Since 1998 Franki has been part of Willemen Groep, the largest family construction group in Belgium.

Since 2005, Cosimco has been part of Willemen Groep, the largest family construction group in Belgium.

Since 1998 Franki Construct has been part of Willemen Groep, the largest family construction group in Belgium.

Willemen Construct came into being on 1 July 2018 as a result of the merger between Willemen General Contractor and the construction department of Kumpen.

Contractors