Company lists · Data refreshed September 2026
Top 18 Cybersecurity firms based in Oslo, Norway
RevenueBase identified 29 company matches for cybersecurity firms associated with Oslo, Norway as of September 2026 and tracks 878 professional contacts across them, including 282 with verified work emails and 31 with mobile numbers. Across Norway, Oslo is the largest hub for this category.
This list covers company matches for cybersecurity firms associated with Oslo, Norway, 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 September 10, 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.
The 18 largest cybersecurity firms based in Oslo, Norway
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 345 contacts → | ||||
Exact match “With offices in Oslo, Stavanger, Trondheim, Stockholm, Copenhagen, Utrecht and London, we deliver cybersecurity services across Europe.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 2 | 138 contacts → | ||||
Exact match “Netsecurity is a dedicated cyber security company that helps companies before, during and after an attack.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 3 | 84 contacts → | ||||
Exact match “At Defendable we have made it our mission to help make you and your company just that: defendable.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 4 | 83 contacts → | ||||
Exact match “Pistachio: Human Cyber Risk Management for Lean IT Teams Manage human cyber risk without adding workload.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 5 | 43 contacts → | ||||
Exact match “Omny protects industrial companies against cybersecurity threats by providing both holistic visibility into Operational Technology (OT) environments.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 6 | 36 contacts → | ||||
Exact match “Sicra ble grunnlagt i Norge i 2016 med en tydelig overbevisning: God forretning krever god sikkerhet.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 7 | 33 contacts → | ||||
Exact match “Creating a Trusted and Secure Workforce.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 8 | 30 contacts → | ||||
Exact match “Introducing River Security's Offensive Security Operations Center: Pioneering Attack Surface Management and Continuous Penetration Testing.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 9 | 14 contacts → | ||||
Exact match “Eyasys provides complete solutions in the crossroads of security, software and hardware.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 10 | 11 contacts → | ||||
Exact match “The Nordic Maritime Cyber Resilience Centre - NORMA Cyber provides centralised functions and services for its members such as threat intelligence, incident and crisis response.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 11 | 6 contacts → | ||||
Exact match “We are a team of certified security experts that are passionate about providing the best possible security service.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 12 | 5 contacts → | ||||
Exact match “Vår kjernevirksomhet er sikkerhetstesting og SOC-tjenester.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 13 | 3 contacts → | ||||
Exact match “Painkiller AS er et nystartet og norskeiet cybersecurityselskap med ambisjoner.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 14 | 3 contacts → | ||||
Exact match “Beyond Breach – Where Your Data Stays Yours, Forever Secure Once your device has been hacked, it can be continually exposed to security threats.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 15 | 2 contacts → | ||||
Exact match “Cyber Security spesialists, reselling security products and deliver high-end security consultancy, and specialists monitor and reporting services.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 16 | 2 contacts → | ||||
Exact match “Freelancer - Cyber and information security” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 17 | 2 contacts → | ||||
Exact match “Secunor tilbyr en rekke tjenester innen cybersikkerhet og beredskap, fra teknisk/taktisk til strategisk nivå – før, under og etter krise.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
| 18 | 1 contacts → | ||||
Exact match “Cybersecurity advisory and consulting.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “cybersecurity firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 18 of 29 cybersecurity firms based in Oslo, Norway
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Cybersecurity firms based in Oslo, Norway at a glance
As of Sep 10, 2026Companies by employee count
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 13.0dCompany record updated
Median 62.0dHow 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 Oslo, Norway whose business descriptions match “cybersecurity firms” 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 282 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 September 10, 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 “cybersecurity firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many cybersecurity firms are there based in Oslo, Norway?
RevenueBase identified 29 company matches for cybersecurity firms associated with Oslo, Norway as of September 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?
Mnemonic tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in Norway has the most cybersecurity firms?
Oslo leads Norway with 26 company records, followed by Fornebu (3) and Trondheim (3).
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 282 professional contacts with verified work emails tracked across these 29 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 September 10, 2026.
Ready to reach these companies? Verified emails and direct dials for all 29 cybersecurity firms based in Oslo, Norway. Start with a free account, no credit card.
Download this list →Related lists
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- Cybersecurity firms based in Spain
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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.
More company lists
Company intelligence · public preview
Top 18 cybersecurity firms based in Oslo, Norway
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 29 matching company records for cybersecurity firms based in Oslo, Norway, with 878 tracked contacts and 282 verified work emails.
