Ergon Informatik

Ergon Informatik is a Zurich software company founded in 1984. It develops custom software for clients in many industries, as well as its own standard products, among them the Airlock Secure Access Hub for application security, ZESAM for workforce management and CardX for payment authorisation.

The company has three locations in Zurich and an office in Frankfurt am Main. In fiscal year 2025 it reported revenue of CHF 80.3 million. In January 2026 the investment company Afinum became majority shareholder, buying the stake from founder Theodor Graf and long-standing shareholders. Management and many employees remain shareholders.