How do you mobilise immovables?
With insight, expertise and intuition.

We are your partner for successful real estate investments – with a local presence and always on the look-out for potential added value. We are always thinking ahead and developing new ideas to put us, incorporating ESG criteria, and our properties in the best possible position for the future. We combine the experience of an established team with agile, owner-managed structures. We understand the market and track down new opportunities. We are strategists who get to grips with the issues and who you can rely on to be there for you, because, for us, that’s what makes a genuine partnership.
SONAR Real Estate: Knowledge. Instinct. Success.


We act quickly, efficiently and thoughtfully to convert your opportunities into successes.

Our company


We offer a broad spectrum of services and investment options in three business areas.

Transaction and asset management
Project development and revitalisation


We are a team of experienced experts who aim to do more together with our customers.

Our team

On track.




employees¹(thereof 6 employees - Sonar Development)

EUR 3.3 billion

of which approximately EUR 0,81 billion is in capital management company structures


properties under management

Approx. 1,000,000 m²

of rental space in total


revitalisation and new construction projects implemented since 2011

  • ¹ thereof 6 employees - Sonar Development

Sonar Development and Four Points celebrate topping-out the "Zleep" hotel in Kelsterbach, near Frankfurt am Main

Frankfurt, 24 November 2023

Copyright: Sonar Real Estate

After only six months of construction work, Sonar Development (sonar) and Four Points Development have held the topping-out ceremony of their new hotel in Kelsterbach. Sixty guests attended the festive occasion, including Manfred Ockel, the Mayor of Kelsterbach, Sonar Managing Director Christoph Wittkop representing the developer and owner Four Points Development. Sabrina Lode, Director Openings & Integrations at Deutsche Hospitality, the future lessee of the "Zleep" brand hotel, also attended. The architecture was designed by the Hamburg-based office PSP. In autumnal temperatures, Matthias Beier from the general contractor Kassecker gave the ceremonial topping-out speech, to applause from all present. [...]

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