Creating workplaces
where people and enterprises thrive.

Castellum focuses on energy saving in its properties as part of the national Energy Saving Campaign

The unusual situation in the energy market requires concrete actions in every sector. As a responsible property owner, Castellum aims …

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Castellum’s share receives Green Equity Designation from Nasdaq

Castellum has met all the conditions for securing the Green Equity Designation on Nasdaq Stockholm and has now become the …

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Featured Properties



Martintalo at Jaakonkatu 2 in Vantaa was built in 1992 as Siemens’ head office in Finland. 


Salmisaarenaukio 1

A historic urban area by the sea, an industrial environment and state-of-the-art headquarters-level office spaces.


Derby Business Park

LEED-certified office buildings that offer high-quality premises.


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