Company lists · Data refreshed September 2026
Top 21 Security analytics companies based in Belgium
RevenueBase identified 47 security analytics companies headquartered in Belgium as of September 2026 and tracks 653 professional contacts across them, including 310 with verified work emails and 9 with mobile numbers. Brussels is the largest hub.
This list covers security analytics companies headquartered in Belgium, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, how directly it supports the match, and when it was last checked. Data refreshed September 6, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 21 largest security analytics companies based in Belgium
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 315 | ||||
“NVISO is a cyber security services firm composed of outstanding security professionals - each has a specific field of expertise, ranging from security research and risk management…” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 2 | 102 | ||||
“Cybersecurity company Secutec was founded in 2005 and is considered an authority in the field of cybersecurity, threat intelligence, and incident response services tailored to…” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 3 | 28 | ||||
“Sertalink is a premier cybersecurity expert in Belgium and Luxembourg, serving as your organization's vigilant guardian in the digital world.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 4 | Thales Cyber Solutions BelgiumPartial evidence | 20 | |||
“At Thales Cyber Solutions Belgium, we strive for security & privacy.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 5 | 18 | ||||
“ActWise is the partner of choice for securing your identities and protecting what matters most within your company.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 6 | 16 | ||||
“Notre collaboration vous permet de vous défendre face aux diverses cyberattaques complexes et structurées pour protéger vos actifs, hébergés en interne ou dans le Cloud, et ainsi…” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 7 | 12 | ||||
“Secury360 stops intrusions before damage is done.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 8 | 10 | ||||
“Curios is a boutique cybersecurity and compliance consultancy in Antwerp, serving enterprises across Belgium and Europe.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 9 | 8 | ||||
“At Splynter we want to help companies understand their adversaries and how to combat them.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 10 | 5 | ||||
“Guardis helps organizations design, secure and operate their IT infrastructure, from cloud-native environments to industrial systems.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 11 | 4 | ||||
“Een goed werkend netwerk is voor elk bedrijf van cruciaal belang.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 12 | DashanIndirect evidence | 4 | |||
“Détecter, Analyser, Former.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 13 | 4 | ||||
“To protect global enterprises from emerging cyber security threats by delivering reliable and transparent services around the clock.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 14 | 3 | ||||
“He who defends everything, defends nothing” - No IT Security team can monitor every application, network, system and information asset that a company has, no incident response…” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 15 | 2 | ||||
“Ozoos stands as a trusted leader, delivering the most innovative and dependable cybersecurity technologies, backed by deep industry expertise and exceptional service, to empower…” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 16 | 2 | ||||
“Layer 9 Networks aims to become a paramount network security partner that reflects premium value based on unsurpassed service, superior quality and the highest standards of…” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 17 | 2 | ||||
“Chez ODSC, nous accompagnons les entreprises dans la sécurisation de leurs actifs numériques à travers une approche complète et humaine de la cybersécurité.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 18 | 1 | ||||
“CyberTronica helps organizations secure their infrastructure.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 19 | 1 | ||||
“FlowZ-IT is your cybersecurity company assisting companies and public organizations in the Benelux.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 20 | SecurenzaPartial evidence | 1 | |||
“We aim to improve the overall security posture and security practices of our clients.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 21 | 1 | ||||
“Welcome to JustGuard: Empowering Cybersecurity for a Safer World!” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
Showing 21 of 47 security analytics companies based in Belgium
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Security analytics companies based in Belgium at a glance
As of Sep 6, 2026Companies by employee count
Verified emails by last verification
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among security analytics companies, so some rows will be adjacent to the category rather than pure plays. The description and evidence rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Belgium whose own description of what they do matches “security analytics companies”. Matching reads each company's description, not its industry code or its name.
- What we exclude
- Companies whose own description does not clearly place them among security analytics companies, and records with no verified work email. Companies headquartered outside Belgium are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and an evidence rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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
- Every listed company carries at least one verified work email, 310 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 6, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Frequently asked
How many security analytics companies are there based in Belgium?
RevenueBase identified 47 security analytics companies headquartered in Belgium as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Nviso Security, headquartered in Belgium, tops this list with the largest team on record.
Which city has the most security analytics companies?
Brussels leads with 3 headquartered companies, followed by Kontich (3) and Antwerp (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 310 verified decision-maker contacts tracked across these 47 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 6, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 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 with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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