Company lists · Data verified August 2026

Top 18 Cybersecurity consulting companies based in Norway

Name: Cybersecurity consulting companies based in Norway
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 45 companies tracked

There are 45 cybersecurity consulting companies headquartered in Norway (RevenueBase, August 2026). RevenueBase tracks 648 professional contacts across them, including 115 with verified work emails and 43 with mobile numbers. Oslo is the largest hub.

This list covers cybersecurity consulting companies headquartered in Norway, 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.

45Companies

648Contacts tracked

115Verified emails

43Mobile numbers

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The 18 largest cybersecurity consulting companies based in Norway

Ranked by team size

Top 18 of 45 cybersecurity consulting companies based in Norway, 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	Defendable	Fredrikstad	51-200	85	40
2	EMP Secure	Nesttun	51-200	74	1
3	Omegapoint Norge	n/a	51-200	50	12
4	Sicra AS	Oslo	11-50	36	23
5	Ivolv Cybersecurity	Sandnes	11-50	22	10
6	Bluetree AS	n/a	11-50	18	10
7	Nemko System Sikkerhet AS	Arendal	1-10	8	3
8	Houmb AS	Brumunddal	1-10	7	1
9	Sorasec	Oslo	1-10	6	4
10	Cloudworks	n/a	11-50	5	2
11	Peer Consulting AS	Oslo	1-10	3	2
12	Absec Absolute Security	Oslo	1-10	2	1
13	Antares AS	Oslo	1-10	2	1
14	Crosspoint Labs	n/a	11-50	1	1
15	Scare AS	Vinterbro	1-10	1	1
16	Northwall	Sandefjord	1-10	1	1
17	Easywave	Oslo	1-10	1	1
18	Amplio Group AS	Oslo	1-10	1	1

Showing 18 of 45 cybersecurity consulting companies based in Norway

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Cybersecurity consulting companies based in Norway at a glance

As of Aug 28, 2026

1-10Median size (employees)

OsloLargest hub · 17 HQs

43Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

Cybersecurity consulting companies by metro

Metro	Companies
Cybersecurity consulting companies in Oslo	17
Cybersecurity consulting companies in Fredrikstad	2
Cybersecurity consulting companies in Fornebu	2
Cybersecurity consulting companies in Trondheim	2
Cybersecurity consulting companies in Sandnes	2
Cybersecurity consulting companies in Vinterbro	1
Cybersecurity consulting companies in Vikersund	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 consulting companies”, with match quality audited by blind human judging, and headquartered in Norway.
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; 0 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 consulting companies are there based in Norway?

There are 45 cybersecurity consulting companies headquartered in Norway as of August 2026 (RevenueBase).

What is the largest company on this list?

Defendable, headquartered in Fredrikstad, tops this list with the largest team on record.

Which city has the most cybersecurity consulting companies?

Oslo leads with 17 headquartered companies, followed by Fredrikstad (2) and Fornebu (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 115 verified decision-maker contacts tracked across these 45 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.

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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.