Transaction – what should you bear in mind when signing the agreement?
When conducting a transaction, the parties and their advisers, focus primarily on agreeing on the substantive elements to work out...
Full scope from A to Z – leases, transactions, legal audits, building and development projects, financing, corporate services, disputes.
Trusted support for your properties.
Full scope from A to Z – leases, transactions, legal audits, building and development projects, financing, corporate services, disputes.
Trusted support for your properties.
We specialise in providing comprehensive support to real estate funds and developers (360°: leases, transactions, disputes with tenants, financing, rent collection, corporate matters and GDPR / compliance).
Our legal support includes
transactionscommercial leasecorporate mattersinvestment process
Click the button below to learn more about our areas of expertise.
Our team consists of lawyers specialising in commercial property services. We are well acquainted with the practical and commercial aspects of real estate companies' operations. On a daily basis, we work with asset and investment managers, leasing teams, administrators, in-house lawyers, debt collection specialists, etc.
Sławomir Lisiecki is an experienced legal advisor specialising in commercial real estate and the founder and managing partner of our law firm.
For over 20 years, he has been supporting real estate clients, working mainly with portfolio / asset / investment managers.
He is involved in property acquisition and sale transactions, negotiations of more complex lease agreements, investment and construction issues, as well as financing. He focuses on optimising processes, simplifying documents, coordinating team cooperation and closing deals.
Specialisation: purchase and sale transactions, lease agreements, investment and construction issues, financing
Industries: commercial real estate (developers, funds, contractors involved in commercial, office and warehouse projects)
Legal experience: since 2003
Piotr Janiuk is an attorney-at-law with over 20 years of experience, specialising in commercial real estate, and a partner in our law firm.
He supports clients in negotiating lease agreements, agreements related to the day-to-day operations of commercial, office and warehouse facilities, as well as in financing and real estate purchase and sale transactions.
He works with real estate funds and developers involved in office, commercial and warehouse projects, with a deep understanding of the specifics of this sector.
Specialisation: lease agreements, asset management, purchase and sale transactions
Industries: commercial real estate (funds, developers involved in office, retail and warehouse projects)
Legal experience: since 2002
Borysław Machczyński is an attorney-at-law specialising in commercial real estate and is a partner in our law firm.
He has over 22 years of experience in the industry. He advises clients on real estate purchase and sale transactions, commercial lease agreements and the investment process, including issues related to the construction process.
He supports developers operating in various market segments, including the residential market. He believes that the law should be a tool to support business, not an end in itself. Therefore, in his work, he focuses primarily on finding practical solutions tailored to the real business needs of his clients.
He cooperates with developers, investment funds and other entities involved in warehouse, commercial, office and residential projects.
Specialisation: purchase and sale transactions, lease agreements, investment and construction issues, advisory services for residential developers
Industries: commercial real estate (developers, funds, contractors involved in commercial, office, warehouse and residential projects)
Legal experience: since 2003
„We are pleased to recommend Argon Legal as a reliable partner, providing comprehensive legal services for our shopping centre in Warsaw. We have worked together for many years and Argon Legal team demonstrates professionalism, efficiency and a thorough understanding of our business needs.”
“Argon Legal lawyers are known for their excellent negotiation skills, allowing us to achieve favourable lease terms, building stable relations with tenants.”
“We worked with Argon Legal on the acquisition of 8 warehouse projects and on financing in this regard. (…) We are satisfied with the course of aur cooperation and can confidently recommend Argon Legal as a reliable and professional law firm.”
“We have the pleasure to cooperate with Argon Legal as regards providing assistance in respect of our portfolio of office and retail projects. (…) We consider it to be an advisor worth recommending to companies requiring assistance in the area of real estate.”
“We are pleased to recommend Argon Legal as an expert in the area of legal support for our warehouse projects. (…)Cooperation with them is very efficient. Their team is always ready to answer our questions, and their approach is focused on our needs and expectations.”
“Argon Legal provides us with legal services for a residential investment consisting of seven multi-family residential buildings and a commercial building (...). We can wholeheartedly recommend Argon Legal to companies seeking professional legal support.”
We stand out thanks to the quality of our solutions, which allows us to maintain long-term relationships. Thanks to unwavering trust, we have customers with whom we have been cooperating for over 10 years.
See which clients we work with and what projects we manage.



Frequently Asked Questions
No, we do not serve individual clients – we focus solely on working with owners and commercial property funds.
We specialise in retail, warehouse, office and residential properties.
We provide support in lease agreements (drafting templates, negotiations, etc.), transactions, due diligence, construction and development projects, financing, corporate services, and disputes.
Take a coffee break and visit our Blog, where we publish the latest news and articles related to real estate issues.
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