Become member

    Interim United

    The trade union for temporary workers, powered by ACV-CSC!

    Welcome to the site of Interim United, your trade union! 

    As a temporary employee or 'interim worker' you're not always correctly informed about your rights. Interim United is here to help you, defend your rights and to tell you everything your temporary work agency does not let you know!  

    ☝️ Don't forget your premiums!!!
    • Dit you work for at least 65 days as an interim worker between 1 July 2022 and 30 June 2023?  You are entitled to an end-of-year-bonus!
    • Are you a member of ACV-CSC Interim United? You also get a union membership of 112 euros!  Join now and get your membership bonus straight away!

    Check all info on the premiums

    Huh, is that legal?

    As an interim worker you need to know your rights.  Interim United is here to inform you and make sure you get what your are entitled to.  Looking for help or info on your temp job? You're at the right place! 

    ✅ Check the FAQ about you contract, wage, benefits, sick or holiday leave as an interim worker. Contact the Helpdesk Interim United or download the brochure! 👇 

    Check the FAQ on temporary work!

    Questions?  Helpdesk Interim United is here for you!

    Fill in the form (Dutch or French) or mail us at Usually you receive an answer within 5 working days.  

    Ask your question!

    SOS Interim Workers. 20 questions, 20 answers 

    What do we mean by temporary or interim work? Who pays your wage? Are you entitled to paid public holidays? What sort of consequences does your interim work have for social security? And what happens if you get sick, or when your contract ends?

    With this guide we aim to make sure you're correctly informed when working as an 'interim worker'.

    Why join Interim United? 

    ✔ Eligible for an annual benefit paid by the union of 112 euro! 
    ✔ Assistance in case of unemployment. We are here to help you draw up your unemployment administrative file and ensure the smooth payment of your unemployment benefits.
    ✔ Help and information at work. You can always contact ACV-CSC representatives within your company or the Interim United Helpdesk at
    ✔ And all the other benefits you enjoy as a member of ACV-CSC, the largest union of Belgium

    Join ACV-CSC Interim United now!

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