Over 80 years of dedication

85 years of sustainable solutions

Our history

  • 1934

    Alsico’s Beginnings

    It all started in 1934 when Leopold Aelvoet decided to start his own company for professional workwear.

  • 1947

    Gaston Siau, the visionary

    The small workshop that manufacture the first of the emblematic blue overalls was taken over in 1947 by son-in-law Gaston Siau. He expended the company to a European workwear specialist. Aelvoet and Siau Confection thus became ALSICO

  • 1975

    First overseas production

    In the mid-1970s, Mr. Gaston Siau was the first to start production overseas.

  • 1982

    The third generation takes great strides

    Thanks to the vision and tireless work of the third generation - Bernard and Philippe Siau - Alsico grew to become a global player. 

  • 2016

    Alsico Group with its fourth generation on board

    In 2016, with Vincent and Gauthier Siau, the fourth generation joined the ranks.  

  • Today

    The focus is on people

    Today, Alsico Group employs 7500 people and has consolidated sales of more than 250 million euros. With its 100 employees, Alsico nv, as the birthplace of the global group, still plays an important role in the continued development of the company.