Proton manages several companies, of which this page offers an overview.
Designs, sells and produces professional electronics for the amusement industry. Best known for its EVO lasergame systems.
multimax.nlSells and manages professional indoor lasertag arenas and is European market leader in the field of lasertag!
lasermaxx.comCreating seamless and professional web and app solutions for businesses.
A unique estate, centrally located in the Netherlands. Named after its founder Adriaan van Persijn (1610 - 1655).
landgoedpersijn.nlState-of-the-art paddock paradise, mimics natural grazing patterns for happier and healthier horses.
hoevepersijn.nlSocial Internet Marketing company. Well known for it's Instagram API.