Te Komihana Tauhokohoko Commerce Commission

Making New Zealanders better off because markets work well and consumers and businesses are confident market participants.

Think a business or person isn’t complying with one of the laws we enforce?

Share your thoughts on interchange fees

We’re consulting on proposed limits for interchange fees on payments made using commercial and corporate Mastercard and Visa credit cards. We’re asking businesses to share their thoughts through a five minute survey.
State of Competition report released

Our first State of Competition report reveals a mixed picture, with competition remaining broadly stable overall but with growing pressures in other parts of the economy.
Scrutiny on fuel companies

We’ve increased our monitoring and scrutiny of petrol pump prices in response to higher and more volatile wholesale prices. Read our regular reports.
Annual Grocery Report

We’ve released our third annual grocery report, providing an updated view of competition in the market, including market structure, consumer outcomes, and the impact of regulatory measures since the Grocery Market Study.

Latest news

19 Jun 2026

Commission grants clearance to Rafting JV Co to acquire rafting assets

The Commerce Commission has granted clearance for Rafting JV Co to acquire the rafting and sledging assets of Rotorua Rafting, Kaitiaki Adventures, and Kaituna Cascades.
18 Jun 2026

Cook Strait cable investment to keep NZ’s electricity reliable into the future

The Commerce Commission has approved Transpower’s $1.1 billion investment to replace and expand New Zealand’s inter-island electricity link, helping ensure a continued reliable electricity supply between the North and South islands.
17 Jun 2026

ComCom wants to see fuel price come down in a fair and timely way

The Commerce Commission is reminding businesses to ensure lower fuel costs are passed through to customers through prices at the pump and the reduction of any surcharges.
12 Jun 2026

Water regulators update memorandum of understanding

The Commerce Commission has updated its Memorandum of Understanding (MoU) with the Water Services Authority – Taumata Arowai.