Company lists · Data refreshed September 2026

Top 25 Cybersecurity advisory and data privacy consulting services based in Belgium

RevenueBase identified 455 company matches for cybersecurity advisory and data privacy consulting services associated with Belgium as of September 2026 and tracks 4,710 professional contacts across them, including 2,301 with verified work emails and 114 with mobile numbers. Brussels is the largest hub.

This list covers company matches for cybersecurity advisory and data privacy consulting services 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 September 24, 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 Sep 24, 2026 How this list was built
455Companies
4,710Contacts tracked
2,301Verified emails
114Mobile numbers
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The 25 largest cybersecurity advisory and data privacy consulting services based in Belgium

Ranked by team size
Top 25 of 455 company matches for cybersecurity advisory and data privacy consulting services based in Belgium, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 24, 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 matchZaventem, BelgiumHQ recorded Sep 24, 20261,001-5,0001,592 contacts →

Exact match

“Uncovering a world of opportunity together.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
2Exact matchBrussels, BelgiumHQ recorded Sep 24, 2026201-500315 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
3Exact matchMerelbeke, BelgiumHQ recorded Sep 24, 202651-200183 contacts →

Exact match

“With over 25 years of experience and a team of 185 experts, we support more than 900 businesses in their digital transformation, securing their environments and developing their…”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
4Exact matchAartselaar, BelgiumHQ recorded Sep 24, 202651-200102 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
5Exact matchMont-saint-guibert, BelgiumHQ recorded Sep 24, 202651-20088 contacts →

Exact match

“Approach Cyber is a trusted cyber resilience partner supporting organizations across Belgium and Switzerland.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
6Exact matchMerelbeke, BelgiumHQ recorded Sep 24, 202651-20087 contacts →

Exact match

“Spotit is the trusted advisor for its customers and collaborates with them on innovative security & networking architectures that bring a big strategic advantage and insight.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
7Exact matchZaventem, BelgiumHQ recorded Sep 24, 202651-20073 contacts →

Exact match

“CRANIUM is a consultancy firm specialised in digital compliance and governance.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
8Exact matchAntwerp, BelgiumHQ recorded Sep 24, 202651-20067 contacts →

Exact match

“At Toreon, we believe that security is vital for people to live and work confidently, with trust in our digital society.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
9Exact matchBrussels, BelgiumHQ recorded Sep 24, 202651-20058 contacts →

Exact match

“Empower your business with seamless IT Modernization, fortify your future with cutting-edge Cybersecurity, and unlock potential with AI and Data-driven insights.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
10Exact matchKontich, BelgiumHQ recorded Sep 24, 202651-20051 contacts →

Exact match

“Tailored, end-to-end solutions, suited to your cybersecurity needs.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
11Exact matchLochristi, BelgiumHQ recorded Sep 24, 202611-5028 contacts →

Exact match

“The Collective is a highly-skilled and accredited Microsoft Partner with expertise in security, compliance, endpoint management, and cloud infrastructure.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
12Exact matchLeuven, BelgiumHQ recorded Sep 24, 202611-5028 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 · Sep 24, 2026 · View company records in RevenueBase
13Exact matchSt-niklaas, BelgiumHQ recorded Sep 24, 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 · Sep 24, 2026 · View company records in RevenueBase
14Exact matchKontich, BelgiumHQ recorded Sep 24, 202611-5022 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 · Sep 24, 2026 · View company records in RevenueBase
15Exact matchOostkamp, BelgiumHQ recorded Sep 24, 202611-5022 contacts →

Exact match

“Protecting companies of all sizes with user-friendly, innovative and affordable cybersecurity solutions.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
16Exact matchBelgiumHQ recorded Sep 24, 202611-5020 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
17Exact matchBelgium France Luxembourg Netherlands, BelgiumHQ recorded Sep 24, 202611-5019 contacts →

Exact match

“Cresco is your partner in cybersecurity.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
18Exact matchOudergem, BelgiumHQ recorded Sep 24, 202651-20018 contacts →

Exact match

“DigiTribe is an IT & business consulting company specialized in Cyber Security, Cloud, Architecture and Transformation Management.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
19Exact matchAntwerp, BelgiumHQ recorded Sep 24, 202611-5018 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 · Sep 24, 2026 · View company records in RevenueBase
20Exact matchNiel, BelgiumHQ recorded Sep 24, 202611-5018 contacts →

Exact match

“Specialized in auditing, consulting, coaching and implementing privacy / GDPR, Information Security, Business Continuity and Quality management systems.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
21Exact matchKontich, BelgiumHQ recorded Sep 24, 202611-5018 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 · Sep 24, 2026 · View company records in RevenueBase
22Exact matchFroyennes, BelgiumHQ recorded Sep 24, 202611-5018 contacts →

Exact match

“Our mission is to advise and support you in minimizing the attack surface that could threaten your business.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
23Exact matchHasselt, BelgiumHQ recorded Sep 24, 202611-5017 contacts →

Exact match

“SHIELD aims to proactively respond to the digital cybersecurity challenges of today and tomorrow.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
24Exact matchTurnhout, BelgiumHQ recorded Sep 24, 202611-5017 contacts →

Exact match

“RST consultancy guides your company to the desired level of security.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
25Exact matchBrussels, BelgiumHQ recorded Sep 24, 202611-5017 contacts →

Exact match

“Europe Analytica is a Brussels-based, leading independent public affairs consultancy offering expert advocacy and advisory services across a diverse range of fields, including…”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase

Showing 25 of 455 cybersecurity advisory and data privacy consulting services based in Belgium

See the full list, filter by size, metro and specialty, and access 2,301 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Cybersecurity advisory and data privacy consulting services based in Belgium at a glance

As of Sep 24, 2026
48.9%Verified-email coverage
2.4%Mobile-number coverage
10.4Average contacts per company
1-10Median size (employees)
11.6%Largest-city concentration · Brussels
Sep 24, 2026Page data refreshed

Companies by employee count

1-10
360
11-50
71
51-200
15
201-500
3
501-1,000
1
1,001-5,000
3
5,001-10,000
1

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 26.0d

Company record updated

Median 65.0d

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 “cybersecurity advisory and data privacy consulting services” 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 2,301 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 September 24, 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 “cybersecurity advisory and data privacy consulting services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many cybersecurity advisory and data privacy consulting services are there based in Belgium?

RevenueBase identified 455 company matches for cybersecurity advisory and data privacy consulting services associated with Belgium as of September 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?

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

Which city has the most cybersecurity advisory and data privacy consulting services?

Brussels leads with 53 company records, followed by Antwerp (31) and Ghent (8).

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 2,301 professional contacts with verified work emails tracked across these 455 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 September 24, 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.