Company lists · Data verified August 2026

Top 14 Cybersecurity companies based in Oslo, Norway

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

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

Our directory lists 28 cybersecurity companies based in Oslo, Norway, with 426 professional contacts and 131 email addresses. The list was last updated in August 2026, and Oslo is the single most-represented city among the companies listed.

Cybersecurity companies provide products and services that protect systems, networks, applications, devices, and data from unauthorized access, disruption, or misuse. This list covers companies that provide cybersecurity products, services, consulting, assessments, monitoring, incident response, or related protection for digital systems and data. Ranked by team size, largest first. Data current as of August 28, 2026.

28Companies

426Contacts tracked

131Verified emails

23Mobile numbers

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The 14 largest cybersecurity companies based in Oslo, Norway

Ranked by team size

Top 14 of 28 cybersecurity companies based in Oslo, 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	Pistachio	Oslo	51-200	82	40
2	OMNY	Oslo	11-50	42	26
3	Sicra AS	Oslo	11-50	36	23
4	Semac AS	Oslo	11-50	33	15
5	Eyasys AS	Oslo	11-50	14	11
6	Norma Cyber	Oslo	11-50	11	4
7	Sorasec	Oslo	1-10	6	4
8	Fence AS	Oslo	1-10	5	2
9	Painkiller	Oslo	11-50	3	1
10	Privicore	Oslo	11-50	3	1
11	Absec Absolute Security	Oslo	1-10	2	1
12	Antares AS	Oslo	1-10	2	1
13	Amplio Group AS	Oslo	1-10	1	1
14	Easywave	Oslo	1-10	1	1

Showing 14 of 28 cybersecurity companies based in Oslo, Norway

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Cybersecurity companies based in Oslo, Norway at a glance

As of Aug 28, 2026

1-10Median size (employees)

OsloLargest hub · 28 HQs

23Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

Cybersecurity companies by metro in Norway

Metro	Companies
Cybersecurity companies in Oslo	28
Cybersecurity companies in Trondheim	4
Cybersecurity companies in Sandefjord	3
Cybersecurity companies in Fornebu	3
Cybersecurity companies in Fredrikstad	2
Cybersecurity companies in Sandnes	2
Cybersecurity companies in Bergen	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 companies”, with match quality audited by blind human judging, and headquartered in Oslo, 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 companies are in the directory?

The directory lists 28 cybersecurity companies based in Oslo, Norway.

Which city has the most cybersecurity companies?

Oslo is the single most-represented city among the cybersecurity companies on the list.

How many contacts are available for cybersecurity companies?

The directory includes 426 professional contacts and 131 email addresses for the listed cybersecurity companies.

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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.