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credit: ambas Real Estate
credit: ambas Real Estate

ambas Real Estate advises Unibail-Rodamco-Westfield on the sale of its REM business in Germany to Sonae Sierra

The German retail real estate advisory firm ambas Real Estate GmbH (ambas) has acted as exclusive commercial sell-side advisor to Unibail-Rodamco-Westfield (URW) on the disposal of URW’s third-party property and centre management platform to the Portuguese shopping centre operator Sonae Sierra (Sierra).

The Real Estate Management platform (REM) comprises a total of 12 management mandates for 9 different property owners with a managed portfolio totaling approximately 680,000 sqm of Gross Lettable Area. Through the acquisition by way of a corporate takeover, Sierra is now one of the largest third-party managers for prime shopping malls in Germany. URW will continue to operate its own assets.


„Our team is honored having advised Unibail-Rodamco-Westfield, one of the leading commercial real estate investment companies in Europe, in a demanding international M&A project. We thank the URW group for the trustful cooperation and congratulate the team of the purchaser on this remarkable acquisition“, says Steffen Hofmann (Managing Partner, ambas Real Estate).


The deal closed on 01 October 2025. For ambas, the completed transaction represents the third successfully closed Corporate M&A deal within a period of 15 months. Prior to this, the company inter alia advised the shareholders of ROS on the sale of their outlet mall management platform to FREY.