International Security Agency was founded in 1998 by its current owner Geert Sijtzema. Through the years, we have grown into a full-service provider in the field of object security, event security, enforcement & supervision and hospitality services.
Apply now Contact usSince the year 2000, we have grown into a professional player in the entire security and safety market. We have started to specialise in object security, event security and enforcement & supervision. Hospitality Service has always remained important. Through our focus on quality services, we now operate in the sectors of national government, local & semi-government, multinationals, top sports, media, live entertainment & music driven events.
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