During the first 18 months the company only carried out bus repairs.

The factory expanded in 1989 by an additional 10,000 m2 resulting in a production capacity of 350 units a year following the acquisition of Hainje.

[1] In 1994 Belgium bus and coach manufacturer Jonckheere with a total sales of 400 units per year and 500 employees, was acquired.

The total staff number of employees of the Berkhof Groep now reached 1,200.

The company has also built low-floor articulated trolleybuses for Arnhem in the Netherlands,[2] and Solingen in Germany.