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About us

Law and Tax Office provides comprehensive legal assistance and tax advisory services for business and individual clients. We have extensive experience in legal and tax consultancy, which allows us to approach each client individually, providing him with the comfort of solving his problems.

We combine experience and competences acquired during many years of work in consulting companies, so-called “Big four” and as an in-house lawyer in international and domestic companies. We offer our clients in-depth analysis, constructive solutions to the problems presented, based on the client’s expectations and effective implementation of the prepared strategy of court proceedings.

We treat our clients’ problems as if they were our own, we approach them with passion. Our clients’ trust is the most important determinant and motivator for us.

By entrusting us with your affairs, you can be sure that they will be taken care of at the
highest level.

Dariusz Osada

Dariusz Osada

Attorney at Law (member of the Warsaw Bar Association) and licensed tax advisor. A graduate of the Faculty of Law and Administration at the Warsaw University and Postgraduate Accounting Studies at the Warsaw School of Economics. He has over a dozen years of experience in tax and legal consulting, which he gained working for consulting companies from the so-called “Big four”.

Dariusz specializes in tax advisory services and business law. During his professional practice he advised large international corporations as well as small and medium-sized enterprises on tax and legal related issues. As part of compliance practice, he advises clients in fulfilment their obligations under the regulations of the Tax Ordinance, CIT, PIT and automatic exchange of tax information (FATCA & CRS), as well as obligations in the scope of providing information on tax schemes (MDR) and anti-money laundering (AML).

Dariusz represents his clients in tax disputes with the tax authorities and acts on their behalf before administrative courts. He conducts penal fiscal matters for his clients and acts as their advocate in common courts.

Author of tax publications and co-author of the commentary (FATCA. Commentary, CH Beck 2017).

Anna Osada

Anna Osada

Attorney at law (member of the Warsaw Bar Association), graduate of the Faculty of Law and Administration of the Warsaw University and Postgraduate Studies in Real Estate Valuation at the Faculty of Architecture of the Warsaw University of Technology. She has many years of experience as an in-house lawyer in private entities from the real estate sector. She specializes in broadly understood real estate law, with special knowledge in the field of commercial real estate and property management, as well as in civil, commercial, penal and business law.

As part of her professional practice, she gained extensive experience in the area of creating and negotiating contracts. She provides comprehensive corporate advice to business clients. In addition, she deals with debt collection processes and represents clients before common courts in civil, commercial, criminal and family law proceedings.