Company lists · Data refreshed September 2026
Top 25 Telecom network security consultants based in the Netherlands
RevenueBase identified 61 telecom network security consultants headquartered in the Netherlands as of September 2026 and tracks 341 professional contacts across them, including 143 with verified work emails. Amsterdam is the largest hub.
This list covers telecom network security consultants headquartered in the Netherlands, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 29, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 telecom network security consultants based in the Netherlands
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 51 contacts → | ||||
Partial evidence “Group your Architects in Safety and Intelligence Group is your professional partner for legal compliance, resilient and smart networks.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 45 contacts → | ||||
Indirect evidence “Ready to turn your organization into a frontrunner?” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 18 contacts → | ||||
Partial evidence “DongIT is an independent web security and web development company specializing in penetration testing, secure software development, and custom-built web applications.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 14 contacts → | ||||
Strong evidence “Base is a niche consultancy & managed security solutions provider, offering services enabling organizations, and professionals, to build knowledge & capabilities in information…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 13 contacts → | ||||
Partial evidence “Lankhof Beveiliging & Telecom is gespecialiseerd in het ontwerpen, aanleggen en onderhouden van beveiliging- en telecommunicatiesystemen bij zowel bedrijven, particulieren en…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 13 contacts → | ||||
Strong evidence “CyberPeak supports organizations in structurally setting up, securing, and managing their network and cybersecurity environments.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 12 contacts → | ||||
Partial evidence “Dentech heeft afgelopen jaren een enorme groei doorgemaakt en is sinds 2001 actief bij bedrijven en particulieren op het gebied van telecommunicatie en beveiliging.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 10 contacts → | ||||
Indirect evidence “Protelco is anders.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 10 contacts → | ||||
Partial evidence “Met ruim 25 jaar ervaring in de telecom sector is NTS specialist in het bekabelen, installeren en testen van telecom apparatuur en data componenten.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 9 contacts → | ||||
Indirect evidence “Since 2008, Lantack has been passionately dedicated to providing high-quality services that help businesses operate more efficiently, securely, and seamlessly.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 8 contacts → | ||||
Partial evidence “BenN Telecomconsulting is hét kompas voor organisaties die hun telefonie- en datanetwerken willen verbeteren.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 7 contacts → | ||||
Partial evidence “Soteryan is a leading provider of cybersecurity consultancy and service solutions.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 5 contacts → | ||||
Indirect evidence “Het internet ontvouwt zich sinds de jaren 90 in razendsnel tempo.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 4 contacts → | ||||
Indirect evidence “Het aanbod van providers van telefonie en leveranciers van (internet)verbindingen wordt steeds groter en complexer.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 4 contacts → | ||||
Partial evidence “KD Telematica is een service- en klantgerichte organisatie die bestaat uit vier gespecialiseerde disciplines op het gebied van Telecommunicatie, Datacommunicatie…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 4 contacts → | ||||
Partial evidence “Virtual Security is sinds 2007 actief als ICT-dienstverlener, sparringpartner, integrator en probleemoplosser voor klanten die zoeken naar innovatieve ICT-oplossingen voor de…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 3 contacts → | ||||
Indirect evidence “Cybersecurity en Informatie beveiliging.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 2 contacts → | ||||
Strong evidence “Pure Networks & Security is mainly a independent consulting company for networking and security.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 2 contacts → | ||||
Partial evidence “TeleCommunicatie ExpertsTeleCommunicatie Experts is niet een van de vele tele- communicatie bedrijven.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 2 contacts → | ||||
Strong evidence “Cortexia: Just Networks and Security Voor Cortexia is dit niet zomaar een slogan, het benadrukt de sterke focus op ons vakgebied en de manier waarop we onze klanten van dienst…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 1 contacts → | ||||
Strong evidence “We have over 25 years of experience in consultancy, design and training for Data and Telecommunication networks.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 1 contacts → | ||||
Indirect evidence “Advies, Ontwerp, Implementatie, Beheer en Ondersteuning van professioneel beveiligde computernetwerken, bekabeld en/of draadloos voor Onderwijsinstellingen, Zorginstellingen…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 1 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 1 contacts → | ||||
Strong evidence “Leveren van personeels diensten op het gebied van netwerk consultancy, netwerk architectuur en netwerk security.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 1 contacts → | ||||
Partial evidence “Cyber Consult is a privately owned company that provides independent information security consulting, advice, and coaching to government agencies and private sector companies…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: telecom network security consultants. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names telecom network security consultants.
- Partial evidence
- Its own public description names part of telecom network security consultants, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name telecom network security consultants. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 61 telecom network security consultants based in the Netherlands
See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 143 reachable decision-makers.
Free signup · no credit card
Telecom network security consultants based in the Netherlands at a glance
As of Sep 29, 2026Companies by employee count
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 61 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among telecom network security consultants, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in the Netherlands whose own description of what they do matches “telecom network security consultants”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names telecom network security consultants), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among telecom network security consultants, and records with no verified work email. Companies headquartered outside Netherlands are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 143 across the full list. 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 29, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names telecom network security consultants, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many telecom network security consultants are there based in the Netherlands?
RevenueBase identified 61 telecom network security consultants headquartered in the Netherlands as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Group 2000, headquartered in Almelo, tops this list with the largest team on record.
Which city has the most telecom network security consultants?
Amsterdam leads with 5 headquartered companies, followed by Almere (2) and Best (2).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 143 verified decision-maker contacts tracked across these 61 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 2026.
Ready to reach these companies? Verified emails and direct dials for all 61 telecom network security consultants based in the Netherlands. Start with a free account, no credit card.
Download this list →Related lists
Telecom network security consultants by geography
- Telecom network security consultants based in Melbourne, Australia
- Telecom network security consultants based in Rio De Janeiro, Brazil
- Telecom network security consultants based in Sao Paulo, Brazil
- Telecom network security consultants based in Toronto, Canada
- Telecom network security consultants based in Paris, France
- Telecom network security consultants based in London, United Kingdom
- Telecom network security consultants based in Austin, United States
- Telecom network security consultants based in Argentina
- Telecom network security consultants based in Australia
- Telecom network security consultants based in Belgium
- Telecom network security consultants based in Brazil
- Telecom network security consultants based in Canada
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 Smart Search, 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
- Telecom network security consultants based in Melbourne, Australia
- Telecom network security consultants based in Rio De Janeiro, Brazil
- Telecom network security consultants based in Sao Paulo, Brazil
- Telecom network security consultants based in Toronto, Canada
- Telecom network security consultants based in Paris, France
- Telecom network security consultants based in London, United Kingdom