Company lists · Data refreshed September 2026
Top 25 Outsourced ciso services based in Belgium
RevenueBase identified 101 company matches for outsourced ciso services associated with Belgium as of September 2026 and tracks 710 professional contacts across them, including 373 with verified work emails. Brussels is the largest hub.
This list covers company matches for outsourced ciso 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 21, 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 outsourced ciso services 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 · Sep 21, 2026 · View company records in RevenueBase | |||||
| 2 | 67 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 21, 2026 · View company records in RevenueBase | |||||
| 3 | 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 · Sep 21, 2026 · View company records in RevenueBase | |||||
| 4 | 20 contacts → | ||||
Exact match “At Thales Cyber Solutions Belgium, we strive for security & privacy.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 5 | 19 contacts → | ||||
Exact match “Cresco is your partner in cybersecurity.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 6 | 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 · Sep 21, 2026 · View company records in RevenueBase | |||||
| 7 | 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 · Sep 21, 2026 · View company records in RevenueBase | |||||
| 8 | 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 · Sep 21, 2026 · View company records in RevenueBase | |||||
| 9 | 7 contacts → | ||||
Exact match “The philosophy underlying our approach is one of open-mindedness and flexibility, whereby we do not restrict ourselves to any particular vendor or product, but instead remain…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 10 | 7 contacts → | ||||
Exact match “IT-infrastructuur & cybersecurity NIS2 compliance advies 24/7 monitoring & response Bedrijfskritische continuïteit Transformeren uw IT van risicofactor naar concurrentievoordeel.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 11 | 6 contacts → | ||||
Exact match “Bij Fox & Fish Cyberdefense werken we op vier domeinen om uw organisatie te beveiligen tegen hacking en cyberaanvallen- Cybersecurity audits & risicoanalyses - Bewustmaking &…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 12 | 6 contacts → | ||||
Exact match “Wij geloven dat cybersecurity niet zo complex hoeft te zijn.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 13 | 6 contacts → | ||||
Exact match “Qualitative Cyber Security and Advice.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 14 | 6 contacts → | ||||
Exact match “Highly skilled IT consultants with focus on network & security.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 15 | 4 contacts → | ||||
Exact match “We integrate the NIS2 Audicy framework for national Key companies & the ICT supply chain as a roadmap to NIS2 certification.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 16 | 4 contacts → | ||||
Exact match “Experten in IT en OT Cyberveiligheid - Cybersecurity diensten op maat van uw organisatie- Security doorlichtingen, audits, pen-tests - NIS2, Cyfun en ISO27001 begeleidingen -…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 17 | 4 contacts → | ||||
Exact match “Leveraging our profound expertise in IT, Cybersecurity and Risk Management, DigiSôter aims to be your preferred partner in aligning these capabilities with your business needs.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 18 | 4 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 · Sep 21, 2026 · View company records in RevenueBase | |||||
| 19 | 3 contacts → | ||||
Exact match “Dans un monde où les technologies de l’information et de la communication sont en perpétuelle mutation, la société CIO-PME accompagne les dirigeants de PME dans leurs choix…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 20 | 3 contacts → | ||||
Exact match “INFOSEC4YOU est une Start-up spécialisée exclusivement dans la cybersécurité, nous protégeons les données, les entreprises et les citoyens contre la cybercriminalité et les…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 21 | 3 contacts → | ||||
Exact match “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…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 22 | 3 contacts → | ||||
Exact match “ITside specializes in providing IT services and consulting for small and medium-sized enterprises (SMEs).” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 23 | 3 contacts → | ||||
Exact match “At Spectre Advisory, we go beyond the basics of information security.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 24 | 2 contacts → | ||||
Exact match “Together, we can build a more secure and resilient digital world.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 25 | 2 contacts → | ||||
Exact match “Your IT.” Recorded in the RevenueBase company graph · Sep 21, 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 “outsourced ciso services”. 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 101 outsourced ciso services based in Belgium
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Outsourced ciso services based in Belgium at a glance
As of Sep 21, 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 101 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 “outsourced ciso 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 373 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 21, 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 “outsourced ciso services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many outsourced ciso services are there based in Belgium?
