Current portfolio

Open Systems

Open Systems is one of the leading SASE (Secure Access Service Edge) and Cyber Security as-a-service providers in Europe and the US

Open Systems secures and monitors IT networks and business-critical applications for global enterprises, NGOs and institutions.

  • Sector
  • Country
  • Responsible Advisor
    Florian Funk
  • Fund
    EQT Mid Market Europe
  • Entry
  • Web

Private Capital

Open Systems

  • Societal Contribution

  • 9Industry, innovation and infrastructure
  • 16Peace, justice and strong institutions

About Open Systems

Founded in 1990 by Florian Gutzwiller in Basel, Switzerland, Open Systems has achieved consistent sustainable growth and transitioned from a security integrator and Managed Security Services Providers (MSSP) into a leading SASE (Secure Access Service Edge) and Security as-a-service provider in Europe and the US. The Company protects its customers by fully integrating SD-WAN, Network Security, Web and Application Security as well as Incident Handling and Response. Headquartered in Zurich, Switzerland, Open Systems currently operates in more than 180 countries, with operations centers in Zurich and Sydney, and offices in Redwood City (CA) and New York City (NY).

Market trends and drivers

The investment in Open Systems provides access to the rapidly growing SASE (Secure Access Service Edge) and Security as-a-service market at an inflection point, benefitting from strong secular growth drivers: i) increased regulations, ii) lack of in-house security IT capabilities, iii) a more complex cyber threat environment, and iv) increased use of mobile devices, force organizations to outsource cyber security tasks.

Open Systems is able to address those challenges best by offering an end-to-end cyber security solution, tailored to the organizations’ individual needs.

Investment potential

EQT Mid Market Europe is excited to support the continued growth of Open Systems across both its existing products and Swiss home market as well as to actively pursue new growth opportunities. Particular focus will be on strengthening the Company’s go-to-market approach and continue its internationalization into Germany and the United States. In addition, it is intended to actively pursue synergistic M&A in a fragmented market.

Board of directors

  • Chairperson
    Bernd-Michael Rumpf
  • Board member
    Florian Funk
  • Board member
    Michael Fey
  • Board member
    Maggie Chan
  • Board member
    Martin Bosshardt


  • CEO
    Geoff Haydon
  • CFO
    Andreas Seidl