Sigma-B Is Authorized to Register Companies in BDO: Your Business No Longer Has to Risk Penalties
05.12.2025
In 2025, an increasing number of entrepreneurs in Poland face the obligation to register in BDO — the Database on Products,…
Starting from 1 January 2026, a major reform of the Polish Labour Code (Kodeks pracy) will come into force.The reform aims…
Sigma-B sp. z o.o. Services Overview
10.03.2025
Sigma-B sp. z o.o. is a modern accounting firm in Warsaw, offering comprehensive financial, tax, legal, and office services for businesses….
Tax Accounting for E-commerce Companies
05.08.2024
E-commerce has become one of the fastest-growing sectors of the economy. As this sector grows, so does the complexity of tax…