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Siero

General contractor in Trondheim, Norway, for property development, new builds and renovation of residential and commercial buildings

Heimdal, NorwayFounded 2019siero.noWebsite technologies

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Highlights

  • New on EvolcAdded 2026-10-30

About Siero

Siero AS develops, builds and renovates buildings as a total contractor, taking responsibility for the whole construction project from planning to completion. Its services cover project development, new construction for smaller and larger assignments, and renovation and upgrading of existing buildings.

The company works with property owners and developers. Its reference list includes housing, club houses, schools, offices and technical facilities, and recent public news items mention a contract from Forsvarsbygg at Værnes and a housing contract from Puls Eiendom at Angelltrøa Hovedgård.

Siero is based at Heimdal in Trondheim, Norway, and was founded in 2019. In March 2026 it announced an ownership cooperation with TAS Entreprenør. The website lists 29 projects in its reference list and invites inquiries for construction projects.

Product: Total contracting services for project development, new construction and renovation of buildings.

Jobs at Siero

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