Free tools to see your own numbers and to make the papers you need: an invoice, the owner’s consent for your business address, and the proof of accommodation for your visa.
CalculatorTrade license tax, social, health 2026
Enter your revenue: income tax, social and health insurance with the 60/40 method, the flat-tax method and an s.r.o.
CalculatorTrade license, DPP or employee?
What is left of a salary or a company budget as an employee, on a DPP or with a trade license.
CheckDo I need a VAT registration?
Six questions, an instant answer: no VAT, VAT-light or full VAT, and why.
CalculatorAmounts including and excluding VAT
Add 21% or 12% VAT to an amount, or take the VAT out of a price.
CalculatorCurrency converter
CZK, euro, pound, dollar and more, in any direction, at the official ČNB rate.
CalculatorLate payment interest
For an unpaid invoice or tax paid late: the legal interest, calculated to the day.
CalculatorWhat hourly or daily rate should I charge?
From the income you want to keep to the hourly rate, day rate and revenue you need.
ToolFree invoice generator
Make a correct Czech invoice in Czech and English, with or without VAT, and download it as PDF.
GeneratorOwner’s consent for a business address
The Souhlas s umístěním sídla in Czech, filled in with your details, ready for the owner to sign.
GeneratorProof of accommodation for a visa
The Doklad o zajištění ubytování in Czech, filled in with your details, ready for your landlord to sign.
GeneratorSworn statement for Ukrainians
The čestné prohlášení that replaces the police clearance for Ukrainians with temporary protection.
Looking for fixed numbers such as minimum payments, bank accounts or exchange rates? See Reference.