Belsim's mission is to improve its clients' process performance. Our core business is the innovative field of advanced data validation and reconciliation where Belsim is the technology leader with the software suite VALI.
Created end of 1986 as a spin-off from University of LiÃ¨ge, Belsim is an independent Belgian company active in the field of advanced data validation and data reconciliation. We specialize in delivering solutions, consulting and software for performance management, production allocation, energy management, loss management and process optimization. Our solutions are based on a flexible software suite, offering benefits in many different industry sectors. Nevertheless, we are mainly active in the oil and gas production, refining and both conventional and nuclear energy production including energy production at industrial sites. Belsim also provides its software and experience to engineering companies and research institutions.