Company lists · Data refreshed November 2026

Top 25 Cloud security specialists based in Belgium

RevenueBase identified 62 company matches for cloud security specialists associated with Belgium as of November 2026 and tracks 456 professional contacts across them, including 249 with verified work emails. Brussels is the largest hub.

This list covers company matches for cloud security specialists associated with Belgium, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 5, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 5, 2026 How this list was built
62Companies
456Contacts tracked
249Verified emails
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The 25 largest cloud security specialists based in Belgium

Ranked by team size
Top 25 of 62 company matches for cloud security specialists based in Belgium, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchKontich, BelgiumHQ recorded Nov 5, 202651-200115 contacts →

Exact match

“As a managed service provider (MSP) and experienced IT partner, we assist companies with their journey towards digital growth: from cloud infrastructure and network connectivity…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchAntwerp, BelgiumHQ recorded Nov 5, 202611-5035 contacts →

Exact match

“Every company wants to secure a future-proof digital transformation at speed.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchLeuven, BelgiumHQ recorded Nov 5, 202611-5029 contacts →

Exact match

“As Belgium’s largest Microsoft Security team and #1 Microsoft Gold Security Partner of the BeLux, we provide you a solid end-to-end security strategy to protect your organization…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchSt-niklaas, BelgiumHQ recorded Nov 5, 202611-5028 contacts →

Exact match

“Sertalink is a premier cybersecurity expert in Belgium and Luxembourg, serving as your organization's vigilant guardian in the digital world.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchKontich, BelgiumHQ recorded Nov 5, 202611-5026 contacts →

Exact match

“As a strategic partner of Okta, SailPoint, Wiz, and Netskope, we deliver end-to-end cybersecurity across identity, cloud, and data.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchAntwerp, BelgiumHQ recorded Nov 5, 202611-5020 contacts →

Exact match

“Resilient Security is your trusted partner in cybersecurity, bridging the gap between big consultancy firms and system integrators.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchMechelen, BelgiumHQ recorded Nov 5, 202611-5020 contacts →

Exact match

“Who can access what within my organisation?" Having provable control over who can access is crucial for the NIS2 and ISO 27001 certifications.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchOttignies-louvain-la-neuve, BelgiumHQ recorded Nov 5, 20261-1018 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchDiegem, BelgiumHQ recorded Nov 5, 2026501-1,00013 contacts →

Exact match

“Proact is Europe’s leading specialist in data and information management with focus on cloud services and data centre solutions.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchKontich, BelgiumHQ recorded Nov 5, 202611-5011 contacts →

Exact match

“ActWise is the partner of choice for securing your identities and protecting what matters most within your company.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchHalle, BelgiumHQ recorded Nov 5, 20261-107 contacts →

Exact match

“Specialist in IT-infrastructuur en cloudoplossingen voor kleine en middelgrote ondernemingen Spécialiste en infrastructure IT et solutions cloud pour les petites et moyennes…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchBelgiumHQ recorded Nov 5, 202611-505 contacts →

Exact match

“At Thales Cyber Solutions Belgium, we strive for security & privacy.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchKontich, BelgiumHQ recorded Nov 5, 202611-504 contacts →

Exact match

“NubeX is a managed cloud services provider helping enterprise organizations navigate the complexity of multi-cloud environments.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchRumst, BelgiumHQ recorded Nov 5, 20261-104 contacts →

Exact match

“CloudAtWork is uw vertrouwde IT-partner, gespecialiseerd in cloudoplossingen en IT-beveiliging.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchWingene, BelgiumHQ recorded Nov 5, 20261-104 contacts →

Exact match

“Een goed werkend netwerk is voor elk bedrijf van cruciaal belang.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchGentbrugge, BelgiumHQ recorded Nov 5, 20261-103 contacts →

Exact match

“To protect global enterprises from emerging cyber security threats by delivering reliable and transparent services around the clock.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchNamur, BelgiumHQ recorded Nov 5, 20261-103 contacts →

Exact match

“Entreprise de services numériques, spécialiste du cloud Microsoft, Google et Amazon BeCloudInitiy accompagne Grands Comptes et PME, dans l’adoption des solutions cloud et propose…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchGistel, BelgiumHQ recorded Nov 5, 20261-102 contacts →

Exact match

“ByteCove Consultancy staan paraat om bedrijven te helpen om de stap te zetten naar de Cloud.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchHemiksem, BelgiumHQ recorded Nov 5, 20261-102 contacts →

Exact match

“Head In Cloud Is a young, dynamic Cloud-integrator which focuses exclusively on the Amazon Web Services platform.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchMelkwezer, BelgiumHQ recorded Nov 5, 20261-102 contacts →

Exact match

“A company focusing on Cloud & DevOps Consultancy.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchNamur, BelgiumHQ recorded Nov 5, 20261-102 contacts →

Exact match

“Chez ODSC, nous accompagnons les entreprises dans la sécurisation de leurs actifs numériques à travers une approche complète et humaine de la cybersécurité.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchNinove, BelgiumHQ recorded Nov 5, 20261-101 contacts →

Exact match

“we secure your (cloud) business”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchBrussels, BelgiumHQ recorded Nov 5, 20261-101 contacts →

Exact match

“Our passion for security runs deep and wide.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchGhent, BelgiumHQ recorded Nov 5, 20261-101 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchDeinze, BelgiumHQ recorded Nov 5, 20261-101 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 25 of 62 cloud security specialists based in Belgium

See the full list, filter by size, metro and specialty, and access 249 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Cloud security specialists based in Belgium at a glance

As of Nov 5, 2026
54.6%Verified-email coverage
7.4Average contacts per company
1-10Median size (employees)
12.9%Largest-city concentration · Brussels
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
46
11-50
12
51-200
3
501-1,000
1

Email recency for this list is measured worldwide rather than for Belgium, so it is reported there. Company counts and contact totals on this page are exact for Belgium, over 62 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

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
Company records associated with Belgium whose business descriptions match “cloud security specialists” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 249 professional contacts with verified work emails across the full matched dataset. 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 November 5, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “cloud security specialists”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many cloud security specialists are there based in Belgium?

RevenueBase identified 62 company matches for cloud security specialists associated with Belgium as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

ARXUS tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most cloud security specialists?

Brussels leads with 8 company records, followed by Kontich (8) and Leuven (3).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 249 professional contacts with verified work emails tracked across these 62 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 5, 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.