Invoices and KSeF
BravoLisa Knowledge
JDG in Poland: set up, settle, understand
Practical guides to ZUS, taxes, VAT and KSeF, checked against the official sources and written for people running a sole trader's business.
Start with a topic
Setting up a business
Registering in CEIDG, unregistered activity, suspending and closing the business.
Form of taxation
The skala podatkowa, the podatek liniowy, the ryczałt and its rates, changing the form.
Invoices and KSeF
The National e-Invoicing System, types of invoice and the receipt with a NIP.
VAT and JPK
The VAT exemption, the JPK_V7 file, VAT-UE and the OSS procedure.
Taxes
The annual PIT return, the KPiR and the revenue record, czynny żal.
ZUS
The ulga na start, preferential contributions, Mały ZUS Plus and the health contribution.
Where to begin
The most useful guides to get started
Form of taxation
Ryczałt od przychodów ewidencjonowanych in Poland: rates and rules for 2026
12 min readSetting up a business
How to set up a JDG in Poland: registering in CEIDG step by step, and the costs
12 min readSetting up a business
Działalność nierejestrowana in Poland in 2026: the limit, tax, ZUS and invoices
12 min readBravoLisa
Income, expenses and invoices in order, free
BravoLisa is bookkeeping software with an AI bookkeeping assistant for a JDG. In Poland it offers the Free plan: you record your income and expenses, issue PDF invoices, and Lisa reads your receipts and purchase invoices.
Free
Free
Everything you need to keep your JDG's figures in order, in one app.
- Income and expenses recorded
- Sales invoices as PDF
- Receipts and purchase invoices read by Lisa
- No credit card needed