Obligation to submit an annual tax return for persons working in Poland

Submission of annual tax return is an obligation of each individual having any type of tax liability in Poland - either unlimited or limited. Depending on the type of the source of the income, taxpayer may fill in even up to several different tax returns, hence it is not very easy procedure and often assistance of tax advisor is needed.

Accounting outsourcing in the food industry. Emergency accounting support in times of internal staffing crises

It is common for Polish entities owned by international groups to manage key processes, including accounting, from abroad. While this approach can be efficient from a group perspective, it creates challenges related to compliance with local regulations and Polish law. In such cases, outsourced accounting support can prove invaluable.

• Payroll and HR outsourcing

Mergers and Acquisitions Market in Poland – Analysis of M&A Transactions in 2025 and Outlook for 2026 [REPORT]

The Polish mergers and acquisitions market is entering a phase of greater maturity. After several years of high investment activity, investors are increasingly focusing on the quality, selectivity and strategic rationale of transactions. How are the realities of the domestic M&A market evolving, and what factors currently determine the success of investment processes?

New deadline for submitting JPK CIT. How will this affect accounting obligations?

Taxpayers required to submit their first JPK CIT reports in 2026 have gained additional time to refine the processes associated with this new obligation. The latest regulations extend the reporting deadline from 31 March to 31 July 2026 for taxpayers whose financial year corresponds to the calendar year. How can this extra time be used most effectively to avoid issues during the first reporting cycle?

Accounting outsourcing in the real estate industry. Support for important financial settlements

It is common for companies with internal accounting teams to require additional external support. This typically results from the high volume of obligations that accumulate during key reporting periods or from the need to ensure full compliance with regulatory requirements. Such a challenge was brought to us by a Client operating in the real estate market.

Grant Thornton advised PKP PLK on the acquisition of Cargotor

Grant Thornton acted as strategic advisor to PKP Polskie Linie Kolejowe S.A. in the process of acquiring 100% of the shares in Cargotor sp. z o.o.

Employment of foreign nationals in Poland in 2026: key changes and important deadlines in immigration regulations

Is your company ready for the end of the "flexible" stay era? Hiring foreigners 2026 involves not only extended temporary protection for Ukrainian citizens but, above all, the strict EES system (planned for September), a fourfold increase in fees, and criminal liability risks for management boards. We have prepared the 2026 summary to highlight the critical deadlines and changes coming into force in the coming months.

Employee mobility in 2026 in Poland – How to safely manage remote work and secondments under Polish tax and social security regulations

Employee mobility - understood as the ability to perform work from various locations, including from abroad - has become a permanent feature of the operating model of many organisations. In 2026 in Poland, it is no longer a fringe benefit but a standard expected by employees and increasingly accepted by employers. However, flexibility goes hand in hand with very specific and often underestimated risks under Polish personal income tax (PIT), Polish social security contributions (ZUS) and international tax rules.