,226 with verified work emails and 247 with mobile numbers. Sint-Niklaas is the largest hub.

This list covers cybersecurity software companies 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.

59Companies

6,175Contacts tracked

2,226Verified emails

247Mobile numbers

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The 24 largest cybersecurity software companies based in Belgium

Ranked by team size

Top 24 of 59 cybersecurity software companies 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	Orange Cyberdefense	n/a	1,001-5,000	3,706	2,083
2	Approach Cyber	Mechelen	51-200	93	48
3	Wibu-Systems	Zaventem	51-200	87	12
4	Osavul	n/a	11-50	27	19
5	Jimber	Oostkamp	11-50	21	13
6	Thales Cyber Solutions Belgium	n/a	11-50	20	1
7	Actwise	Kontich	11-50	18	10
8	MCG	Ottignies-Louvain-La-Neuve	1-10	16	8
9	Curios	n/a	1-10	10	4
10	Brand Solutions Europe	Sint-Niklaas	1-10	8	4
11	Cyberplan	Oostkamp	11-50	6	4
12	Resilix	n/a	1-10	5	3
13	Icteryus	Gentbrugge	1-10	4	2
14	Infosec4you	Bruxelles Bruxelles	11-50	3	2
15	OZOOS	Waterloo	1-10	3	2
16	Threatproof	n/a	11-50	2	2
17	Kemsec	Vilvoorde	1-10	2	2
18	Zerobit BV	Lubbeek	1-10	2	1
19	Layer 9 Networks	Sint-Amandsberg	1-10	2	1
20	Flowz-It Cyberprotection For Smes	n/a	1-10	1	1
21	Cyberfox	Antwerp	1-10	1	1
22	Cybertronica	Kontich	1-10	1	1
23	Justguard	Geel	1-10	1	1
24	Cyberxpert	Antwerpen	1-10	1	1

Showing 24 of 59 cybersecurity software companies based in Belgium

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 2,226 reachable decision-makers.

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Cybersecurity software companies based in Belgium at a glance

As of Aug 28, 2026

1-10Median size (employees)

Sint-NiklaasLargest hub · 2 HQs

247Contacts with mobile numbers

4Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

Cybersecurity software companies by metro

Metro	Companies
Cybersecurity software companies in Sint-Niklaas	2
Cybersecurity software companies in Kontich	2
Cybersecurity software companies in Erpe-Mere	2
Cybersecurity software companies in Waterloo	2
Cybersecurity software companies in Mont-Saint-Guibert	2
Cybersecurity software companies in Anderlecht	2
Cybersecurity software companies in Oostkamp	2

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 software companies”, 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 software companies are there based in Belgium?

There are 59 cybersecurity software companies 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 software companies?

Sint-Niklaas leads with 2 headquartered companies, followed by Kontich (2) and Erpe-Mere (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 2,226 verified decision-maker contacts tracked across these 59 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.