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, call 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 only keep Acas helpline call recordings for one month.
If you have difficulties using our form, call our customer service team on 0300 123 1150.
To find out how to make a complaint by post and how we deal with complaints, read our complaints policy.