Demaco Oy is a company specialized into developing and managing construction projects.


Our core business is project management, site supervision and other professional consultancy
services in new construction and renovation projects.
The company was founded in 1995 and we’re the member of the RTL.
(The Association of Construction Management Companies)

Demaco is part of the Sweco Group
Our business idea is to be a reliable partner for the client.
We carry out independent construction consultancy for our clients’ best interests without strings to
other interest groups in the construction- and real estate -sector.

During over 20 years Demaco Oy has carried out numerous amounts of different new building and refurbishment
projects achieving strong clientele in construction business especially around the Helsinki metropolitan area