Company lists · Data refreshed October 2026
Top 25 Cyber security specialists based in Belgium
RevenueBase identified 134 company matches for cyber security specialists associated with Belgium as of October 2026 and tracks 1,073 professional contacts across them, including 476 with verified work emails. Brussels is the largest hub.
This list covers company matches for cyber 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 October 1, 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 25 largest cyber security specialists based in Belgium
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 315 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 · Oct 1, 2026 · View company records in RevenueBase | |||||
| 2 | 102 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 · Oct 1, 2026 · View company records in RevenueBase | |||||
| 3 | 88 contacts → | ||||
Exact match “Approach Cyber is a trusted cyber resilience partner supporting organizations across Belgium and Switzerland.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 4 | 51 contacts → | ||||
Exact match “Tailored, end-to-end solutions, suited to your cybersecurity needs.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 5 | 28 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 · Oct 1, 2026 · View company records in RevenueBase | |||||
| 6 | 28 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 · Oct 1, 2026 · View company records in RevenueBase | |||||
| 7 | 20 contacts → | ||||
Exact match “At Thales Cyber Solutions Belgium, we strive for security & privacy.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 8 | 19 contacts → | ||||
Exact match “Cresco is your partner in cybersecurity.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 9 | 18 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 · Oct 1, 2026 · View company records in RevenueBase | |||||
| 10 | 18 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 · Oct 1, 2026 · View company records in RevenueBase | |||||
| 11 | 18 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 · Oct 1, 2026 · View company records in RevenueBase | |||||
| 12 | 16 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 · Oct 1, 2026 · View company records in RevenueBase | |||||
| 13 | 11 contacts → | ||||
Exact match “A&P offers consulting expertise in data protection, cybersecurity and IT & Digital governance” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 14 | 10 contacts → | ||||
Exact match “Curios is a boutique cybersecurity and compliance consultancy in Antwerp, serving enterprises across Belgium and Europe.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 15 | 9 contacts → | ||||
Exact match “In a world where everything is connected and people are online all the time, data and resources are distributed and mobile.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 16 | 8 contacts → | ||||
Exact match “At Splynter we want to help companies understand their adversaries and how to combat them.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 17 | 8 contacts → | ||||
Exact match “Cybersecurity | Algemene IT-diensten | Digitale media Het digitale tijdperk heeft een enorme stroomversnelling gekend afgelopen jaren, dit is een trend die alleen nog maar zal…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 18 | 6 contacts → | ||||
Exact match “Wij geloven dat cybersecurity niet zo complex hoeft te zijn.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 19 | 6 contacts → | ||||
Exact match “Highly skilled IT consultants with focus on network & security.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 20 | 6 contacts → | ||||
Exact match “We help you protect your people, data and operations by delivering integrated consultancy, expert training and engineered solutions that safeguard your organisation from modern…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 21 | 5 contacts → | ||||
Exact match “At Resilix, we focus on providing targeted security solutions designed from a pragmatic approach to best protect your organisation from today's complex threats.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 22 | 5 contacts → | ||||
Exact match “Guardis helps organizations design, secure and operate their IT infrastructure, from cloud-native environments to industrial systems.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 23 | 4 contacts → | ||||
Exact match “Your digital life belongs to you.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 24 | 4 contacts → | ||||
Exact match “Een goed werkend netwerk is voor elk bedrijf van cruciaal belang.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 25 | 4 contacts → | ||||
Exact match “Détecter, Analyser, Former.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “cyber security specialists”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 134 cyber security specialists based in Belgium
See the full list, filter by size, metro and specialty, and access 476 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
Cyber security specialists based in Belgium at a glance
As of Oct 1, 2026Companies by employee count
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 134 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 “cyber 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 476 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 October 1, 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 “cyber security specialists”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many cyber security specialists are there based in Belgium?
RevenueBase identified 134 company matches for cyber security specialists associated with Belgium as of October 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?
Nviso Security tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most cyber security specialists?
Brussels leads with 16 company records, followed by Antwerp (8) and Kontich (5).
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 476 professional contacts with verified work emails tracked across these 134 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 October 1, 2026.
Ready to reach these companies? Verified emails and direct dials for all 134 cyber security specialists based in Belgium. Start with a free account, no credit card.
