Sienna 75, 00-833 Warsaw
Serviced offices in central Warsaw, Sienna 75 — Cluster Sienna Center. 1,800 m², 52 private offices, coworking, meeting rooms. 5 min from Rondo ONZ metro.


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Each product has a different process. View offices during a tour. Start coworking with a single day. Book meeting rooms by the hour.
Serviced offices at Cluster Sienna 75 are private, boutique workspaces in the very heart of Warsaw. Designed with attention to detail, they offer comfort, quiet, and an atmosphere conducive to focus. These offices are ready for work from day one — elegant, fully equipped, and can be customized to meet the tenant's needs. Perfect for companies looking for a prestigious location and a peaceful place for daily work.
We provide a quote after a site visit and a discussion about your team's needs. Prices are net, plus 23% VAT.
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This is an example of currently available offices. We show full availability during a viewing.
Nie widzisz biura dla siebie? Pokazujemy tylko to, co gotowe od zaraz. Łączymy biura dla większych zespołów, meblujemy pod Wasz układ i wiemy z wyprzedzeniem, co się wkrótce zwolni — napisz, czego szukacie.
Coworking at Cluster Sienna is designed for individuals and companies that need a professional and flexible workspace right in the heart of Warsaw. It is a perfect solution for both freelancers and employees working in a hybrid model.
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Biurko hot-desk we współdzielonej przestrzeni – najbardziej elastyczna forma najmu.
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Hot-desk with access to full office infrastructure.




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Dedicated desk size 140x80 cm in a closed, private office. Monthly rental.
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Cluster Sienna offers conference and meeting rooms designed for business meetings, recruitment, training, and workshops. These spaces are fully equipped for teamwork, presentations, and hybrid meetings.

TV 65" • Camera • Jabra Speaker • Whiteboard
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TV 55" • Camera • Jabra speaker • Writing board • View of the Daszyński roundabout
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Rzutnik i ekran projekcyjny lub zestaw dwóch TV 65" • Mikrofon bezprzewodowy • Nagłośnienie • Catering
Reception · High-speed internet · Kitchen · Phone booths · Cleaning · Printing · Community events
Stops, the train station, and the city center — just minutes away.