Tefter

IT and software

You build software for clients abroad. Let invoicing be the easy part.

Most flat-rate developers invoice one or two foreign clients every month. Tefter remembers the client, the currency and the service, so the next invoice takes a minute, in English and with the NBS exchange rate.

IT and software

Bilingual invoice in euros

An invoice in Serbian and English, with your foreign-currency account's IBAN and SWIFT and the amount in dinars at the NBS middle rate on the date of service.

The 6 million limit under control

Income adds up by itself in dinars, for the current year and for the last 12 months. The warning comes before it's too late.

The independence test

See how much of your income comes from one client before the Tax Administration asks.

An example invoice line

Northwind Labs GmbH Software development, October 2026 4.800,00 EUR

Tefter is for services and goods you invoice to companies. Selling to individuals for cash or card requires a fiscal cash register.

Software development, October 2026

Your first invoice in five minutes

Download Tefter for free, enter your business details and issue an invoice. No account, no card.