Knowledge base

Work During Heat in Poland: New Employer Duties from 2027
13.07.2026

New heat-at-work duties in Poland start from 11 January 2027.

– 35 C in work rooms
– 32 C for heavy outdoor work
– 28 C / 25 C thresholds for technical or organisational measures
– employers need clear communication and documentation

Sigma-B helps organise HR, payroll and employer documentation in Poland.

+48 575 75 8880
biuro@sigma-b.com
https://sigma-b.com/#services

Polish Labour Inspectorate from 8 July 2026: B2B and civil-law contracts under review
09.07.2026

From 8 July 2026, Poland’s Labour Inspectorate has stronger tools to review apparent B2B and civil-law contracts. Here is what employers should check.

New ZUS benefit procedure: less paper, but employers must control the deadline
06.07.2026

From 1 July 2026, employees may submit benefit applications to their employer through an HR system, by email or as a…

ZUS contribution holiday 2026: new RWS 3.0 form and PKD 2025
02.07.2026

The new RWS 3.0 form requires the PKD 2007 or PKD 2025 version. Check the deadline, scope of relief and practical checklist.

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,…

Labour Law Changes in Poland from 2026 — What You Need to Know
31.10.2025

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…