Greater London

UNISON can proudly claim to be the leading trade union in Greater London.


UNISON is the biggest union in Greater London, with more than 130,000 members across the region. As well as defending public services and fighting the government’s cuts to public services, our priorities are promoting equality for all our members and campaigning for a living wage.

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    At work

    UNISON members in Greater London work in public services and utilities across eight different types of work: local government, health care, education services, water environment and transport, energy, community, private contractors and police and justice staff.

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    Find contact details for the Greater London regional centre.

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    • I’m worried that my employer won’t like me joining UNISON and I don’t want to make trouble for myself.

      It’s your legal right to join a trade union and your employer cannot legally prevent you from joining. Talk to your colleagues who are already members of UNISON – there is strength in numbers.

    • I’ve lost my application form to join UNISON. How can I get hold of another one?

      Ask your UNISON steward, or phone UNISONdirect on 0800 0 857 857. Lines are open Monday-Friday 6am-midnight and Saturdays 9am-4pm.

    • How can I join UNISON?

      If your employer deducts UNISON subscriptions via its payroll and you are based in this region, you can download a regional joining form here [link] and return it to the address at the top of this page.

    • I work in the public sector but my job has been outsourced to a private company. Can I still join UNISON?

      Yes. Just join in the usual way – or if you are already a member, but your employer has changed, let us know by email or by phoning UNISONdirect on Text tel: 0800 0 857 857.

    • There isn’t a UNISON branch where I work, but I still want to join UNISON. What should I do?

      You can join UNISON in the usual way – and why not start a branch yourself? UNISON will provide you with information and support, and then you can start recruiting your colleagues.

    • I want to join UNISON but I don’t have access to email. What should I do?

      You can phone UNISONdirect on 0800 0 857 857 and they will send you an application form. Lines are open Monday-Friday 6am-midnight and Saturdays 9am-4pm.

    • I’ve just moved house. How can I change my details on your system?

      You can update your details online here. You will need to have your membership number to hand.

      Alternatively, phone UNISONdirect on 0800 0 857 857. Lines are open Monday-Friday 6am-midnight and Saturdays 9am-4pm.

    • I need to speak to somebody about a problem at work, but I work different shifts to my UNISON rep and I can’t get to a phone during office hours.

      UNISONdirect is open from 6am to midnight Mondays to Fridays, and from 9am to 4pm on Saturdays. They will be able to help you, or put you in touch with someone who can.


    Contact information

    1st Floor, Congress House
    Great Russell Street
    Greater London
    WC1B 3LS