Greenberg Traurig advised CA Immo on the sale of the Sienna Center office building in Warsaw to AYA Properties Fund

WARSAW - 5 May 2026 - Greenberg Traurig advised CA Immo on the sale of the Sienna Center office building in Warsaw to AYA Properties Fund, an investor based in Belgium.

Sienna Center is located in Warsaw's main business district, at the intersection of Sienna, Żelazna and Twarda streets, on the border of the Wola and Śródmieście districts. The 33-metre property comprises three interconnected office buildings with separate entrances and offers tenants approx. 20,000 sqm of office space together with 250 parking spaces. The building holds a BREEAM certificate at the "Very Good" level.

The Greenberg Traurig transactional team was led by Counsel Filip Widuch, who was supported by Associate Bruno Jasic.

Partner Radomił Charzyński, Co-Head of the Real Estate Practice, supervised all work on the transaction.

"We congratulate CA Immo on the successful sale of Sienna Center, another high-quality Warsaw office property to be transferred to a new owner with our support. We are pleased to have once again advised our long-standing client on a transaction that confirms the continued appetite of international investors for well-located, well-managed office assets in the Polish capital. We look forward to seeing the next chapter for this landmark building," said Radomił Charzyński, Partner and Co-Head of the Warsaw office real estate practice.

"The sale of Sienna Center is fully in line with our portfolio strategy. Following many years of successful ownership and active asset management, the divestment allows us to crystallize value and redeploy capital into our development pipeline in Central European capitals," said Christoph Buchgraber, Investment Manager at CA Immo.

"We very much appreciated the smooth and professional cooperation with the Greenberg Traurig team throughout the process. Their legal and market expertise was instrumental in delivering the transaction on time," added Ingo Steinwender, Group Head of Legal at CA Immo.

CA Immo is an investor, manager and developer specializing in modern office properties in the metropolitan cities of Germany, Austria and Central Europe. The company covers the entire value chain in the commercial property sector and has a high level of in-house construction expertise. Founded in 1987, CA Immo is listed on the ATX of the Vienna Stock Exchange and holds property assets of approximately EUR 4.7 billion.