Proton Midden Nederland B.V. is a Netherlands-based group that manages companies across entertainment, technology, digital services, and property. Its portfolio includes businesses serving both consumers and organizations, with a focus on developing and operating specialist products and services.

Multimax Electronics B.V. designs, sells, and produces professional electronics for the amusement industry and is best known for its EVO lasergame systems. LaserMaxx Lasergames B.V. sells and manages professional indoor lasertag arenas and describes itself as a European market leader in the field. Brives B.V. creates integrated web and app solutions for businesses, while Snuber B.V. specializes in social internet marketing and is known for its Instagram API.

The group’s property-related activities include Dorpshuys B.V., which handles property management, design, and renovation, and Landgoed Persijn B.V., which represents a centrally located Dutch estate named after its founder, Adriaan van Persijn. Hoeve Persijn B.V. operates a modern paddock paradise designed to reflect natural grazing patterns and support horse wellbeing. Together, these companies give Proton a diverse presence across several industries.