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?

Annual Report 2024-25

We’ve published our Annual Report highlighting our key activities, progress against our strategic priorities and impact over the past 12 months.
Merger reform updates

We will be consulting on proposed changes to our processes and guidance. Sign up to be notified of opportunities to have your say.
Stable pricing approach for gas pipelines

We’ve released a draft decision on the revenue limits and quality standards for regulated gas pipeline businesses for the five-year period starting 1 October 2026.
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Latest news

28 Nov 2025

Westpac NZ penalised $3.64 million for not being a responsible lender

System design called ‘foreseeably deficient’.
27 Nov 2025

Commission proposes stable pricing approach for gas pipelines

The Commerce Commission has released its draft decision on the revenue limits and quality standards for regulated pipeline infrastructure businesses for the five-year period starting 1 October 2026.
26 Nov 2025

Regulation of development levies

The Government has announced an in-principle decision to appoint the Commerce Commission as the regulator for councils charging development levies, as part of its Going for Housing Growth programme to address housing supply challenges.
25 Nov 2025

Co-operative Bank admits charging unreasonable fees

Co-operative Bank has admitted breaches of the Credit Contracts and Consumer Finance Act 2003 (CCCFA) and remediated 48,249 customers $7.225 million for charging higher fees than it should have.