KSeF Certificates – Installation Step by Step
1. What is a KSeF certificate? A KSeF certificate is essentially a digital identity confirmation that allows your system to securely connect to the Polish…
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How to Generate a KSeF Certificate – Step-by-Step Guide
The KSeF certificate is one of the methods used to authenticate access to the Polish National e-Invoice System (KSeF). It allows accounting systems, ERP systems,…
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KSeF Token vs Certificate – Key Differences and What to Choose
With the introduction of the mandatory National e-Invoice System (KSeF) in Poland, businesses and accounting offices must decide how their systems will authenticate and communicate…
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Lump-Sum Tax for 2025 – Tax Breaks and Annual Settlement (PIT-28 for 2025)
The clock is ticking down to April 30, 2026 – the final deadline for filing your annual tax return for 2025 if you are taxed…
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How to complete the ZAW-FA form – step-by-step instructions
The ZAW-FA form consists of 5 main sections – from A to E. The form should be completed clearly, using capital printed letters. Initial data…
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Social Security 2026 contributions for a sole proprietorship (JDG/B2B). Social Insurance. Sickness insurance. Health contribution. The amount of ZUS contributions. Check the ZUS costs of running a JDG
In this article you will find out: Table of contents: ZUS contribution schemes in 2026 Polish entrepreneurs have a choice of different schemes for paying…
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KSeF Token – what it is, how it works, and what to watch out for in practice
With the mandatory implementation of the National e-Invoicing System (KSeF), the concept of the KSeF token appears more and more frequently. For many entrepreneurs, it…
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KSeF – What It Is and What the National e-Invoicing System Is Used For?
The National e-Invoicing System is a revolution in invoicing that moves Polish business into the digital era. The circulation of documents is meant to be…
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Suspension or closure of business activity- JDG? What to choose and why
Running your own business in Poland is not only about the satisfaction of independence and realising your own ideas, but also about responsibilities, costs and…
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Unregistered business activity in 2025 – how to earn extra money legally without setting up a company?
Would you like to earn money from your hobby or sell handicrafts, but are you scared by the thought of setting up a company, paying…