RevenueBase identified 101 company matches for outsourced ciso 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?
Nviso Security tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most outsourced ciso services?
Brussels leads with 8 company records, followed by Antwerp (6) 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 373 professional contacts with verified work emails tracked across these 101 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 21, 2026.
Ready to reach these companies? Verified emails and direct dials for all 101 outsourced ciso services based in Belgium. Start with a free account, no credit card.
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Outsourced ciso services by geography
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- Outsourced ciso services based in Ahmedabad, India
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- Outsourced ciso services based in Chennai, India
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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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Company intelligence · public preview
Top 25 outsourced ciso services 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 101 matching company records for outsourced ciso services based in Belgium, with 710 tracked contacts and 373 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: September 21, 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 outsourced ciso services 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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Toreontoreon.comHQ: Antwerp, BelgiumReported employees: 51-200 | Antwerp, Belgium | 51-200 | Exact match | 67 contacts → |
“At Toreon, we believe that security is vital for people to live and work confidently, with trust in our digital society.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | 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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  4netfournet.beHQ: Mechelen, BelgiumReported employees: 11-50 | Mechelen, Belgium | 11-50 | Exact match | 7 contacts → |
“The philosophy underlying our approach is one of open-mindedness and flexibility, whereby we do not restrict ourselves to any particular vendor or product, but instead remain…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Xcelleratexcellerate.beHQ: Zwevezele, BelgiumReported employees: 1-10 | Zwevezele, Belgium | 1-10 | Exact match | 7 contacts → |
“IT-infrastructuur & cybersecurity NIS2 compliance advies 24/7 monitoring & response Bedrijfskritische continuïteit Transformeren uw IT van risicofactor naar concurrentievoordeel.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Fox&fish Cyberdefensefoxandfish.beHQ: Aarschot, BelgiumReported employees: 1-10 | Aarschot, Belgium | 1-10 | Exact match | 6 contacts → |
“Bij Fox & Fish Cyberdefense werken we op vier domeinen om uw organisatie te beveiligen tegen hacking en cyberaanvallen- Cybersecurity audits & risicoanalyses - Bewustmaking &…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Cyberminutecyberminute.comHQ: Brussels, BelgiumReported employees: 1-10 | Brussels, Belgium | 1-10 | Exact match | 6 contacts → |
“Qualitative Cyber Security and Advice.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Qfirst Nis2qfirst.beHQ: Aarschot, BelgiumReported employees: 1-10 | Aarschot, Belgium | 1-10 | Exact match | 4 contacts → |
“We integrate the NIS2 Audicy framework for national Key companies & the ICT supply chain as a roadmap to NIS2 certification.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Soteriasoteria.beHQ: Ghent, BelgiumReported employees: 1-10 | Ghent, Belgium | 1-10 | Exact match | 4 contacts → |
“Experten in IT en OT Cyberveiligheid - Cybersecurity diensten op maat van uw organisatie- Security doorlichtingen, audits, pen-tests - NIS2, Cyfun en ISO27001 begeleidingen -…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Digisôterdigisoter.comHQ: Brussels, BelgiumReported employees: 1-10 | Brussels, Belgium | 1-10 | Exact match | 4 contacts → |
“Leveraging our profound expertise in IT, Cybersecurity and Risk Management, DigiSôter aims to be your preferred partner in aligning these capabilities with your business needs.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Icteryusicteryus.comHQ: Gentbrugge, BelgiumReported employees: 1-10 | Gentbrugge, Belgium | 1-10 | Exact match | 4 contacts → |
“To protect global enterprises from emerging cyber security threats by delivering reliable and transparent services around the clock.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Cio-Pme Sprlcio-pme.com HQ: Mons, BelgiumReported employees: 1-10 | Mons, Belgium | 1-10 | Exact match | 3 contacts → |
“Dans un monde où les technologies de l’information et de la communication sont en perpétuelle mutation, la société CIO-PME accompagne les dirigeants de PME dans leurs choix…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Infosec4youinfosec4you.com HQ: Bruxelles Bruxelles, BelgiumReported employees: 11-50 | Bruxelles Bruxelles, Belgium | 11-50 | Exact match | 3 contacts → |
“INFOSEC4YOU est une Start-up spécialisée exclusivement dans la cybersécurité, nous protégeons les données, les entreprises et les citoyens contre la cybercriminalité et les…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Cybervaluecybervalue.netHQ: Leuven, BelgiumReported employees: 1-10 | Leuven, Belgium | 1-10 | Exact match | 3 contacts → |
