Brief Overview

Emsisoft keeps Windows computers free from malicious and unwanted software, and prevents phishing and ransomware attacks.


Emsisoft GmbH
Mamoosweg 14
Thalgau, 5303


Christian Mairoll, Founder, Managing Director, and CEO of Emsisoft, named his company after his initials spoken phonetically backward.


Christian Mairoll founded Emsisoft in 2003 as a 100% virtual company with employees located in countries around the world. The company celebrates its lack of a headquarters location and freedom for employees.

Key Competitors

Avira, McAfee , Symantec, Trend Micro

Products and Services

Emsisoft provides free and commercial anti-malware solutions for home and business users that provide the following features:

• Malware scanning using the a-squared scanner
• Surf and phish protection via behavioral monitoring
• Internet security features including firewall/host intrusion prevention (HIPS)
• Mobile security for Android
• Anti-Ransomware

Solutions are available as a packaged bundle, as well as for business enterprise servers.