# The business tools your AI needs. Checked local tools for the everyday decisions behind running a small business: tax, pay, records, suppliers and tenders. Canonical: https://aroai.com/industries/small-business/ ## Tools for this work Tools for tax calculations, pay, business records and public opportunities. - [Calculate New Zealand GST](https://aroai.com/tools/nz_gst): Add or remove GST from a New Zealand amount and show the calculation, including zero-rated exports and going concerns, mixed business and private purchases, and credit and debit notes. **Availability: Live.** Tool: `nz_gst`. Industry: small_business. - [Calculate New Zealand provisional tax](https://aroai.com/tools/nz_provisional_tax): Calculate supported standard, estimation or ratio provisional-tax instalments for eligible New Zealand cases, with two instalments for six-monthly GST filers and last year’s terminal tax date. **Availability: Live.** Tool: `nz_provisional_tax`. Industry: small_business. - [Estimate New Zealand payroll deductions](https://aroai.com/tools/nz_payroll_deductions): Estimate income tax, ACC, KiwiSaver, student-loan deductions and take-home pay for straightforward New Zealand salary cases. Scope and exclusions are shown with each result. **Availability: Live.** Tool: `nz_payroll_deductions`. Industry: small_business. - [Search New Zealand businesses](https://aroai.com/tools/nz_company_search): Find New Zealand businesses by name, NZBN or company number. Filter by entity type, status or industry code. Full results include names, returned addresses, classifications, status dates and match details where available. **Availability: Live.** Tool: `nz_company_search`. Industry: small_business. - [Search New Zealand tenders](https://aroai.com/tools/nz_tender_search): Find public New Zealand government tender notices by buyer, category, region and closing date, with changed closing dates picked up from the official notices. **Availability: Preview.** Tool: `nz_tender_search`. Industry: small_business. - [Estimate Australian PAYG withholding](https://aroai.com/tools/au_payg_withholding): Estimate resident employee PAYG withholding for a selected pay period and tax-free-threshold setting. Other deductions and special tax situations are excluded. **Availability: Live.** Tool: `au_payg_withholding`. Industry: small_business. - [Search Australian companies](https://aroai.com/tools/au_company_search): Find Australian companies by name or identifier and review available public registration details. **Availability: Preview.** Tool: `au_company_search`. Industry: small_business. - [Search Australian government contracts](https://aroai.com/tools/au_tender_search): Search public Australian government tenders and contract records by buyer, supplier, category and date. **Availability: Preview.** Tool: `au_tender_search`. Industry: small_business. - [Look up New Zealand ACC employer levy rates](https://aroai.com/tools/nz_acc_levy_rates): Look up 2026/27 New Zealand ACC employer levy rates by business activity description or exact 5-digit classification unit (CU) code. **Availability: Preview.** Tool: `nz_acc_levy_rates`. Industry: small_business. - [Search Australian businesses](https://aroai.com/tools/au_abn_search): Search Australian businesses by name, state, postcode or active status. Results show match type and score, registration status and available address details. Active exact-name matches appear first. **Availability: Preview.** Tool: `au_abn_search`. Industry: small_business. - [Search New Zealand director and shareholder roles](https://aroai.com/tools/nz_role_search): Find company roles connected with a person or shareholder entity in New Zealand public business records. Review the returned companies and match details before following up. **Availability: Live.** Tool: `nz_role_search`. Industry: small_business. - [Estimate Australian BAS GST labels](https://aroai.com/tools/au_bas_gst): Estimate simple BAS GST labels and net GST from taxable sales and eligible purchases under the stated assumptions. **Availability: Live.** Tool: `au_bas_gst`. Industry: small_business. - [Estimate New Zealand employee pay-run cost](https://aroai.com/tools/nz_employee_cost): Work out what one employee really costs each pay: PAYE, KiwiSaver and employer contribution tax, a minimum-wage check, and the dated payday filing and PAYE payment deadlines. **Availability: Live.** Tool: `nz_employee_cost`. Industry: small_business. - [Find New Zealand tax and employer due dates](https://aroai.com/tools/nz_tax_due_dates): Find the filing and payment date for GST, provisional and terminal tax, income tax returns, employer deductions and fringe benefit tax, with the rule and any date adjustment. **Availability: Live.** Tool: `nz_tax_due_dates`. Industry: small_business. - [Estimate a New Zealand GST return](https://aroai.com/tools/nz_gst_return_estimate): Estimate the boxes of a GST return for a full period from your sales and purchase totals, on an invoice, payments or hybrid basis, with anything assumed nil listed. **Availability: Live.** Tool: `nz_gst_return_estimate`. Industry: small_business. - [Estimate New Zealand sole-trader income tax](https://aroai.com/tools/nz_business_income_tax): Estimate a sole trader’s annual income tax, ACC earners’ levy and take-home profit, with the balance to pay, effective and marginal rates, and whether provisional tax starts next year. **Availability: Live.** Tool: `nz_business_income_tax`. Industry: small_business. - [Plan a New Zealand tax reserve](https://aroai.com/tools/nz_tax_reserve_plan): Work out how much a sole trader should set aside for each provisional-tax instalment under the standard, estimation or ratio method, the share of income to put aside from today, and when each payment is due. **Availability: Live.** Tool: `nz_tax_reserve_plan`. Industry: small_business. - [Calculate New Zealand vehicle expense deductions](https://aroai.com/tools/nz_vehicle_expense_deduction): Calculate a business vehicle deduction with kilometre rates, actual costs and a logbook, or the no-logbook 25% limit, and compare the methods your records support. **Availability: Live.** Tool: `nz_vehicle_expense_deduction`. Industry: small_business. - [Estimate Australian employee pay-run cost](https://aroai.com/tools/au_employee_cost): Work out what one employee costs each pay: PAYG withholding, super guarantee with Payday Super timing, a national minimum-wage check and the date super must reach the fund. **Availability: Live.** Tool: `au_employee_cost`. Industry: small_business. - [Find Australian lodgment and employer due dates](https://aroai.com/tools/au_lodgment_dates): Find the due date for a BAS or IAS, PAYG instalments, super guarantee, income tax returns, the taxable payments report and fringe benefits tax. **Availability: Live.** Tool: `au_lodgment_dates`. Industry: small_business. - [Estimate a period's BAS GST return in Australia](https://aroai.com/tools/au_gst_return_estimate): Estimate the GST labels on a business activity statement from your period totals, on a cash or accrual basis, for the simpler or full reporting method. **Availability: Live.** Tool: `au_gst_return_estimate`. Industry: small_business. - [Estimate Australian sole-trader income tax](https://aroai.com/tools/au_business_income_tax): Estimate a resident sole trader’s annual income tax, Medicare levy, small business tax offset and take-home earnings, with the balance to pay and PAYG instalment entry. **Availability: Live.** Tool: `au_business_income_tax`. Industry: small_business. - [Plan an Australian PAYG tax reserve](https://aroai.com/tools/au_tax_reserve_plan): Plan what to set aside for PAYG instalments from the amount or rate the ATO gave you, with the share of income to put aside from today, the due dates and the risk of varying an instalment too low. **Availability: Live.** Tool: `au_tax_reserve_plan`. Industry: small_business.