Company lists · Data verified August 2026

Top 25 Cybersecurity and recovery firms based in Belgium

Name: Cybersecurity and recovery firms based in Belgium
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 101 companies tracked

There are 101 cybersecurity and recovery firms headquartered in Belgium (RevenueBase, August 2026). RevenueBase tracks 6,328 professional contacts across them, including 2,306 with verified work emails and 253 with mobile numbers. Antwerp is the largest hub.

This list covers cybersecurity and recovery 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.

101Companies

6,328Contacts tracked

2,306Verified emails

253Mobile numbers

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The 25 largest cybersecurity and recovery firms based in Belgium

Ranked by team size

Top 25 of 101 cybersecurity and recovery 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	Orange Cyberdefense	n/a	1,001-5,000	3,706	2,083
2	Approach Cyber	Mechelen	51-200	93	48
3	Xalient Benelux	Asse	201-500	74	53
4	Secwise	Leuven	11-50	29	19
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	Redsystem	Froyennes	11-50	18	7
10	MCG	Ottignies-Louvain-La-Neuve	1-10	16	8
11	Splynter	Kontich	1-10	10	8
12	Curios	n/a	1-10	10	4
13	Brand Solutions Europe	Sint-Niklaas	1-10	8	4
14	Guardis	Hannut	1-10	5	2
15	Safepoint	Zoutleeuw	1-10	4	2
16	Icteryus	Gentbrugge	1-10	4	2
17	Dashan	Tournai	1-10	4	2
18	Infosec4you	Bruxelles Bruxelles	11-50	3	2
19	Cybervalue	Leuven	1-10	3	2
20	Qfirst	Bilzen	1-10	3	2
21	Cybereyes	Antwerpen Flemish	1-10	3	1
22	Threatproof	n/a	11-50	2	2
23	Syntory	Rumst	11-50	2	2
24	Zerobit BV	Lubbeek	1-10	2	1
25	Odsc Sprl	Namur	1-10	2	1

Showing 25 of 101 cybersecurity and recovery firms based in Belgium

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Cybersecurity and recovery firms based in Belgium at a glance

As of Aug 28, 2026

1-10Median size (employees)

AntwerpLargest hub · 6 HQs

253Contacts 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 and recovery firms by metro

Metro	Companies
Cybersecurity and recovery firms in Antwerp	6
Cybersecurity and recovery firms in Brussels	5
Cybersecurity and recovery firms in Antwerpen	3
Cybersecurity and recovery firms in Kontich	3
Cybersecurity and recovery firms in Erpe-Mere	2
Cybersecurity and recovery firms in Sint-Niklaas	2
Cybersecurity and recovery firms in Rumst	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 and recovery 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 and recovery firms are there based in Belgium?

There are 101 cybersecurity and recovery 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 and recovery firms?

Antwerp leads with 6 headquartered companies, followed by Brussels (5) and Antwerpen (3).

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 2,306 verified decision-maker contacts tracked across these 101 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.