Important now

Check our newest soultions in the scope of property tax, family foundations, R&D tax relief, B2B contracts and many more!  

Check our newest soultions in the scope of property tax, family foundations, R&D tax relief, B2B contracts and many more!  

15 years on a shared journey: ALTO’s anniversary.

15 years on a shared journey: ALTO’s anniversary.

B2B audits are gaining momentum. The National Labour Inspectorate (PIP) is publishing its first interpretations.

B2B audits are gaining momentum. The National Labour Inspectorate (PIP) is publishing its first interpretations.

R&D relief, EU grants and the Polish Investment Zone (PIZ): a guide to combining support

R&D relief, EU grants and the Polish Investment Zone (PIZ): a guide to combining support

Katarzyna Adamowicz

Partner & Tax Advisor

+48 22 652 27 51 Linkedin

Katarzyna advises clients both in the area of direct and indirect taxes. She deals with ongoing tax consultancy, and also implements projects aimed at minimizing tax risk and achieving tax savings. At ALTO, she is responsible for the development of tax advisory services for companies in the TSL sector and entities operating in the real estate industry, including development companies.

Her experience mainly includes advising international enterprises, but also state-owned companies, including the management of complex legal and tax projects and conducting due diligence reviews. She also coordinates the work of an interdisciplinary tax and accounting team serving Family Foundations.

In addition to ongoing tax consultancy, she also delivers tax trainings and represents taxpayers in proceedings before tax authorities and administrative courts.

Katarzyna is a graduate of the Faculty of Journalism and Political Science at the University of Warsaw (2011) and the Warsaw School of Economics (2013). She has been a licensed tax advisor since 2015. Katarzyna is an author of numerous press publications, as well as a co-author of books.

Before joining the ALTO team, she worked as an in-house expert at the client’s internal tax department, and also served as a director of the tax advisory department in one of the largest accounting companies in Poland. Previously, she cooperated with MDDP and Gekko Taxens.

More about me

Knowledge base

ksef faktury elektroniczneefaktury technologia
10 January 2026

KSeF invoices in Poland: what is the National e-Invoice System and how does it work? [2026 Guide]

Poland is on the threshold of a digital revolution in invoicing. The National e-Invoice System (KSeF) will change the way business...

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KSeF invoices in Poland: what is the National e-Invoice System and how does it work? [2026 Guide]
1 July 2025

July at ALTO: three new Partnership promotions – Katarzyna Adamowicz, Karolina Mazurkiewicz-Grzybowska, and Dominik Niewadzi in new roles

From the beginning of July 2025, ALTO welcomes three highly experienced and dedicated individuals to its partnership team. Three d...

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July at ALTO: three new Partnership promotions – Katarzyna Adamowicz, Karolina Mazurkiewicz-Grzybowska, and Dominik Niewadzi in new roles
19 January 2024

[ALERT ALTO]: URGENT! Mandatory e-invoicing (KSeF) implementation in Poland postponed

We would like to inform you that on January 19, the Ministry of Finance announced the postponement of the mandatory implementa...

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[ALERT ALTO]: URGENT! Mandatory e-invoicing (KSeF) implementation in Poland postponed
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