Company lists · Data verified August 2026

Top 14 Cybersecurity risk consulting firms based in Luxembourg

Name: Cybersecurity risk consulting firms based in Luxembourg
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 41 companies tracked

There are 41 cybersecurity risk consulting firms headquartered in Luxembourg (RevenueBase, August 2026). RevenueBase tracks 171 professional contacts across them, including 50 with verified work emails and 5 with mobile numbers. Luxembourg is the largest hub.

This list covers cybersecurity risk consulting firms headquartered in Luxembourg, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

41Companies

171Contacts tracked

50Verified emails

5Mobile numbers

Unlock all 41 companies Free account · no credit card · 2 minutes

The 14 largest cybersecurity risk consulting firms based in Luxembourg

Ranked by team size

Top 14 of 41 cybersecurity risk consulting firms based in Luxembourg, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Dartalis	Contern	11-50	22	15
2	F3c-Systems	Luxembourg	11-50	14	6
3	Adronh	Luxembourg	11-50	11	1
4	Snowball Technology	Leudelange	11-50	9	6
5	Cubic Consulting Sarl	Leudelange	1-10	9	4
6	IMRIM	Contern	1-10	8	4
7	Excellium Services	Luxembourg	51-200	8	1
8	Itrust Consulting S. À R. L	Niederanven	11-50	7	4
9	F3s	Steinfort	1-10	6	2
10	Rempart International	Howald	11-50	3	1
11	Opsman Consulting	Weiswampach Diekirch	1-10	3	1
12	Alzette Information Security	Luxembourg	1-10	2	2
13	Ogma Consulting	n/a	1-10	2	2
14	Linosec	Luxembourg	1-10	1	1

Showing 14 of 41 cybersecurity risk consulting firms based in Luxembourg

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 50 reachable decision-makers.

Free account · no credit card

See all 41 companies

Cybersecurity risk consulting firms based in Luxembourg at a glance

As of Aug 28, 2026

1-10Median size (employees)

LuxembourgLargest hub · 19 HQs

5Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

Cybersecurity risk consulting firms by metro

Metro	Companies
Cybersecurity risk consulting firms in Luxembourg	19
Cybersecurity risk consulting firms in Leudelange	2
Cybersecurity risk consulting firms in Esch-Sur-Alzette	2
Cybersecurity risk consulting firms in Contern	2
Cybersecurity risk consulting firms in Windhof	1
Cybersecurity risk consulting firms in Steinfort	1
Cybersecurity risk consulting firms in Flaxweiler Grevenmacher	1

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “cybersecurity risk consulting firms”, with match quality audited by blind human judging, and headquartered in Luxembourg.
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: Contact records re-verify on a rolling cadence; 1 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many cybersecurity risk consulting firms are there based in Luxembourg?

There are 41 cybersecurity risk consulting firms headquartered in Luxembourg as of August 2026 (RevenueBase).

What is the largest company on this list?

Dartalis, headquartered in Contern, tops this list with the largest team on record.

Which city has the most cybersecurity risk consulting firms?

Luxembourg leads with 19 headquartered companies, followed by Leudelange (2) and Esch-Sur-Alzette (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 50 verified decision-maker contacts tracked across these 41 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

Ready to reach these companies? Verified emails and direct dials for all 41 cybersecurity risk consulting firms based in Luxembourg. Start with a free account, no credit card.

Get the full list

Related lists

Cybersecurity risk consulting firms by geography

Browse the directory

Browse: Companies home · All Luxembourg lists · All Cybersecurity risk consulting firms lists · New lists

About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.