What ACAS does
Statutory dispute-resolution body providing conciliation for Employment Tribunal claims (early conciliation), collective dispute mediation and arbitration, and authoritative codes of practice (disciplinary and grievance, flexible working, settlement agreements). Not an enforcement regulator — statutory role is conciliation and guidance.
Codes of Practice issued under ss.199-202 Trade Union and Labour Relations (Consolidation) Act 1992 are admissible in Employment Tribunals. Covers TUPE, collective consultation, unfair dismissal.
Contact ACAS
- Phone
- 0300 123 1100
Official guidance from ACAS
Curated guidance documents to help you understand your obligations.
Contact the Acas helpline (opens in a new tab)
Detailed Guidance
Acas: discrimination and the law (opens in a new tab)
Detailed Guidance
Acas: following a fair procedure for dismissals (opens in a new tab)
Detailed Guidance
Acas: payslips (opens in a new tab)
Detailed Guidance
Acas: preventing harassment at work (opens in a new tab)
Detailed Guidance
Acas: providing a job reference (opens in a new tab)
Detailed Guidance
Acas - steps for employers to prevent sexual harassment (opens in a new tab)
Detailed Guidance
Acas: unfair dismissal (opens in a new tab)
Detailed Guidance
View all 19 guidance documents (opens in a new tab)
Related legislation
Legislation connected to ACAS’s remit but not directly enforced — establishing Acts, amendments, referenced legislation, and context.
Administered / monitored
- Coverage area
- Great Britain — England, Scotland and Wales. Northern Ireland may have separate arrangements.