Meet our team
Małgorzata Żaczek
Accounting Project Manager
Małgorzata Żaczek has 18 years of experience in accounting, including 16 years in outsourcing services. She specializes in accounting and tax functions, tax calculations, and comprehensive financial reporting, including balance sheets, tax, and management reports.
Before joining Arena Advisory, Małgorzata led an accounting team at an international corporation that provided services across Central and Eastern Europe. Her role involved overseeing accounting operations and ensuring compliance with diverse regulations.
She graduated with a degree in Finance and Accounting from the University of Warsaw. Additionally, she completed postgraduate studies in Labor Law and Business Development Management at the same institution. Małgorzata Żaczek also holds a certificate from the Ministry of Finance, which authorizes her to maintain accounting records. She has furthered her expertise with courses for chief accountants and payroll specialists.
Do you need assistance with taxes, transfer pricing, accounting, financial system automation, HR, or payroll?
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Arena Advisory is a partner of the ILCA4 Youth European Championship 2025 in Puck
Between 18–25 June 2025, we had the honor of supporting the ILCA4 Youth European Championship,...
Nomination for ITR EMEA Tax Awards 2025 – we are among the best
We are proud to announce that Arena Tax has been nominated for the prestigious Transfer...
MGI Talent Meeting 2025 – Arena Advisory among the participants
On February 20–21, 2025, Arena Advisory, as an active member of MGI Worldwide - a global network...




