Company lists · Data refreshed November 2026

Top 24 Counterintelligence consultants based in the Netherlands

RevenueBase identified 86 company matches for counterintelligence consultants associated with the Netherlands as of November 2026 and tracks 1,631 professional contacts across them, including 644 with verified work emails. Amsterdam is the largest hub.

This list covers company matches for counterintelligence consultants associated with the Netherlands, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
86Companies
1,631Contacts tracked
644Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 24 largest counterintelligence consultants based in the Netherlands

Ranked by team size
Top 24 of 86 company matches for counterintelligence consultants based in the Netherlands, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchRijswijk, NetherlandsHQ recorded Nov 6, 2026201-500232 contacts →

Exact match

“Fox-IT prevents, solves and mitigates the most serious cyber threats with innovative solutions for government, defense, law enforcement, critical infrastructure, banking, and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchLeiden, NetherlandsHQ recorded Nov 6, 202611-5068 contacts →

Exact match

“NCT Consultants is an independent defense and security company dedicated to making this world a safer and more secure place.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchAlmelo, NetherlandsHQ recorded Nov 6, 202651-20062 contacts →

Exact match

“Group your Architects in Safety and Intelligence Group is your professional partner for legal compliance, resilient and smart networks.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchAlmere, NetherlandsHQ recorded Nov 6, 202651-20045 contacts →

Exact match

“Contact?”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchGroningen, NetherlandsHQ recorded Nov 6, 202611-5028 contacts →

Exact match

“Ferwerda Beveiliging geeft onafhankelijk advies en bemiddeling op het gebied van veiligheid.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchUtrecht, NetherlandsHQ recorded Nov 6, 202611-5027 contacts →

Exact match

“Dyami is your security intelligence partner.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchWaddinxveen, NetherlandsHQ recorded Nov 6, 202611-5013 contacts →

Exact match

“Safetech is een adviserend ingenieursbureau gespecialiseerd in beveiligingsadviezen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchBilthoven, NetherlandsHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“Bij Cortex geloven we dat de meeste security risico's op een comfortabele en praktische wijze kunnen worden voorkomen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchRotterdam, NetherlandsHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“Base is a niche consultancy & managed security solutions provider, offering services enabling organizations, and professionals, to build knowledge & capabilities in information…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchThe Hague, NetherlandsHQ recorded Nov 6, 202611-508 contacts →

Exact match

“Welcome to Birdwatcher Group, your trusted partner in intelligence and security solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchAmsterdam, NetherlandsHQ recorded Nov 6, 202611-507 contacts →

Exact match

“Soteryan is a leading provider of cybersecurity consultancy and service solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchUtrecht, NetherlandsHQ recorded Nov 6, 20261-107 contacts →

Exact match

“Your digital research is our concern, good at-Know Your Client -Digital Forensics -Healthcare Fraud Modern We are a modern high-tech company that focuses on open source…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchDinteloord, NetherlandsHQ recorded Nov 6, 202611-505 contacts →

Exact match

“At R&T Consultancy, we help large organizations in the Netherlands maintain control over their physical and digital security challenges.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchOosterhout, NetherlandsHQ recorded Nov 6, 202611-505 contacts →

Exact match

“Smits van Burgst Beveiliging B.V.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchHaarlem, NetherlandsHQ recorded Nov 6, 20261-105 contacts →

Exact match

“Worldwide training & support for government professionals We teach you how to make the best covert entry Use the world's best available equipment Trained by experienced field…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchOosterbeek, NetherlandsHQ recorded Nov 6, 20261-105 contacts →

Exact match

“Wie wij zijn: Signum Interfocus is opgericht in 2004 en is uitgegroeid tot één van de grootste particuliere recherche- en adviesorganisatie van Nederland.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchEindhoven, NetherlandsHQ recorded Nov 6, 20261-104 contacts →

Exact match

“Investigations Services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchVoorschoten, NetherlandsHQ recorded Nov 6, 202611-504 contacts →

Exact match

“Business Security Company B.V.(BSC) was founded in 1993 and is located in the area of The Hague.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchDwingeloo, NetherlandsHQ recorded Nov 6, 2026201-5003 contacts →

Exact match

“Rodenberg Tillman & Associates is a Benelux based consultancy firm, founded in 1985 and active throughout Europe.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchAmsterdam, NetherlandsHQ recorded Nov 6, 20261-103 contacts →

Exact match

“Welcome to TheFIR!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchZaandijk, NetherlandsHQ recorded Nov 6, 202611-502 contacts →

Exact match

“PSG Recherche is a company that delivers high-quality investigation and consulting services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchAmsterdam, NetherlandsHQ recorded Nov 6, 20261-102 contacts →

Exact match

“Stolwijk & Van Onselen Consultancy is het onafhankelijk beveiligingsadviesbureau voor de hoog residentiële markt, bedrijven, instellingen en organisaties.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchVlaardingen, NetherlandsHQ recorded Nov 6, 20261-102 contacts →

Exact match

“RisicoRegisseurs is een onafhankelijk, bedrijfskundig, adviesbureau op het gebied van criminele risico’s en fysieke beveiliging.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchElst, NetherlandsHQ recorded Nov 6, 20261-102 contacts →

Exact match

“De Gesprekspartners is een trainings- en adviesbureau onder leiding van Pieter Remers en Frank Mulder.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 24 of 86 counterintelligence consultants based in the Netherlands

See the full list, filter by size, metro and specialty, and access 644 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Counterintelligence consultants based in the Netherlands at a glance

As of Nov 6, 2026
39.5%Verified-email coverage
19.0Average contacts per company
1-10Median size (employees)
12.8%Largest-city concentration · Amsterdam
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
49
11-50
27
51-200
5
201-500
4

Email recency for this list is measured worldwide rather than for Netherlands, so it is reported there. Company counts and contact totals on this page are exact for Netherlands, over 86 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 the Netherlands whose business descriptions match “counterintelligence consultants” 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 644 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on November 6, 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 “counterintelligence consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many counterintelligence consultants are there based in the Netherlands?

RevenueBase identified 86 company matches for counterintelligence consultants associated with the Netherlands as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

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

Which city has the most counterintelligence consultants?

Amsterdam leads with 11 company records, followed by Utrecht (3) and Amersfoort (2).

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 644 professional contacts with verified work emails tracked across these 86 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.

Ready to reach these companies? Verified emails and direct dials for all 86 counterintelligence consultants based in the Netherlands. Start with a free account, no credit card.

Download this list →

Related lists

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.