Oman personal income tax: a 2028 readiness guide for SME owners and finance teams

Tax & Finance - 9 min read - Updated 2026-08-12 - ZoroBiz Editorial Team

Software guidance only. Confirm legal, tax, payroll, and compliance decisions with qualified local advisors.

What the law says at a high level

Oman issued its Personal Income Tax Law through Royal Decree 56/2025. According to the Tax Authority, the law applies from the beginning of 2028 to a natural person whose total annual income exceeds OMR 42,000 from income types covered by the law. The announced rate is 5% of taxable income.

The threshold is not the same as a flat tax on every salary or every resident. The law contains conditions, deductions, and exemptions, and the Tax Authority says approximately 99% of the population is expected to remain outside the tax. Individual circumstances must be assessed using the final regulations and official guidance.

Why the change matters to SMEs before 2028

Even when a company is not itself paying an individual’s tax, its records may support calculations and disclosures. Owner drawings, salary, bonuses, benefits, dividends, partner distributions, rental arrangements, loans, reimbursements, and business-paid personal expenses should not be mixed in one unclear ledger.

Businesses with founders, partners, directors, or highly paid employees need consistent records that identify who received an amount, why it was paid, the period it relates to, and whether it belongs to the company or the individual. Retrospective cleanup is slower and less reliable than correct classification at the transaction date.

Separate the person from the legal entity

Use company bank accounts for company income and costs. Record owner withdrawals through a defined account instead of disguising them as supplier expenses. Keep payroll separate from expense reimbursements and document business purpose for reimbursed costs. Where a company contracts with a related person, preserve the agreement and payment trail.

This separation improves management reporting today, regardless of the final personal-tax treatment in 2028. It also gives advisers a clearer dataset when the executive regulation, forms, and detailed guidance are available.

Build a readiness calendar, not a tax estimate

In 2026, the sensible task is data preparation. Assign responsibility for monitoring Tax Authority publications, identify potentially affected people, review the chart of accounts, and document recurring payment types. In 2027, update procedures against the executive regulation and test any reporting changes before the first taxable period.

Avoid publishing internal tax estimates as if they are final liabilities. Taxable income can differ from gross receipts, and deductions, exemptions, residence, source, and covered income categories can change the result. A qualified Oman tax adviser should review individual cases.

How ZoroBiz supports cleaner preparation

ZoroBiz links payroll records, expenses, invoices, customers, suppliers, approvals, and reports. Used consistently, this helps an SME distinguish business transactions from employee or owner-related payments and retrieve the supporting trail more quickly.

ZoroBiz does not calculate personal income tax or replace tax advice. Its role is operational: creating structured records so finance teams and advisers can work from more complete information when the Tax Authority issues detailed implementation guidance.

Oman Tax Authority — issuance of the Personal Income Tax Law: https://tms.taxoman.gov.om/portal/w/issuance-of-personal-income-tax-pit-law

Oman Tax Authority — Personal Income Tax Law and regulations page: https://tms.taxoman.gov.om/portal/ar/personal-income-tax-law-and-regulation

When does Oman personal income tax take effect? Royal Decree 56/2025 provides that the Personal Income Tax Law takes effect at the beginning of 2028.

What threshold and rate has the Tax Authority announced? The Tax Authority states that the law applies to a natural person whose total income exceeds OMR 42,000 annually from specified income types, at a 5% rate on taxable income, subject to the law’s conditions, deductions, and exemptions.

Does every employee in Oman need to pay personal income tax? No. The official announcement says the threshold was designed so that approximately 99% of the population would not be subject to the tax. Individual treatment still depends on the law and forthcoming guidance.

What should SMEs do now? Keep legal-entity, owner, employee, payroll, dividend, rental, investment, and reimbursed-expense records clearly classified. Wait for official regulations before making final tax determinations.

Keep business and personal transactions clearly separated