Hamilton International is a privately owned company operating exclusively in Warsaw and Krakow and specialising in the premium segment of the office leasing market and Capital Market transactions. The firm is a member of the Hamilton Group of companies which have been established on the Polish real estate market since 2004.

Hamilton International was established in 2019 in response to an increasing demand within the Hamilton Group to cater for office leasing requirements. It has been founded by a team of talented individuals from within Hamilton Group itself, and also by bringing in seasoned professionals from the wider market.

As a result of 15 years in business, Hamilton Group has grown into a recognized brand on the Polish property market and has a reputation for high standards of service and integrity. Consequently it has the privilege of working with some of the most established companies and individuals on the Polish property market.

Our Team

Associate Director profile photo
Michał Porzycki

Associate Director

Michał Porzycki holds the position of Associate Director at Hamilton International. In his role...

Michał Porzycki holds the position of Associate Director at Hamilton International. In his role he is accountable for supporting and leading the consultancy team in advising on office lease acquisition, market research and handling negotiations on behalf of clients.

Michal has over 8 years of experience in the commercial leasing sector. He gained his knowledge working in senior positions for internationally recognised real estate companies in including Savills, CBRE, EY and BNP Paribas.

Having applied his trade in Warsaw, Michał is well recognised professional in his local market, and has leased in the region of 35,000 m2 of office space to satisfied clients, with notable individual transactions ranging up to 5,000 m2.

As a lease management specialist, Michal’s expertise is in both Tenant and Landlord representation where he has served international clients with B2B solutions to improve the commercial terms of their leasing arrangements.

Michał is a graduate of the prestigious Warsaw School of Economics and Finance where he was awarded a bachelor’s degree in Economics in 2004 followed by a Master’s degree in 2006.

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Ilona Stanik

Senior Consultant
PRS & Capital Markets

Ilona Stanik holds the position of Senior Consultant PRS and Capital Markets at Hamilton International...

Ilona Stanik holds the position of Senior Consultant PRS & Capital Markets at Hamilton International. In her role, Ilona is responsible primarily for representing PRS (Private Rented Sector) investors in residential acquisitions and disposals in addition to negotiating Capital Market transactions across other market sectors.

Ilona has over 7 years’ experience in the residential real estate market in Warsaw. She initiated her career at Home Broker S.A Reality as a leasing advisor where she completed over 250 transactions. In 2015 Ms Stanik joined Hamilton May where she has developed into tenant and landlord representation for PRS investors to become a recognised professional in the field in addition to specialising in premium sector leasing.

Her focus is negotiating residential acquisitions for private and institutional investors and the leasing of existing portfolios. In 2018 Ilona completed a milestone transaction in representing a foreign PRS fund in the purchase of 48 units in Praga Północ. In addition to managing the interests of the fund, Ilona also co-operates closely with other PRS investors notably at Zlota 44 and Pereca 11 where she has been instrumental in establishing Hamilton May as a leading letting agent.

Ilona holds a master’s degree in Business English from the Academy of Humanities and Economics in Lodz and a post master’s degree in management from the Radom Academy of Economics.

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Mateusz Byczenko


Mateusz Byczenko works in the position of Consultant at Hamilton International. In his role, he is accountable for...

Mateusz Byczenko works in the position of Consultant at Hamilton International. In his role, he is accountable for providing professional advice to clients to assist them with office lease acquisitions, market research and conducting negotiations.

Mateusz has 3 years of professional experience in the commercial real estate sector in Warsaw. He began his career at CBRE as a database co-ordinator where he acted as a support for a large office leasing team, focussing on both landlord and tenant representation. Mateusz was responsible for maintaining current market data though continuous contact with landlords and other data sources and in turn, using the data to create reports, presentations and market analysis, for his team.

Using his broad market knowledge Mateusz has been influential during the start up phase at Hamilton International and has been instrumental in establishing a new database and a network of contacts of existing office landlords.

Mateusz graduated from Maritime University in Gdynia where he was awarded a Bachelor of Science degree.