How to complain

If you're unhappy with an Acas service, you can make a complaint using our online form.

You should only use this form to make a complaint about an Acas service. If you need advice about a workplace problem, contact the Acas helpline.

Find out how to:

There is a time limit for making a complaint to Acas. Complaints must be made within 6 months of the date of the event that you're complaining about.

We'll aim to respond to you within 10 working days.

Start a complaint

If you have difficulties using our form, call our customer service team on 0300 123 1150. Or write to:

Comments, Complaints and Compliments team
Acas
8th Floor, Windsor House
50 Victoria Street
London
SW1H OTL

How we'll deal with your complaint

We'll record your complaint and send it to the senior manager responsible.

We aim to write to you within 10 days and tell you what we plan to do. Our response will include details about how to appeal if you're still dissatisfied.

If we need to review call recordings or case data to investigate your complaint, please note we only keep:

  • helpline call recordings for 1 month
  • individual conciliation case data for 6 months from the date the case is closed

We may refuse to respond if we receive complaints which are:

  • threatening
  • abusive
  • repeated complaints from the same person about the same issue

We'll keep your personal information confidential and will delete records of your complaint after 2 years.

Your personal information will be kept confidential. To find out how we store, use and protect your personal information, read our privacy policy.