Skip to main content
  • 1978

    start HTC Advies

    The first consultancy firm for the catering industry, location: Utrecht

  • 1988

    Start Atir

    The first consultancy firm in cleaning, location: Lelystad

  • 1990

    VSR quality measurement system

    Atir co-developer of the VSR quality measurement system

  • 1993

    Start catering advice

    HTC Advies supervises the first catering tender

  • 2000

    HTC Advies moves to Hoorn

  • 2008

    Acquisition Atir

    Hayk Simons, owner of HTC Advies, acquires Atir

  • 2011

    HTC Advies and Atir move to Almere

    Both consultancy firms establish themselves in Het Atelier in Almere

  • 2012

    Start Consumatics

    Start research and consultancy agency in neuromarketing and influencing unconscious consumer behavior

  • 2014

    Acquisition Verhoeven & Partners

    Atir acquires facilities consultancy firm Verhoeven & Partners

  • 2015

    Start Question Mark Group

    Atir and HTC Advies continue as independent brands under QMG

  • 2016

    Acquisition Buro van Riel

    Atir acquires cleaning consultancy agency Buro van Riel

  • 2019

    Acquisition Consumatics

    QMG acquires neuromarketing agency Consumatics

  • 2023

    Founding of CONTRAST

    CONTRAST is the new brand name of Atir, HTC Advies en Consumatics

Chat openen
Scan de code
Hallo ๐Ÿ‘‹
Kunnen we je helpen?