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Our History

Koen Schellekens starts to train his first dogs.

Koen joined the Royal Dutch Airforce as a full-time dog trainer.

Koen starts to work as a full time private dog trainer.

Started working for the United Nations Office on Drugs and Crime (UNODC).

K9 Group Holland was founded.

Started a collaboration with Claudia Boomaars.

Learn more

Learn more about K9 Group Holland by watching this video. The video is in dutch.

Meet Our Trainers

Meet our specialists Koen Schellekens and Claudia Boomaars, long-time experienced and profesional dog trainers. You can expect from us:

  • Quality;
  • Personal contact;
  • Customized training programs;
  • Advice;
  • Long term relationship;
  • Trainer maintenance.
© Pix4Profs/Joyce van Belkom (Left: Koen, right: Claudia)


Koen is a Master trainer at NAPCH, the US and Canadian association of professional canine handlers.

Koen is a certified inspector at the Royal Dutch Police Dog Association: KNPV.

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