“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…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Itsideitside.beHQ: Wauthier-braine, BelgiumReported employees: 1-10 | Wauthier-braine, Belgium | 1-10 | Exact match | 3 contacts → |
“ITside specializes in providing IT services and consulting for small and medium-sized enterprises (SMEs).” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Spectre Advisoryspectre-advisory.comHQ: Sint-niklaas, BelgiumReported employees: 1-10 | Sint-niklaas, Belgium | 1-10 | Exact match | 3 contacts → |
“At Spectre Advisory, we go beyond the basics of information security.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Syntorysyntory.comHQ: Rumst, BelgiumReported employees: 11-50 | Rumst, Belgium | 11-50 | Exact match | 2 contacts → |
“Together, we can build a more secure and resilient digital world.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  EZ Networkingez.beHQ: Kruibeke, BelgiumReported employees: 1-10 | Kruibeke, Belgium | 1-10 | Exact match | 2 contacts → |
“Your IT.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 101 company matches
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Outsourced ciso services: dataset insights
September 21, 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
101 records in the displayed employee bands.
0 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 101 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: September 21, 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 outsourced ciso services?
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 outsourced ciso services did RevenueBase find based in Belgium?
The saved snapshot records 101 matching company records, 710 tracked contacts and 373 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: September 21, 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
Outsourced ciso services by geography
- Outsourced ciso services based in Brisbane, Australia
- Outsourced ciso services based in Melbourne, Australia
- Outsourced ciso services based in Sydney, Australia
- Outsourced ciso services based in Calgary, Canada
- Outsourced ciso services based in Montreal, Canada
- Outsourced ciso services based in Ottawa, Canada
- Outsourced ciso services based in Toronto, Canada
- Outsourced ciso services based in Ahmedabad, India
- Outsourced ciso services based in Bangalore, India
- Outsourced ciso services based in Chennai, India
- Outsourced ciso services based in Hyderabad, India
- Outsourced ciso services based in Mumbai, India
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 outsourced ciso services based in Belgium. Snapshot: September 21, 2026. https://revenuebase.ai/companies/outsourced-ciso-services/belgium.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
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- New lists
- Outsourced ciso services based in Brisbane, Australia
- Outsourced ciso services based in Melbourne, Australia
- Outsourced ciso services based in Sydney, Australia
- Outsourced ciso services based in Calgary, Canada
- Outsourced ciso services based in Montreal, Canada
- Outsourced ciso services based in Ottawa, Canada
Company intelligence · public preview
Top 25 outsourced ciso services based in Belgium
RevenueBase records 101 matching company records for outsourced ciso services based in Belgium, with 710 tracked contacts and 373 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: September 21, 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 outsourced ciso services 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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Toreontoreon.com HQ: Antwerp, BelgiumReported employees: 51-200 | Antwerp, Belgium | 51-200 | Exact match | 67 contacts → |
“At Toreon, we believe that security is vital for people to live and work confidently, with trust in our digital society.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | 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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | 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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | 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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | 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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | 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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | 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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | 4netfournet.be HQ: Mechelen, BelgiumReported employees: 11-50 | Mechelen, Belgium | 11-50 | Exact match | 7 contacts → |
“The philosophy underlying our approach is one of open-mindedness and flexibility, whereby we do not restrict ourselves to any particular vendor or product, but instead remain…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Xcelleratexcellerate.be HQ: Zwevezele, BelgiumReported employees: 1-10 | Zwevezele, Belgium | 1-10 | Exact match | 7 contacts → |
