Cybersecurity companies in Sweden
8 companies in the directory are based in Sweden. 7 are vendors and 1 is a service firm. Of these, 2 are public companies and 2 belong to another company or an investor.
The list runs largest first. We rank by revenue from annual reports where a listed company files one, then by staff numbers. Companies with no revenue or staff figure come last.
8 companies, largest first
| Company | Category | Size | Ownership |
|---|---|---|---|
 Sectra Sectra provides medical imaging IT and cybersecurity solutions for healthcare and critical infrastructure. | Encryption and key management | 500 staff | Public, SECT-B |
 Assured Security Consultants Gothenburg consultancy testing ECUs, vehicle buses, telematics and OTA pipelines, and advising on R155 and ISO 21434. | Penetration testing | Private | |
 Clavister Clavister is a Swedish cybersecurity company that develops, tests and supports all its technology in Sweden. | Firewalls | Public, CLAV | |
 Reversec Reversec provides cybersecurity consulting services, including penetration testing and resilience development. | Penetration testing | Private | |
 Ansvar Systems AB Ansvar Systems AB provides evidence and validation infrastructure for AI agents in regulated work. | GRC and compliance automation | Private | |
 Holm Security Holm Security provides a platform for vulnerability management and attack surface management. | Vulnerability management | Private | |
 Outpost24 Exposure management platform with vulnerability management, external attack surface management, application security testing, pen testing as a service and digital risk protection. | Vulnerability management | Owned by Vitruvian Partners | |
 Yubico Yubico makes hardware security keys for authentication and access control. | MFA and passwordless authentication | Owned by ACQ Bure AB |