Small Business Owner Tax Calculator New Zealand
Estimate what you could get back as a small business owner in New Zealand. Applies New Zealand marginal rates and the ACC earners’ levy. Free, and no sign-up.
What small business owners can claim in New Zealand
- Commercial premises rent
- Staff wages and KiwiSaver contributions
- ACC CoverPlus levies
- Depreciation on plant and equipment
- Investment Boost on new assets
- Business insurance premiums
- Stock and raw materials
- Advertising and marketing costs
- Kilometre rate vehicle claims
- Home office square metre rate
- Bad debts written off
- GST return preparation fees
In New Zealand salary and wage earners generally cannot claim work-related expenses at all, so every deduction listed below applies to the self-employed, contractors and sole traders who file an IR3 and pay their own ACC levies and provisional tax.
You can only claim the work-related portion, you must have spent the money yourself without reimbursement, and you need a record to prove it.
Frequently asked questions
What can a small business owner claim on tax in New Zealand?
Commonly claimed deductions include commercial premises rent, staff wages and kiwisaver contributions, acc coverplus levies, depreciation on plant and equipment. In New Zealand salary and wage earners generally cannot claim work-related expenses at all, so every deduction listed below applies to the self-employed, contractors and sole traders who file an IR3 and pay their own ACC levies and provisional tax.
How much tax does a small business owner pay in New Zealand?
It depends on your income. The calculator applies New Zealand marginal rates and the ACC earners’ levy.
Do I need to sign up to use this calculator?
No. This calculator is completely free and requires no account. Nothing you enter is saved.
Related tax guides
- The 2026 Tax Cuts Explained: How Much Will You Really Save?
- The $1,000 No-Receipts Deduction: Is It Right for You?
- Work From Home Tax Deductions 2025: The Complete Guide
Other freelance, gig & self-employed calculators
Estimate only — not tax advice. Confirm with the IRD or a registered tax professional.