Law firm



See our services

Our Services

 Legal assistance in leasing and ongoing advice related to commercial buildings

 Construction and development projects

 Real estate transactions and due diligence

 Dispute resolution, mediations

Our Team

Sławomir Lisiecki


Attorney-at-law, Partner

22 211 22 88




Attorney-at-law, Restructuring advisor, Licensed insolvency practitioner, Partner

22 211 22 87




Attorney-at-law, arbitrator of Lewiatan Court of Arbitration

22 211 22 60



Złote Tarasy


Hala Koszyki



  • 21/02/2020 0 Comments
    The Law Firm’s Client’s success – the court confirms the valuer’s responsibility for incorrect valuation of the property for the purpose of determining the perpetual usufruct fee

    Argon Legal has represented a client in a finally won case against a property valuer and his insurer for damages caused by this valuer by inflation of the value of a real property in an appraisal, which was a basis for initiation by the municipality of proceedings aiming to increase the annual perpetual usufruct fee.

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  • 12/07/2018 0 Comments
    Business forum Poland – Georgia


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  • 28/05/2018 0 Comments
    Asset management workshop – 11 of June

    We invite you to take part in the workshop dedicated to the bankruptcy of tenants and submission to enforcement. Please contact to participate.

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  • 15/05/2018 0 Comments
    The most disputable clauses in office premises lease agreements 2018

    Argon Legal in cooperation with Rics Polska starts another research regarding the most disputable clauses in office lease agreements. Our law firm specializes in commercial real estate and that is why we want to identify the clauses that are the most time-consuming. We have prepared a set of provisions used in office lease agreements and we would like to ask you to evaluate how difficult they are to negotiate with tenants from you experience. On the basis of the results we will prepare a report which will be made available to everyone interested in this subject free of charge. We would like to invite you to participate in our research:

    The most disputable clauses in office premises lease agreements 2018

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  • 05/04/2018 0 Comments
    Argon Legal for HB Reavis

    Argon Legal assisted HB Reavis in the transaction regarding execution of the lease agreement relating to 14 thousand sq. m. of the area in the office building Varso owned by the developer. Works for HB Reavis were coordinated by the team supervised by Slawomir Lisiecki.

    The tenant is the American organization building an international network of campuses supporting development of companies – Cambridge Innovation Center. It is involved in pioneer projects in the area of energy, biotechnology, digital economy and materials engineering. CIC in HB Reavis office building will be the second branch of this organization in Europe.

    – The possibility to represent HB Reavis in such a significant lease transaction is an honor to us. We are happy that negotiations and execution of the agreement were successful and beneficiary for both parties. The success of the transaction is surely a great beginning for the very promising cooperation between HB Reavis and CIC, in which our law firm could take part – says Slawomir Lisiecki, partner in Argon Legal.

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  • 21/02/2018 0 Comments
    New experts in the team

    More experts in Argon Legal. Person that joined our team is Wojciech Kowalczuk – a specialist in drafting and negotiating commercial lease agreements. In Argon Legal Wojciech also provides assistance in relation to building management and administration.

    We also invited to cooperate with us Justyna Cedro – a trainee legal advisor at Warsaw Bar Association. Prior to joining the team she provided legal advice to one of the French companies from the energy sector, as well as the Polish developer specializing in managing shopping centers and investing in real estate.
    Warm welcome to new members of our team. We wish you every success!

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  • 20/02/2018 0 Comments
    New reveal – Argon Legal (formerly Galt Legal)

    After eight years of founding Galt we have decided to change the name and refresh the image of our law firm.

    We would like to welcome you on our website as Argon Legal. By now we have closely cooperated with tax and accounting companies under the same name and logotype. Now, our team under the new name – Argon Legal, will focus on legal advice for businesses.

    Over these eight years, since we have found the law firm, we have assisted with over 1,000 lease transactions. Real estate are our strong side and we have in our portfolio many significant retail, office and warehouse projects. We are changing because we want to underline our leading specialization on the basis of which we built our success.

    Argon Legal still includes our partners – Sławomir Lisiecki, Adam Miłosz and Piotr Janiuk, as well as the team of 20 experts.

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