This public preview shows 18 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 10, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 18 cybersecurity firms based in Oslo, Norway
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Mnemonicmnemonic.ioHQ: Oslo, NorwayReported employees: 201-500 | Oslo, Norway | 201-500 | Exact match | 345 contacts → |
“With offices in Oslo, Stavanger, Trondheim, Stockholm, Copenhagen, Utrecht and London, we deliver cybersecurity services across Europe.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Netsecuritynetsecurity.noHQ: Oslo, NorwayReported employees: 51-200 | Oslo, Norway | 51-200 | Exact match | 138 contacts → |
“Netsecurity is a dedicated cyber security company that helps companies before, during and after an attack.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Defendabledefendable.noHQ: Oslo, NorwayReported employees: 51-200 | Oslo, Norway | 51-200 | Exact match | 84 contacts → |
“At Defendable we have made it our mission to help make you and your company just that: defendable.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Pistachiopistachioapp.comHQ: Oslo, NorwayReported employees: 51-200 | Oslo, Norway | 51-200 | Exact match | 83 contacts → |
“Pistachio: Human Cyber Risk Management for Lean IT Teams Manage human cyber risk without adding workload.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  OMNYomnysecurity.comHQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 43 contacts → |
“Omny protects industrial companies against cybersecurity threats by providing both holistic visibility into Operational Technology (OT) environments.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Sicra ASsicra.noHQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 36 contacts → |
“Sicra ble grunnlagt i Norge i 2016 med en tydelig overbevisning: God forretning krever god sikkerhet.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Semac ASsemac.noHQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 33 contacts → |
“Creating a Trusted and Secure Workforce.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  River Securityriversecurity.euHQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 30 contacts → |
“Introducing River Security's Offensive Security Operations Center: Pioneering Attack Surface Management and Continuous Penetration Testing.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Eyasys ASeyasys.noHQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 14 contacts → |
“Eyasys provides complete solutions in the crossroads of security, software and hardware.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Norma Cybernormacyber.noHQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 11 contacts → |
“The Nordic Maritime Cyber Resilience Centre - NORMA Cyber provides centralised functions and services for its members such as threat intelligence, incident and crisis response.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Sorasecsorasec.comHQ: Oslo, NorwayReported employees: 1-10 | Oslo, Norway | 1-10 | Exact match | 6 contacts → |
“We are a team of certified security experts that are passionate about providing the best possible security service.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Fence ASfence.noHQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 5 contacts → |
“Vår kjernevirksomhet er sikkerhetstesting og SOC-tjenester.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Painkillerpainkiller.noHQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 3 contacts → |
“Painkiller AS er et nystartet og norskeiet cybersecurityselskap med ambisjoner.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Privicoreprivicore.comHQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 3 contacts → |
“Beyond Breach – Where Your Data Stays Yours, Forever Secure Once your device has been hacked, it can be continually exposed to security threats.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Absec Absolute Securityabsec.noHQ: Oslo, NorwayReported employees: 1-10 | Oslo, Norway | 1-10 | Exact match | 2 contacts → |
“Cyber Security spesialists, reselling security products and deliver high-end security consultancy, and specialists monitor and reporting services.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Antares ASantares.noHQ: Oslo, NorwayReported employees: 1-10 | Oslo, Norway | 1-10 | Exact match | 2 contacts → |
“Freelancer - Cyber and information security” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Secunorsecunor.noHQ: Oslo, NorwayReported employees: 1-10 | Oslo, Norway | 1-10 | Exact match | 2 contacts → |
“Secunor tilbyr en rekke tjenester innen cybersikkerhet og beredskap, fra teknisk/taktisk til strategisk nivå – før, under og etter krise.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Amplio Group ASamplio.coHQ: Oslo, NorwayReported employees: 1-10 | Oslo, Norway | 1-10 | Exact match | 1 contacts → |
“Cybersecurity advisory and consulting.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 18 of 29 company matches
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Cybersecurity firms: dataset insights
September 10, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
29 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 13.0dCompany record updated
Median 62.0dHow this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 10, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for cybersecurity firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many cybersecurity firms did RevenueBase find based in Oslo, Norway?
The saved snapshot records 29 matching company records, 878 tracked contacts and 282 verified emails. The public preview displays 18 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 10, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Cybersecurity firms by geography
- Cybersecurity firms based in the United States
- Cybersecurity firms based in the United Kingdom
- Cybersecurity firms based in France
- Cybersecurity firms based in Canada
- Cybersecurity firms based in Brazil
- Cybersecurity firms based in Australia
- Cybersecurity firms based in Germany
- Cybersecurity firms based in Spain
- Cybersecurity firms based in the Netherlands
- Cybersecurity firms based in Italy
- Cybersecurity firms based in Israel
- Cybersecurity firms based in Mexico
Cite this list
RevenueBase Data Team. Top 18 cybersecurity firms based in Oslo, Norway. Snapshot: September 10, 2026. https://revenuebase.ai/companies/cybersecurity-firms/norway/oslo.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 18 cybersecurity firms based in Oslo, Norway
RevenueBase records 29 matching company records for cybersecurity firms based in Oslo, Norway, with 878 tracked contacts and 282 verified work emails.
