Enabling Green Economy

Grexel Systems Ltd provides core business infrastructure solutions and services for tradable green certificate markets and environmental banking. Our full-service package includes central registry system provision, issuing body services, market design and regulatory development as well as renewable energy support scheme design.

Grexel’s customers include government bodies and other organizations mandated to arrange the issuing and trade of environmental commodities, such as Guarantees of Origin or green certificates. Our customers also include Market Actors managing environmental commodities, such as carbon credits and energy certificates.



Transmission system operators, energy agencies, power companies

Key markets


Key figures

Turnover: EUR 2,5 million
Employees: ~20