Download this list →Related lists
Cyber security specialists by geography
- Cyber security specialists based in Buenos Aires, Argentina
- Cyber security specialists based in Brisbane, Australia
- Cyber security specialists based in Canberra, Australia
- Cyber security specialists based in Melbourne, Australia
- Cyber security specialists based in Sydney, Australia
- Cyber security specialists based in Vienna, Austria
- Cyber security specialists based in Rio De Janeiro, Brazil
- Cyber security specialists based in Sao Paulo, Brazil
- Cyber security specialists based in Calgary, Canada
- Cyber security specialists based in Montreal, Canada
- Cyber security specialists based in Ottawa, Canada
- Cyber security specialists based in Toronto, Canada
Browse the directory
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Cyber security specialists based in Buenos Aires, Argentina
- Cyber security specialists based in Brisbane, Australia
- Cyber security specialists based in Canberra, Australia
- Cyber security specialists based in Melbourne, Australia
- Cyber security specialists based in Sydney, Australia
- Cyber security specialists based in Vienna, Austria
Company intelligence · public preview
Top 25 cyber security specialists based in Belgium
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 134 matching company records for cyber security specialists based in Belgium, with 1,073 tracked contacts and 476 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 1, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 cyber security specialists based in Belgium
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Nviso Securitynviso.euHQ: Brussels, BelgiumReported employees: 201-500 | Brussels, Belgium | 201-500 | Exact match | 315 contacts → |
“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 description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Secutecsecutec.comHQ: Aartselaar, BelgiumReported employees: 51-200 | Aartselaar, Belgium | 51-200 | Exact match | 102 contacts → |
“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 description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Approach Cyberapproach-cyber.comHQ: Mont-saint-guibert, BelgiumReported employees: 51-200 | Mont-saint-guibert, Belgium | 51-200 | Exact match | 88 contacts → |
“Approach Cyber is a trusted cyber resilience partner supporting organizations across Belgium and Switzerland.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  ACENacen.euHQ: Kontich, BelgiumReported employees: 51-200 | Kontich, Belgium | 51-200 | Exact match | 51 contacts → |
“Tailored, end-to-end solutions, suited to your cybersecurity needs.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Secwisesecwise.beHQ: Leuven, BelgiumReported employees: 11-50 | Leuven, Belgium | 11-50 | Exact match | 28 contacts → |
“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 description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Sertalinksertalink.comHQ: St-niklaas, BelgiumReported employees: 11-50 | St-niklaas, Belgium | 11-50 | Exact match | 28 contacts → |
“Sertalink is a premier cybersecurity expert in Belgium and Luxembourg, serving as your organization's vigilant guardian in the digital world.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Thales Cyber Solutions Belgiumexcellium-services.com HQ: BelgiumReported employees: 11-50 | Belgium | 11-50 | Exact match | 20 contacts → |
“At Thales Cyber Solutions Belgium, we strive for security & privacy.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Cresco Cybersecuritycresco.beHQ: Belgium France Luxembourg Netherlands, BelgiumReported employees: 11-50 | Belgium France Luxembourg Netherlands, Belgium | 11-50 | Exact match | 19 contacts → |
“Cresco is your partner in cybersecurity.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Resilient Securityresilientsecurity.beHQ: Antwerp, BelgiumReported employees: 11-50 | Antwerp, Belgium | 11-50 | Exact match | 18 contacts → |
“Resilient Security is your trusted partner in cybersecurity, bridging the gap between big consultancy firms and system integrators.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Actwise, An Acen Companyactwise.euHQ: Kontich, BelgiumReported employees: 11-50 | Kontich, Belgium | 11-50 | Exact match | 18 contacts → |
“ActWise is the partner of choice for securing your identities and protecting what matters most within your company.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Redsystemredsystem.ioHQ: Froyennes, BelgiumReported employees: 11-50 | Froyennes, Belgium | 11-50 | Exact match | 18 contacts → |
