SimCon has a long-standing and close relationship with IQS Solutions (Pty) Ltd. in Simon's Town, South Africa. IQS and SimCon are currently collaborating on the migration of a major real-time radar control system, and IQS also has an important rôle in the Karoo Array Telescope (KAT) project.

SimCon works with David Flower Ltd. in research in the automatic analysis of physical units and dimensions in Fortran codes. The current activity is to instrument the Fortran code and to track the relationships between units and dimensions at run-time.

SimCon and David Flower Ltd. also work together in QA auditing of codes and migration of code from legacy systems.