Make a complaint

If you think a business or person isn't complying with one of the laws we enforce, you can make a complaint to us.

Make a complaint now

Alternatively you can call us on 0800 943 600 or email

Due to COVID-19 Commission staff are working from home and your call may take longer to answer than normal.

Our call centre will be open Monday to Friday from 9am till 12 noon, and from 1pm till 4pm.

To help keep our phone lines free for urgent matters, we encourage you to make a complaint about a business via our online complaints form.

Ask a question

If you have a question that you have not been able to find the answer to on our website, you can contact us.

Email us or call 0800 943 600 to speak with our Enquiries team.

Call us

To speak to someone in one of our offices, call (04) 924 3600.

Make a submission

If you would like to make a submission about a project, you can send these to:


Merger clearance and authorisation:

Apply for a job

To see what vacancies are available at the Commission, go to our Careers page.

Communications team

For media enquiries please email

For urgent or out of office hours media enquiries please contact one of our staff.

Gordon Harcourt – 021 244 1522

Amie Paston – 021 225 4420

Helene Ambler - 021 130 3816

Communications and External Relations Manager

Diana Price – 021 225 4417

Please note the Communications team deals with media queries only, and is not available to assist members of the public with disputes or complaints.

If you have a complaint please call 0800 943 600 or use the online form or email