“Our mission is to advise and support you in minimizing the attack surface that could threaten your business.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  MCGmcg.beHQ: Ottignies-louvain-la-neuve, BelgiumReported employees: 1-10 | Ottignies-louvain-la-neuve, Belgium | 1-10 | Exact match | 16 contacts → |
“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 description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Ataya And Partners - HTP Groupatayapartners.comHQ: Brussels, BelgiumReported employees: 11-50 | Brussels, Belgium | 11-50 | Exact match | 11 contacts → |
“A&P offers consulting expertise in data protection, cybersecurity and IT & Digital governance” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Curioscurios-it.euHQ: Antwerp, BelgiumReported employees: 1-10 | Antwerp, Belgium | 1-10 | Exact match | 10 contacts → |
“Curios is a boutique cybersecurity and compliance consultancy in Antwerp, serving enterprises across Belgium and Europe.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Netcurenetcure.beHQ: Zaventem, BelgiumReported employees: 1-10 | Zaventem, Belgium | 1-10 | Exact match | 9 contacts → |
“In a world where everything is connected and people are online all the time, data and resources are distributed and mobile.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Splyntersplynter.beHQ: Kontich, BelgiumReported employees: 1-10 | Kontich, Belgium | 1-10 | Exact match | 8 contacts → |
“At Splynter we want to help companies understand their adversaries and how to combat them.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Brand Solutions Europebrand-solutions.beHQ: Sint-niklaas, BelgiumReported employees: 1-10 | Sint-niklaas, Belgium | 1-10 | Exact match | 8 contacts → |
“Cybersecurity | Algemene IT-diensten | Digitale media Het digitale tijdperk heeft een enorme stroomversnelling gekend afgelopen jaren, dit is een trend die alleen nog maar zal…” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Cyberplancyberplan.beHQ: Oostkamp, BelgiumReported employees: 11-50 | Oostkamp, Belgium | 11-50 | Exact match | 6 contacts → |
“Wij geloven dat cybersecurity niet zo complex hoeft te zijn.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Atendo I Secureatendo.beHQ: Paal-beringen, BelgiumReported employees: 1-10 | Paal-beringen, Belgium | 1-10 | Exact match | 6 contacts → |
“Highly skilled IT consultants with focus on network & security.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  S.A.F.Esafe-people.comHQ: Aarschot, BelgiumReported employees: 1-10 | Aarschot, Belgium | 1-10 | Exact match | 6 contacts → |
“We help you protect your people, data and operations by delivering integrated consultancy, expert training and engineered solutions that safeguard your organisation from modern…” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Resilixresilix.beHQ: Hasselt, BelgiumReported employees: 1-10 | Hasselt, Belgium | 1-10 | Exact match | 5 contacts → |
“At Resilix, we focus on providing targeted security solutions designed from a pragmatic approach to best protect your organisation from today's complex threats.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Guardisguardis.comHQ: Hannut, BelgiumReported employees: 1-10 | Hannut, Belgium | 1-10 | Exact match | 5 contacts → |
“Guardis helps organizations design, secure and operate their IT infrastructure, from cloud-native environments to industrial systems.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Cyberwolfcyberwolf.ioHQ: Merelbeke, BelgiumReported employees: 11-50 | Merelbeke, Belgium | 11-50 | Exact match | 4 contacts → |
“Your digital life belongs to you.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Apex Networksapex-networks.beHQ: Wingene, BelgiumReported employees: 1-10 | Wingene, Belgium | 1-10 | Exact match | 4 contacts → |
“Een goed werkend netwerk is voor elk bedrijf van cruciaal belang.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Dashandashan.io HQ: Tournai, BelgiumReported employees: 1-10 | Tournai, Belgium | 1-10 | Exact match | 4 contacts → |
“Détecter, Analyser, Former.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 134 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Cyber security specialists: dataset insights
October 1, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
133 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 134 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 1, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for cyber security specialists?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many cyber security specialists did RevenueBase find based in Belgium?
