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?

New Chief Executive appointment

We have announced the appointment of our new Chief Executive, Suzanne Stew, a senior public service leader with a strong background in business, who will start in the role on 4th May.
Emergency response guidance for businesses

We want to ensure businesses have simple and clear information about how they can work together to maintain the supply of goods and services during an emergency situation.
Ramping up scrutiny on fuel companies

We're increasing our monitoring and scrutiny of petrol pump prices in response to higher and more volatile global wholesale prices. Read our first report.
Competition Matters Conference 2026

Register now to hear from an exceptional line up of speakers and panellists from across government, the OECD and the business community as they unpack the big issues shaping a more competitive and prosperous future.

Latest news

01 Apr 2026

ComCom proposes go ahead for investment to replace critical Cook Strait cables

The Commerce Commission is proposing to approve Transpower’s plans to replace and expand the capacity of the ageing undersea electricity cables that connect the North and South Island electricity networks. The draft decision would see it approve a major capex allowance of $1.1386 billion.
31 Mar 2026

ComCom recommends deregulating fibre landline voice service

The Commerce Commission has recommended deregulating the wholesale fibre landline voice service after finding it has had little uptake and that other ways of making voice calls are more popular.
31 Mar 2026

Statement of Issues released for Beijer Ref to acquire Refrigeration Specialties

The Commerce Commission has published a statement of issues relating to the application from Beijer Ref Holdings Limited to acquire 100% of the shares in Refrigeration Specialties Limited (Refspecs).
27 Mar 2026

Making water boring again – Opinion piece by Dr John Small

In this edition of Be our Guest in Consumer NZ’s 2026 Autumn issue, our Chair Dr John Small takes readers on a journey from Leonardo da Vinci to leaky gutters – and on to the overhaul of New Zealand’s water services.