Profit Margin Calculator Ireland 2026
Calculate gross profit margin, net profit margin, and markup for your Irish business. Enter revenue and costs to see profitability at a glance.
Calculate Profit Margins
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Frequently Asked Questions
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It depends on the sector. Professional services typically achieve 20–40% net margins; retail 3–8%; construction 5–10%. A net margin above 10% is generally considered healthy for most SMEs.
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Margin is calculated on selling price (Profit ÷ Revenue). Markup is calculated on cost (Profit ÷ Cost). A 50% markup on €100 cost = €150 price = 33% margin.
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Always use VAT-exclusive revenue when calculating profit margins. VAT collected is passed to Revenue — it is not your income.
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COGS (Cost of Goods Sold) includes direct costs that vary with output: materials, subcontractors, direct labour. Operating expenses are fixed overheads: rent, admin salaries, marketing, insurance.
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For companies, corporation tax (12.5%) applies to net profit. For sole traders, income tax applies to net profit. A higher margin means more taxable income — and a higher absolute tax bill.
Official Sources
This calculator is based on legislation and guidance from the following official sources:
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D’Emilia Accounting can review your full tax situation — PAYE, self-employed, VAT, payroll and bookkeeping. Most clients are immigrants in Ireland who want the tax system explained clearly, not just a number.
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