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?

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.
Strong scrutiny of water providers

We're stepping up oversight of major water providers as investment in critical infrastructure ramps up. We're also using our regulatory toolkit to ensure providers invest wisely, remain accountable, and deliver better outcomes for consumers.
Product safety guidance for businesses

We have published new videos to help businesses understand their obligations under product safety regulations and standards for children's toys, high-strength magnets, children's nightwear and hot water bottles.
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

23 Sep 2026

Commission determines new approach to infrastructure financing costs

The Commerce Commission has confirmed it will change the way it calculates financing costs for regulated infrastructure. This is aimed at providing greater stability for consumers and businesses by reducing the impact of short-term interest rate movements on regulatory settings.
16 Sep 2026

Commission confirmed as independent regulator for development levies

The Government has announced further details of its reforms to infrastructure funding and housing growth, confirming the Commerce Commission will be the independent regulator of the new development levies system.
10 Sep 2026

Statement of Issues released for JPT to acquire T&G Fresh

The Commerce Commission has published a statement of issues relating to an application from J&P Turner Limited (JPT) seeking clearance for it, or any interconnected body corporate, to acquire up to 100% of the shares in Turners & Growers Fresh Limited (T&G Fresh).
31 Aug 2026

Innovation project explores how electricity distributors can unlock more value

As solar panels, home batteries and electric vehicles become more common, electricity distribution networks are facing new opportunities and challenges.