NZ
NZ Tax Tools

Self-Employment & Contracting

Everything you need to know about self-employed taxes in NZ: GST registration, provisional tax, schedular payments, and contractor obligations.

depreciation business tax deductions ird 2025-26

Using IRD's Depreciation Rate Finder (2025-26): DV vs SL

How to use IRD's Depreciation Rate Finder, choose between diminishing value and straight line, and apply the $1,000 low-value asset write-off in 2025-26.

5 June 2026

self-employment self-employed deductions

IRD Kilometre Rate 2025-26: Claiming Vehicle Expenses Without a Logbook

IRD's two-tier kilometre rates for 2025-26, the 14,000 km threshold, when the rate method beats actual costs, and the 90-day logbook fallback.

19 May 2026

property deductions IRD compliance mixed-use rental

Mixed-Use Assets: Tax Rules for Holiday Homes, Boats, and Aircraft in NZ

How IRD taxes mixed-use assets — holiday homes rented out part-time, charter boats, and aircraft that are both personal and income-earning. Apportionment rules, the 62-day threshold, and how to calculate deductions.

3 May 2026

provisional-tax safe-harbour UOMI self-employment IRD

NZ Provisional Tax First-Year Safe Harbour 2025-26 & 2026-27 — When RIT Rules Trigger (IRD)

First-year NZ provisional tax rules: the $5,000 RIT threshold, the $60,000 safe harbour, UOMI interest at 10.96%, standard uplift vs estimation vs GST ratio methods, and a worked example for a new sole trader.

20 April 2026

airbnb short-stay GST rental mixed-use-asset IRD

Airbnb & Short-Stay Rental Tax NZ 2025-26 & 2026-27 — GST, Income, Ring-Fencing (IRD)

Airbnb and Bookabach tax rules for NZ 2025-26 and 2026-27: GST registration at $60k, marketplace rules from 1 April 2024, mixed-use asset rules for holiday homes, ring-fencing for residential rentals, and a worked example.

20 April 2026

company tax sole trader business structure 28% tax rate imputation credits

Company Tax vs Sole Trader: Choosing the Right Business Structure in NZ

Compare the tax implications of operating as a sole trader versus a company in New Zealand for 2025-26, including rates, admin costs, and when each structure wins.

10 April 2026

dividends imputation credits company tax RWT investment

Dividend Imputation Credits: How Tax-Paid Dividends Work in NZ

How imputation credits work in New Zealand, why they matter for your tax return, and what happens at different marginal tax rates.

10 April 2026

LTC look-through company business structure company tax

Look-Through Company (LTC) in NZ: What It Is, Tax Rules & How to Set One Up

A complete guide to New Zealand's Look-Through Company (LTC) structure — how profits and losses flow through to shareholders, tax advantages, eligibility rules, and how an LTC compares to sole trader and standard company structures.

5 April 2026

self-employment deduction home-office

How to Claim Home Office Expenses in NZ

A practical guide to claiming home office tax deductions in New Zealand. Covers the square metre method, proportion of use, eligible costs, and employee vs contractor rules.

22 March 2026

GST small-business registration

GST Explained: New Zealand's 15% Tax

A complete guide to New Zealand's Goods and Services Tax — the 15% rate, the $60,000 registration threshold, input tax credits, and GST filing frequency.

22 March 2026

GST small-business registration

GST Thresholds and Filing in 2025-26: What Small Businesses Need to Know

New Zealand GST registration threshold, filing frequencies, the 15% rate, and what small businesses need to know for the 2025-26 tax year.

22 March 2026

provisional-tax self-employment IRD

Provisional Tax for the Self-Employed

How provisional tax works for NZ self-employed people and contractors — standard method, estimation method, AIM, payment dates, and use-of-money interest.

22 March 2026

self-employment company tax-rates

Sole Trader vs Company in NZ: Which Structure Pays Less Tax?

Compare sole trader and company tax structures in New Zealand. See how personal income tax rates, the 28% company rate, shareholder salaries, and retained earnings affect your tax bill.

22 March 2026

GST small-business registration

Should You Register for GST Voluntarily in NZ?

Weigh up voluntary GST registration in New Zealand. Covers input tax credits, compliance costs, pricing impact, the $60,000 threshold, and who benefits most.

22 March 2026

rental income property tax deductions

Rental Income Tax in New Zealand

How rental income is taxed in NZ — allowable deductions, interest deductibility rules, ring-fencing losses, and what landlords need to know for 2025-26.

18 March 2026

self-employment provisional tax ACC

Self-Employment & Provisional Tax in NZ

A guide to provisional tax for self-employed New Zealanders — how it works, the three instalment dates, ACC levies, and voluntary KiwiSaver.

18 March 2026

tax pooling provisional tax business tax

Tax Pooling Explained: Reducing Provisional Tax Risk in NZ

How tax pooling works in New Zealand — a tool for businesses to manage provisional tax payments, reduce use-of-money interest, and buy or sell tax credits.

8 March 2026

schedular payments contractors withholding tax

Schedular Payments: Contractor Withholding Tax in NZ

How schedular payments work in New Zealand — which contractors are subject to withholding tax, standard rates, and how to apply for a special tax rate.

28 February 2026

home office self-employed deductions

Home Office Expenses for Self-Employed Workers in NZ

How self-employed New Zealanders can claim home office expenses — eligible costs, calculation methods, and what records to keep for IRD.

25 February 2026

depreciation business tax deductions

Depreciation for Business Assets in New Zealand

How to claim depreciation on business assets in NZ — depreciation methods, common asset rates, and the rules for vehicles, equipment, and buildings.

22 February 2026

tax losses business tax carry forward

Tax Loss Carry-Forward Rules in New Zealand

How tax loss carry-forward works in NZ — rules for individuals, companies, and partnerships on carrying forward business and investment losses to offset future income.

18 February 2026

GST business self-employed

GST Registration Guide for NZ Businesses

When do you need to register for GST? How to register, file returns, and manage GST for your New Zealand business.

15 February 2026

RWT interest dividends withholding tax

Resident Withholding Tax (RWT) Explained for NZ Investors

Learn how Resident Withholding Tax works in New Zealand — RWT rates on interest and dividends, how to choose the right rate, and when to file a return.

10 February 2026

Related Calculators

Last updated 21 June 2026Tax year 2025-26

Data sources: Inland Revenue (ird.govt.nz)

This tool is general information only, not financial advice.

Reviewed by NZ Tax Tools Editorial Desk

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