11 Security companies in Estonia
11 Security companies in Estonia with 11 founders and decision-makers, led by Tallinn. Updated 2026-10-03.
Key findings
- FindMeMail tracks 11 Security companies in Estonia, with 11 founders and decision-makers listed.
- Tallinn is the top city, with 10 of them (91%), followed by Tartu (1).
- The most common team size is 1-10 employees (100% of companies).
- 11 (100%) were founded in the last three years.
Breakdown
Top cities
- Tallinn: 10 (91%)
- Tartu: 1 (9%)
Team size (employees)
- 1-10: 11 (100%)
Founded (last 10 years)
- 2025: 8 (73%)
- 2026: 3 (27%)
Recently added Security companies in Estonia
- Gaterix — Tallinn, Estonia: Gaterix develops software for smart access control, turning mobile devices into digital keys and managing secure entry and attendance.
- Apsert OÜ — Tartu, Estonia: Apsert develops custom scalable software systems focused on reliability, security, and extensibility.
- Liberty Ledger — Tallinn, Estonia: Liberty Ledger provides a decentralized platform for secure, anonymous digital identity verification and civic participation.
- CLU Systems OÜ — Tallinn, Estonia: CLU Systems develops AI-driven cybersecurity tools and provides programming and related IT consultation services.
- NIST Security Services OÜ — Tallinn, Estonia: NIST Security Services is a managed security and cybersecurity services provider offering SOC, MDR, consulting, and outsourcing.
- Devarch — Tallinn, Estonia: Devarch provides software engineering, architecture consulting, and AI-enabled web and mobile development services.
- Brivio Advisory — Tallinn, Estonia: Brivio Advisory provides technology infrastructure and capital-raising advisory services for startups and technology companies.
- Christian Bueger — Tallinn, Estonia: Christian Bueger Consulting OÜ provides consulting and research services on maritime security, geopolitical risk, and ocean governance.
- Merivald — Tallinn, Estonia: Merivald builds AI-driven content moderation models, safety infrastructure, and trust tools for digital platforms.
- SecureSpells — Tallinn, Estonia: SecureSpells scans websites for cookies, trackers & privacy risks that give compliance scores, report issues, & offer continuous monitoring.
- SimpliDo — Tallinn, Estonia: SimpliDo is an IT services company that provides cybersecurity services, IT audits, and conformance assessment for organizations.
Browse and filter all 11 companies
Frequently asked questions
How many Security companies in Estonia are there?
FindMeMail currently lists 11 Security companies in Estonia with at least one founder or decision-maker identified. The count updates daily as new companies are added.
Where are most Security companies in Estonia based?
Tallinn (10), Tartu (1).
How do I contact founders of Security companies in Estonia?
FindMeMail lists the founders and decision-makers of these companies; use the Email Finder to look up and verify their emails. Create a free account to get 50 free reveals, then buy one-time credit packs from $12.
Related reports
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- Artificial Intelligence (AI) companies in Estonia (59)
- Consulting companies in Estonia (56)
- Enterprise Software companies in Estonia (41)
- Security companies in United Kingdom (32)
- Education companies in Estonia (31)
- Retail companies in Estonia (30)
- E-Commerce companies in Estonia (29)
- Information Technology companies in Estonia (27)
- SaaS companies in Estonia (27)
- Cloud Computing companies in Estonia (21)
Methodology: counts include companies in the FindMeMail database with at least one identified founder or decision-maker. Data refreshes automatically as new companies are added.