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?

Toy Safety Week 2026

It’s Toy Safety Week – an important reminder to pause and check the toys that our tamariki play with are safe. Find out more including how we investigate and enforce product safety issues.
Regulating development levies

The Government has confirmed the Commerce Commission as the independent regulator of the new development levies system. This will help ensure greater transparency and fairness in levy decisions, while building trust and confidence among councils, developers and communities.
Dr John Small Water NZ address

In his keynote address at the Water NZ Conference, Dr John Small explains the Commission's risk-based approach to regulating water and how tools such as information disclosure, benchmarking and targeted regulation support better outcomes for consumers.
Enforcement and compliance priorities

We've published our enforcement and compliance priorities for the year ahead. These set out the key behaviours and practices we’ll focus on to strengthen competition and improve value and choice for New Zealanders.

Latest news

22 Oct 2026

Commission cuts commercial card fees to save businesses $40 million a year

The Commerce Commission has decided to cap interchange fees on Mastercard and Visa commercial credit cards, further reducing local businesses’ costs by around $40 million a year.
19 Oct 2026

Not yet time for Tiaki Wai price control – opinion piece by Dr John Small

As published in The Post on 15 October, Dr John Small discusses the Commerce Commission’s role in the regulation of Tiaki Wai and how we intend to hold the organisation to account for the benefit of all Wellingtonians.
08 Oct 2026

Commission puts retailers on notice: product safety is non-negotiable

The Commerce Commission is putting retailers on notice that product safety is non-negotiable.
05 Oct 2026

Commission takes court action to stop misleading paid online rankings

The Commerce Commission is taking court action against Top Reviews and Auckland Magazine, alleging these websites continue to approach New Zealand businesses for favourable rankings while presenting their reviews as independent and impartial.