COMmeto cooperates with other companies to provide a number of specific services and applications.

The company Key Solutions takes care of the accountancy and the tax regulations for SMEs, the self-employed, and liberal professions. International tax regulations are taken into account.

The company ASPivity provides an ASP-based application for time registration. This application allows a company to register the performance of its employees or subcontractors. ASPivity develops the application software and is also responsible for backing up and securing the entered data. The registered companies do not have to maintain any software updates or infrastructure. They pay a fee per registered hour and a subscription fee.

COMmeto supports the software of the company C-LOGIC. Since 1985 C-LOGIC develops special tools for accountancy and invoicing (VENICE).