The saved snapshot records 134 matching company records, 1,073 tracked contacts and 476 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 1, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Cyber security specialists by geography
- Cyber security specialists based in Buenos Aires, Argentina
- Cyber security specialists based in Brisbane, Australia
- Cyber security specialists based in Canberra, Australia
- Cyber security specialists based in Melbourne, Australia
- Cyber security specialists based in Sydney, Australia
- Cyber security specialists based in Vienna, Austria
- Cyber security specialists based in Rio De Janeiro, Brazil
- Cyber security specialists based in Sao Paulo, Brazil
- Cyber security specialists based in Calgary, Canada
- Cyber security specialists based in Montreal, Canada
- Cyber security specialists based in Ottawa, Canada
- Cyber security specialists based in Toronto, Canada
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 cyber security specialists based in Belgium. Snapshot: October 1, 2026. https://revenuebase.ai/companies/cyber-security-specialists/belgium.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Cyber security specialists based in Buenos Aires, Argentina
- Cyber security specialists based in Brisbane, Australia
- Cyber security specialists based in Canberra, Australia
- Cyber security specialists based in Melbourne, Australia
- Cyber security specialists based in Sydney, Australia
- Cyber security specialists based in Vienna, Austria
Company intelligence · public preview
Top 25 cyber security specialists based in Belgium
RevenueBase records 134 matching company records for cyber security specialists based in Belgium, with 1,073 tracked contacts and 476 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 1, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 cyber security specialists based in Belgium
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Nviso Securitynviso.eu HQ: Brussels, BelgiumReported employees: 201-500 | Brussels, Belgium | 201-500 | Exact match | 315 contacts → |
“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 description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Secutecsecutec.com HQ: Aartselaar, BelgiumReported employees: 51-200 | Aartselaar, Belgium | 51-200 | Exact match | 102 contacts → |
“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 description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Approach Cyberapproach-cyber.com HQ: Mont-saint-guibert, BelgiumReported employees: 51-200 | Mont-saint-guibert, Belgium | 51-200 | Exact match | 88 contacts → |
“Approach Cyber is a trusted cyber resilience partner supporting organizations across Belgium and Switzerland.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | ACENacen.eu HQ: Kontich, BelgiumReported employees: 51-200 | Kontich, Belgium | 51-200 | Exact match | 51 contacts → |
“Tailored, end-to-end solutions, suited to your cybersecurity needs.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Secwisesecwise.be HQ: Leuven, BelgiumReported employees: 11-50 | Leuven, Belgium | 11-50 | Exact match | 28 contacts → |
“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 description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Sertalinksertalink.com HQ: St-niklaas, BelgiumReported employees: 11-50 | St-niklaas, Belgium | 11-50 | Exact match | 28 contacts → |
“Sertalink is a premier cybersecurity expert in Belgium and Luxembourg, serving as your organization's vigilant guardian in the digital world.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Thales Cyber Solutions Belgiumexcellium-services.com HQ: BelgiumReported employees: 11-50 | Belgium | 11-50 | Exact match | 20 contacts → |
“At Thales Cyber Solutions Belgium, we strive for security & privacy.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Cresco Cybersecuritycresco.be HQ: Belgium France Luxembourg Netherlands, BelgiumReported employees: 11-50 | Belgium France Luxembourg Netherlands, Belgium | 11-50 | Exact match | 19 contacts → |
“Cresco is your partner in cybersecurity.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Resilient Securityresilientsecurity.be HQ: Antwerp, BelgiumReported employees: 11-50 | Antwerp, Belgium | 11-50 | Exact match | 18 contacts → |
“Resilient Security is your trusted partner in cybersecurity, bridging the gap between big consultancy firms and system integrators.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Actwise, An Acen Companyactwise.eu HQ: Kontich, BelgiumReported employees: 11-50 | Kontich, Belgium | 11-50 | Exact match | 18 contacts → |
“ActWise is the partner of choice for securing your identities and protecting what matters most within your company.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Redsystemredsystem.io HQ: Froyennes, BelgiumReported employees: 11-50 | Froyennes, Belgium | 11-50 | Exact match | 18 contacts → |
“Our mission is to advise and support you in minimizing the attack surface that could threaten your business.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | MCGmcg.be HQ: Ottignies-louvain-la-neuve, BelgiumReported employees: 1-10 | Ottignies-louvain-la-neuve, Belgium | 1-10 | Exact match | 16 contacts → |
“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 description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Ataya And Partners - HTP Groupatayapartners.com HQ: Brussels, BelgiumReported employees: 11-50 | Brussels, Belgium | 11-50 | Exact match | 11 contacts → |
