Company lists · Data refreshed September 2026
Top 22 Security audit firms based in Sweden
RevenueBase identified 39 security audit firms headquartered in Sweden as of September 2026 and tracks 683 professional contacts across them, including 406 with verified work emails and 29 with mobile numbers. Stockholm is the largest hub.
This list covers security audit firms headquartered in Sweden, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, how directly it supports the match, and when it was last checked. Data refreshed September 6, 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 22 largest security audit firms based in Sweden
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 332 | ||||
“Prevent Breach & Minimize Impact” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 2 | 26 | ||||
“We lead the way in creative tech” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 3 | 14 | ||||
“Assureds konsulter är ledande utförare av offensiva cybersäkerhetstjänster och experter inom teknisk IT-säkerhet, som erbjuder penetrationstester, säkerhetsbedömningar och…” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 4 | 14 | ||||
“Sourcecom är din strategiska partner i säkerhetsfrågor och erbjuder specialiserade informationssäkerhetstjänster inom allt från riskhantering, revisioner och rådgivning till…” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 5 | 12 | ||||
“Venor was founded with the idea of providing companies, institutions, and organizations with high-quality services within the defensive IT security area.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 6 | 12 | ||||
“ANSVAR SÄKERHET är ditt säkerhets- och granskningsbolag när du ska handla upp tryggt, säkert och sunda leverantörer från stora byggprojekt till förvaltningstjänster men även…” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 7 | 7 | ||||
“The NCG is a trusted cybersecurity consulting firm that provides strategic solutions for businesses to safeguard from the ever-evolving landscape of cybersecurity threats.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 8 | 7 | ||||
“Techster Solutions är ett konsultbolag som erbjuder konsult och avancerade cybersäkerhetslösningar.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 9 | 6 | ||||
“Actalos hjälper företag att minska cyberrisk och bygga en säker digital närvaro.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 10 | 6 | ||||
“Företag som inte nöjer sig med standardlösningar väljer EnlightSec för att cybersäkra sin verksamhet!” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 11 | 6 | ||||
“Stressed over IT-security?” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 12 | 5 | ||||
“TrustNet was born in 2013 with the ambition to offer highly experienced and enthusiastic consultants to our customers.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 13 | 5 | ||||
“Kristensson is a leading consultancy specializing in IT, Information Security, Compliance, IT Security and Architecture.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 14 | 4 | ||||
“Cyloq is a cybersecurity company offering a range of security services tailored for businesses.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 15 | 3 | ||||
“Shelltrail is a cutting-edge offensive IT-security firm that prides itself on detailed assessments and top-notch customer satisfaction.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 16 | 3 | ||||
“Kirei a consultancy company with its main focus on information security management and network architectures.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 17 | 3 | ||||
“Lundqvists Revisionsbyrå i Västerås AB startades 1989 av Kent Lundqvist, auktoriserad revisor med över 30 års branscherfarenhet, bland annat från revisionsbyrån Grant Thornton…” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 18 | 2 | ||||
“Med vårt huvudkontor i det vackra Karlskoga är vi stolta över att betjäna kunder över hela landet.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 19 | 2 | ||||
“At SK Security, we are passionate about IT-Security and have dedicated our careers to elevating security standards for our customers through penetration tests.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 20 | 2 | ||||
“DarkCell AB was established in 2020 in Stockholm, Sweden.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 21 | BL RevisionIndirect evidence | 1 | |||
Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 22 | 1 | ||||
“0x4A was founded by Jesper Larsson and is a result of his lifelong curiosity for complexity.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
Showing 22 of 39 security audit firms based in Sweden
See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 406 reachable decision-makers.
Free signup · no credit card
Security audit firms based in Sweden at a glance
As of Sep 6, 2026Companies by employee count
Verified emails by last verification
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among security audit firms, so some rows will be adjacent to the category rather than pure plays. The description and evidence rating on every row are there so you can check each match yourself.
- 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
- Companies headquartered in Sweden whose own description of what they do matches “security audit firms”. Matching reads each company's description, not its industry code or its name.
- What we exclude
- Companies whose own description does not clearly place them among security audit firms, and records with no verified work email. Companies headquartered outside Sweden are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and an evidence rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 406 across the full list. 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 6, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Frequently asked
How many security audit firms are there based in Sweden?
RevenueBase identified 39 security audit firms headquartered in Sweden as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Truesec, headquartered in Denmark Suomi, tops this list with the largest team on record.
Which city has the most security audit firms?
Stockholm leads with 19 headquartered companies, followed by Asa (1) and Boras (1).
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 406 verified decision-maker contacts tracked across these 39 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 39 security audit firms based in Sweden. Start with a free account, no credit card.
Get the full listRelated lists
Security audit firms by geography
- Security audit firms based in the United States
- Security audit firms based in the United Kingdom
- Security audit firms based in France
- Security audit firms based in Canada
- Security audit firms based in Germany
- Security audit firms based in Brazil
- Security audit firms based in Australia
- Security audit firms based in the Netherlands
- Security audit firms based in Spain
- Security audit firms based in Poland
- Security audit firms based in South Africa
- Security audit firms based in Switzerland
Browse the directory
Browse: Companies home · All Sweden lists · All Security audit firms lists · New lists
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
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Security audit firms based in the United States
- Security audit firms based in the United Kingdom
- Security audit firms based in France
- Security audit firms based in Canada
- Security audit firms based in Germany
- Security audit firms based in Brazil