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BELSIM's mission is to provide solutions to enhance the quality of production and process data. BELSIM thereby is a technology partner as well as a solution provider, and can accompany its customers from proof of concept, over full-scale project implementation, to ongoing support. BELSIM helps its customers to improve process plant efficiency, reduce energy consumption, limit their environmental impact, and develop a better understanding of their process operations and performance. This translates into significant returns on investment, and payback periods of typically less than one year. BELSIM is the worldwide leader in the field of Data Validation and Reconciliation (DVR). Its VALI Software Suite uses DVR and state-of-the-art modeling techniques to transform process data into consistent, accurate and reliable information. The kind of information you need to operate your processes correctly, detect problems in time, and eliminate inefficiencies. VALI automatically computes key performance indicators with a high level of accuracy and reliability. Users can add their own constraints, rules and equations to the process model in a user-friendly way. VALI installations include applications on continuous processes in a wide range of industry sectors, such as Oil & Gas, Refineries, Power Generation & Utilities, Petrochemicals, Chemicals, and Pharmaceuticals. More than 150 worldwide implementations with renowned companies such as TOTAL, ARAMCO and AIR LIQUIDE, make VALI the most widely used, proven and successful tool in this market. A network of implementation partners allows BELSIM to provide local presence and support to its customers throughout the world. BELSIM GROUP has subsidiaries in Belgium, Switzerland, United States of America, Asia (Hong Kong S.A.R.) and Africa (Mauritius). For further information do not hesitate to contact BELSIM at info@belsim.com or our Belgium office at +32 (0)4 239 97 10.

Belsim Questions

The Belsim annual revenue was $5.6 million in 2026.

3 people are employed at Belsim.

The NAICS codes for Belsim are [33, 3359, 335].

The SIC codes for Belsim are [369, 36].

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