“A&P offers consulting expertise in data protection, cybersecurity and IT & Digital governance” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Curioscurios-it.eu HQ: Antwerp, BelgiumReported employees: 1-10 | Antwerp, Belgium | 1-10 | Exact match | 10 contacts → |
“Curios is a boutique cybersecurity and compliance consultancy in Antwerp, serving enterprises across Belgium and Europe.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Netcurenetcure.be HQ: Zaventem, BelgiumReported employees: 1-10 | Zaventem, Belgium | 1-10 | Exact match | 9 contacts → |
“In a world where everything is connected and people are online all the time, data and resources are distributed and mobile.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Splyntersplynter.be HQ: Kontich, BelgiumReported employees: 1-10 | Kontich, Belgium | 1-10 | Exact match | 8 contacts → |
“At Splynter we want to help companies understand their adversaries and how to combat them.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Brand Solutions Europebrand-solutions.be HQ: Sint-niklaas, BelgiumReported employees: 1-10 | Sint-niklaas, Belgium | 1-10 | Exact match | 8 contacts → |
“Cybersecurity | Algemene IT-diensten | Digitale media Het digitale tijdperk heeft een enorme stroomversnelling gekend afgelopen jaren, dit is een trend die alleen nog maar zal…” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Cyberplancyberplan.be HQ: Oostkamp, BelgiumReported employees: 11-50 | Oostkamp, Belgium | 11-50 | Exact match | 6 contacts → |
“Wij geloven dat cybersecurity niet zo complex hoeft te zijn.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Atendo I Secureatendo.be HQ: Paal-beringen, BelgiumReported employees: 1-10 | Paal-beringen, Belgium | 1-10 | Exact match | 6 contacts → |
“Highly skilled IT consultants with focus on network & security.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | S.A.F.Esafe-people.com HQ: Aarschot, BelgiumReported employees: 1-10 | Aarschot, Belgium | 1-10 | Exact match | 6 contacts → |
“We help you protect your people, data and operations by delivering integrated consultancy, expert training and engineered solutions that safeguard your organisation from modern…” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Resilixresilix.be HQ: Hasselt, BelgiumReported employees: 1-10 | Hasselt, Belgium | 1-10 | Exact match | 5 contacts → |
“At Resilix, we focus on providing targeted security solutions designed from a pragmatic approach to best protect your organisation from today's complex threats.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Guardisguardis.com HQ: Hannut, BelgiumReported employees: 1-10 | Hannut, Belgium | 1-10 | Exact match | 5 contacts → |
“Guardis helps organizations design, secure and operate their IT infrastructure, from cloud-native environments to industrial systems.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Cyberwolfcyberwolf.io HQ: Merelbeke, BelgiumReported employees: 11-50 | Merelbeke, Belgium | 11-50 | Exact match | 4 contacts → |
“Your digital life belongs to you.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Apex Networksapex-networks.be HQ: Wingene, BelgiumReported employees: 1-10 | Wingene, Belgium | 1-10 | Exact match | 4 contacts → |
“Een goed werkend netwerk is voor elk bedrijf van cruciaal belang.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Dashandashan.io HQ: Tournai, BelgiumReported employees: 1-10 | Tournai, Belgium | 1-10 | Exact match | 4 contacts → |
“Détecter, Analyser, Former.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 134 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Cyber security specialists: dataset insights
October 1, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
133 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 134 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 1, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for cyber security specialists?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many cyber security specialists did RevenueBase find based in Belgium?
The saved snapshot records 134 matching company records, 1,073 tracked contacts and 476 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 1, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Cyber security specialists by geography
- Cyber security specialists based in Buenos Aires, Argentina
- Cyber security specialists based in Brisbane, Australia
- Cyber security specialists based in Canberra, Australia
- Cyber security specialists based in Melbourne, Australia
- Cyber security specialists based in Sydney, Australia
- Cyber security specialists based in Vienna, Austria
- Cyber security specialists based in Rio De Janeiro, Brazil
- Cyber security specialists based in Sao Paulo, Brazil
- Cyber security specialists based in Calgary, Canada
- Cyber security specialists based in Montreal, Canada
- Cyber security specialists based in Ottawa, Canada
- Cyber security specialists based in Toronto, Canada
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 cyber security specialists based in Belgium. Snapshot: October 1, 2026. https://revenuebase.ai/companies/cyber-security-specialists/belgium.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Cyber security specialists based in Buenos Aires, Argentina
- Cyber security specialists based in Brisbane, Australia
- Cyber security specialists based in Canberra, Australia
- Cyber security specialists based in Melbourne, Australia
- Cyber security specialists based in Sydney, Australia
- Cyber security specialists based in Vienna, Austria