Company lists · Data refreshed November 2026

Top 21 Telecommunications security services based in Denmark

RevenueBase identified 60 company matches for telecommunications security services associated with Denmark as of November 2026 and tracks 943 professional contacts across them, including 234 with verified work emails. Copenhagen is the largest hub.

This list covers company matches for telecommunications security services associated with Denmark, 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 5, 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 5, 2026 How this list was built
60Companies
943Contacts tracked
234Verified emails
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The 21 largest telecommunications security services based in Denmark

Ranked by team size
Top 21 of 60 company matches for telecommunications security services based in Denmark, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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 matchGlostrup, DenmarkHQ recorded Nov 5, 20261,001-5,000472 contacts →

Exact match

“Securitas A/S er det danske selskab i en af verdens førende sikkerhedskoncerner, Securitas AB.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchBrøndby, DenmarkHQ recorded Nov 5, 202651-20067 contacts →

Exact match

“Vasik er et større kvalitetsbevist vagtselskab, der går op i medarbejder trivsel, og tilfredse kunder.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchLille Skensved, DenmarkHQ recorded Nov 5, 202611-5036 contacts →

Exact match

“TD-K A/S have a large palette of solutions for Telecommunications, Hosting services, Service & Support, IP Connection-platforms, Internet & VPN, Mobile telephony, IT, Monitoring…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchKlampenborg, DenmarkHQ recorded Nov 5, 202611-5027 contacts →

Exact match

“We ensure your traffic is optimized, inspected, and secured.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchSønderborg, DenmarkHQ recorded Nov 5, 20261-1025 contacts →

Exact match

“Gidion er en førende teknologivirksomhed, der skiller sig ud fra konkurrenterne med vores ekspertise og dybe forståelse inden for IT, sikkerhed og telefoni.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchCopenhagen, DenmarkHQ recorded Nov 5, 202611-5019 contacts →

Exact match

“Mejlshede Group is primarily a service company in the security industry.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchHårlev, DenmarkHQ recorded Nov 5, 20261-1018 contacts →

Exact match

“AH Consult ApS har mange års erfaring med netværkssikkerhed og påtager os ofte opgaver, der skal sikre alle komponenter i en IT-infrastruktur.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchVærløse, DenmarkHQ recorded Nov 5, 202611-5013 contacts →

Exact match

“Cyber Event & Threat Assessors (CETA), offers advisory, services & solutions within cyber security.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchSæby, DenmarkHQ recorded Nov 5, 20261-1012 contacts →

Exact match

“Hvornår har du sidst tjekket dine forsikringskrav?”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchFrederiksværk, DenmarkHQ recorded Nov 5, 202611-507 contacts →

Exact match

“Når sikkerhed bliver en tillidssag" er vort motto og vi tager det meget bogstaveligt.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchSkødstrup, DenmarkHQ recorded Nov 5, 20261-105 contacts →

Exact match

“We are a young and energetic company that was established in 2011, but despite of that we have over 15-years of experience in the security and electronics industry.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchViby J, DenmarkHQ recorded Nov 5, 202611-505 contacts →

Exact match

“2C Networks - Clarity in a complex world.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchCopenhagen, DenmarkHQ recorded Nov 5, 202611-505 contacts →

Exact match

“Security & Risk Management”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchLøgstør, DenmarkHQ recorded Nov 5, 20261-105 contacts →

Exact match

“I Riel Sikring er vi et firma, der sætter god kundeservice, kvalitetsprodukter og gennemsigtighed for dig som kunde i spidsen for alt vores arbejde.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchRødovre, DenmarkHQ recorded Nov 5, 20261-104 contacts →

Exact match

“Wegges Låse & Sikring er et sikringsfirma, som beskæftiger sig med al arbejde inden for sikringsbranchen.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchKolding, DenmarkHQ recorded Nov 5, 202611-504 contacts →

Exact match

“TeamIT er en højt certificeret IT-totalleverandør med hovedfokus på netværk og IT-sikkerhed.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchKøbenhavn, DenmarkHQ recorded Nov 5, 20261-103 contacts →

Exact match

“Vi er et fleksibelt team af professionelle, i stand til at tackle de sværeste udfordringer.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchKøbenhavn V, DenmarkHQ recorded Nov 5, 20261-102 contacts →

Exact match

“Professional and flexible It-security solutions and services.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchNykøbing Mors, DenmarkHQ recorded Nov 5, 20261-102 contacts →

Exact match

“Idano Sikring er en 100% privatejet sikringsvirksomhed og kan med mere end 12 års erfaring tilbyde markedets mest moderne og anerkendte sikringsløsninger.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchSilkeborg, DenmarkHQ recorded Nov 5, 20261-102 contacts →

Exact match

“ITREA - SPECIALISTER I IT-INFRASTRUKTUR Itrea er en IT-konsulentvirksomhed med speciale inden for installation, opsætning og drift af IT og telefoni i private virksomheder og på…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchCopenhagen, DenmarkHQ recorded Nov 5, 20261-101 contacts →

Exact match

“At Ready IT we specialize in IT security.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 21 of 60 telecommunications security services based in Denmark

See the full list, filter by size, metro and specialty, and access 234 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Telecommunications security services based in Denmark at a glance

As of Nov 5, 2026
24.8%Verified-email coverage
15.7Average contacts per company
1-10Median size (employees)
10.0%Largest-city concentration · Copenhagen
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
36
11-50
17
51-200
3
201-500
1
501-1,000
1
1,001-5,000
2

Email recency for this list is measured worldwide rather than for Denmark, so it is reported there. Company counts and contact totals on this page are exact for Denmark, over 60 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 Denmark whose business descriptions match “telecommunications security 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 234 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 5, 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 “telecommunications security services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many telecommunications security services are there based in Denmark?

RevenueBase identified 60 company matches for telecommunications security services associated with Denmark 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?

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

Which city has the most telecommunications security services?

Copenhagen leads with 6 company records, followed by Denmark (2) and Odense So (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 234 professional contacts with verified work emails tracked across these 60 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 5, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.