This public preview shows 18 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 10, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 18 cybersecurity firms based in Oslo, Norway
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Mnemonicmnemonic.io HQ: Oslo, NorwayReported employees: 201-500 | Oslo, Norway | 201-500 | Exact match | 345 contacts → |
“With offices in Oslo, Stavanger, Trondheim, Stockholm, Copenhagen, Utrecht and London, we deliver cybersecurity services across Europe.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Netsecuritynetsecurity.no HQ: Oslo, NorwayReported employees: 51-200 | Oslo, Norway | 51-200 | Exact match | 138 contacts → |
“Netsecurity is a dedicated cyber security company that helps companies before, during and after an attack.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Defendabledefendable.no HQ: Oslo, NorwayReported employees: 51-200 | Oslo, Norway | 51-200 | Exact match | 84 contacts → |
“At Defendable we have made it our mission to help make you and your company just that: defendable.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Pistachiopistachioapp.com HQ: Oslo, NorwayReported employees: 51-200 | Oslo, Norway | 51-200 | Exact match | 83 contacts → |
“Pistachio: Human Cyber Risk Management for Lean IT Teams Manage human cyber risk without adding workload.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | OMNYomnysecurity.com HQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 43 contacts → |
“Omny protects industrial companies against cybersecurity threats by providing both holistic visibility into Operational Technology (OT) environments.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Sicra ASsicra.no HQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 36 contacts → |
“Sicra ble grunnlagt i Norge i 2016 med en tydelig overbevisning: God forretning krever god sikkerhet.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Semac ASsemac.no HQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 33 contacts → |
“Creating a Trusted and Secure Workforce.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | River Securityriversecurity.eu HQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 30 contacts → |
“Introducing River Security's Offensive Security Operations Center: Pioneering Attack Surface Management and Continuous Penetration Testing.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Eyasys ASeyasys.no HQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 14 contacts → |
“Eyasys provides complete solutions in the crossroads of security, software and hardware.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Norma Cybernormacyber.no HQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 11 contacts → |
“The Nordic Maritime Cyber Resilience Centre - NORMA Cyber provides centralised functions and services for its members such as threat intelligence, incident and crisis response.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Sorasecsorasec.com HQ: Oslo, NorwayReported employees: 1-10 | Oslo, Norway | 1-10 | Exact match | 6 contacts → |
“We are a team of certified security experts that are passionate about providing the best possible security service.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Fence ASfence.no HQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 5 contacts → |
“Vår kjernevirksomhet er sikkerhetstesting og SOC-tjenester.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Painkillerpainkiller.no HQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 3 contacts → |
“Painkiller AS er et nystartet og norskeiet cybersecurityselskap med ambisjoner.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Privicoreprivicore.com HQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 3 contacts → |
“Beyond Breach – Where Your Data Stays Yours, Forever Secure Once your device has been hacked, it can be continually exposed to security threats.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Absec Absolute Securityabsec.no HQ: Oslo, NorwayReported employees: 1-10 | Oslo, Norway | 1-10 | Exact match | 2 contacts → |
“Cyber Security spesialists, reselling security products and deliver high-end security consultancy, and specialists monitor and reporting services.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Antares ASantares.no HQ: Oslo, NorwayReported employees: 1-10 | Oslo, Norway | 1-10 | Exact match | 2 contacts → |
“Freelancer - Cyber and information security” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Secunorsecunor.no HQ: Oslo, NorwayReported employees: 1-10 | Oslo, Norway | 1-10 | Exact match | 2 contacts → |
“Secunor tilbyr en rekke tjenester innen cybersikkerhet og beredskap, fra teknisk/taktisk til strategisk nivå – før, under og etter krise.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Amplio Group ASamplio.co HQ: Oslo, NorwayReported employees: 1-10 | Oslo, Norway | 1-10 | Exact match | 1 contacts → |
“Cybersecurity advisory and consulting.” Recorded description excerpt · September 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 18 of 29 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Cybersecurity firms: dataset insights
September 10, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
29 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 13.0dCompany record updated
Median 62.0dHow this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 10, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for cybersecurity firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many cybersecurity firms did RevenueBase find based in Oslo, Norway?
The saved snapshot records 29 matching company records, 878 tracked contacts and 282 verified emails. The public preview displays 18 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 10, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Cybersecurity firms by geography
- Cybersecurity firms based in the United States
- Cybersecurity firms based in the United Kingdom
- Cybersecurity firms based in France
- Cybersecurity firms based in Canada
- Cybersecurity firms based in Brazil
- Cybersecurity firms based in Australia
- Cybersecurity firms based in Germany
- Cybersecurity firms based in Spain
- Cybersecurity firms based in the Netherlands
- Cybersecurity firms based in Italy
- Cybersecurity firms based in Israel
- Cybersecurity firms based in Mexico
Cite this list
RevenueBase Data Team. Top 18 cybersecurity firms based in Oslo, Norway. Snapshot: September 10, 2026. https://revenuebase.ai/companies/cybersecurity-firms/norway/oslo.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