The following trade union branches are currently affiliated to Hackney TUC:
- Amicus London Computer Staffs
- GMB (General, Municipal & Boilermakers' Union)
- RMT Bakerloo line
- RMT Stratford no.1
- PCS Department of Work and Pensions East London branch
- UNISON Hackney Local Government
- NUJ (Journalism: press and PR branch)
- UCU
- PCS Home office