Free tools for your business.
Estimate your taxes and business costs, prepare a quote or compare invoicing software. Built for freelancers and small businesses in Spain, with assumptions and official sources listed for tax calculations.
14 tools
Tax
VAT, withholding tax and Spanish Corporate Tax.
Invoicing VAT and IRPF Calculate VAT, IRPF withholding and the total of a professional invoice in seconds. Business taxation Spanish Corporate Tax Estimate gross Spanish Corporate Tax using the 2026 rates for micro-companies, small entities and newly created companies. Quarterly VAT Modelo 303 Estimate quarterly Spanish VAT payable or carried forward from your sales and purchase taxable bases.
Self-employed
Contributions and planning for people working for themselves in Spain.
Social Security Self-employed contributions Estimate your income band, available contribution base and standard RETA payment from your monthly net income. Plan your income Self-employed income Estimate what remains after expenses, Social Security and an income-tax reserve you choose. See how invoice withholding affects available cash.
Employment
Employer costs and contributions for your team.
Finance
Pricing, profitability and operating decisions.
Business management
Company setup, quotes, collections and business administration.
Collections B2B late-payment interest Calculate interest on unpaid commercial invoices using the Spanish statutory rate for each half of 2026. Tax obligations Spanish tax calendar Select your obligations and create a practical Spanish tax calendar with filing and direct-debit deadlines. Intra-EU transactions VIES VAT validator Check live whether an EU VAT number is valid in the European Commission’s official VIES service. Starting a company Company formation costs Budget for notary, registry and adviser fees when setting up a Spanish SL. See share capital separately from setup expenses. Quotes and estimates Quote generator Create a quote with your business details, customer, line items and taxes. Download a PDF ready to share, without registration.
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