“IT-infrastructuur & cybersecurity NIS2 compliance advies 24/7 monitoring & response Bedrijfskritische continuïteit Transformeren uw IT van risicofactor naar concurrentievoordeel.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Fox&fish Cyberdefensefoxandfish.be HQ: Aarschot, BelgiumReported employees: 1-10 | Aarschot, Belgium | 1-10 | Exact match | 6 contacts → |
“Bij Fox & Fish Cyberdefense werken we op vier domeinen om uw organisatie te beveiligen tegen hacking en cyberaanvallen- Cybersecurity audits & risicoanalyses - Bewustmaking &…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | 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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Cyberminutecyberminute.com HQ: Brussels, BelgiumReported employees: 1-10 | Brussels, Belgium | 1-10 | Exact match | 6 contacts → |
“Qualitative Cyber Security and Advice.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | 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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Qfirst Nis2qfirst.be HQ: Aarschot, BelgiumReported employees: 1-10 | Aarschot, Belgium | 1-10 | Exact match | 4 contacts → |
“We integrate the NIS2 Audicy framework for national Key companies & the ICT supply chain as a roadmap to NIS2 certification.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Soteriasoteria.be HQ: Ghent, BelgiumReported employees: 1-10 | Ghent, Belgium | 1-10 | Exact match | 4 contacts → |
“Experten in IT en OT Cyberveiligheid - Cybersecurity diensten op maat van uw organisatie- Security doorlichtingen, audits, pen-tests - NIS2, Cyfun en ISO27001 begeleidingen -…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Digisôterdigisoter.com HQ: Brussels, BelgiumReported employees: 1-10 | Brussels, Belgium | 1-10 | Exact match | 4 contacts → |
“Leveraging our profound expertise in IT, Cybersecurity and Risk Management, DigiSôter aims to be your preferred partner in aligning these capabilities with your business needs.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Icteryusicteryus.com HQ: Gentbrugge, BelgiumReported employees: 1-10 | Gentbrugge, Belgium | 1-10 | Exact match | 4 contacts → |
“To protect global enterprises from emerging cyber security threats by delivering reliable and transparent services around the clock.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Cio-Pme Sprlcio-pme.com HQ: Mons, BelgiumReported employees: 1-10 | Mons, Belgium | 1-10 | Exact match | 3 contacts → |
“Dans un monde où les technologies de l’information et de la communication sont en perpétuelle mutation, la société CIO-PME accompagne les dirigeants de PME dans leurs choix…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Infosec4youinfosec4you.com HQ: Bruxelles Bruxelles, BelgiumReported employees: 11-50 | Bruxelles Bruxelles, Belgium | 11-50 | Exact match | 3 contacts → |
“INFOSEC4YOU est une Start-up spécialisée exclusivement dans la cybersécurité, nous protégeons les données, les entreprises et les citoyens contre la cybercriminalité et les…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Cybervaluecybervalue.net HQ: Leuven, BelgiumReported employees: 1-10 | Leuven, Belgium | 1-10 | Exact match | 3 contacts → |
“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…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Itsideitside.be HQ: Wauthier-braine, BelgiumReported employees: 1-10 | Wauthier-braine, Belgium | 1-10 | Exact match | 3 contacts → |
“ITside specializes in providing IT services and consulting for small and medium-sized enterprises (SMEs).” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Spectre Advisoryspectre-advisory.com HQ: Sint-niklaas, BelgiumReported employees: 1-10 | Sint-niklaas, Belgium | 1-10 | Exact match | 3 contacts → |
“At Spectre Advisory, we go beyond the basics of information security.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Syntorysyntory.com HQ: Rumst, BelgiumReported employees: 11-50 | Rumst, Belgium | 11-50 | Exact match | 2 contacts → |
“Together, we can build a more secure and resilient digital world.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | EZ Networkingez.be HQ: Kruibeke, BelgiumReported employees: 1-10 | Kruibeke, Belgium | 1-10 | Exact match | 2 contacts → |
“Your IT.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 101 company matches
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Outsourced ciso services: dataset insights
September 21, 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
101 records in the displayed employee bands.
0 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 101 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: September 21, 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 outsourced ciso services?
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 outsourced ciso services did RevenueBase find based in Belgium?
The saved snapshot records 101 matching company records, 710 tracked contacts and 373 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: September 21, 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.
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Cite this list
RevenueBase Data Team. Top 25 outsourced ciso services based in Belgium. Snapshot: September 21, 2026. https://revenuebase.ai/companies/outsourced-ciso-services/belgium.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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