Specialist in soil exploration


We have been an expert in geotechnical soil exploration since 1979 and have grown in subsequent decades into a renowned engineering consultancy in soil mechanics, environment and water. 

Our company is specialised in:

        logo Wiertsema & Partners geotechnical field studies and consultancy
   logo Wiertsema & Partners geotechnical laboratory analysis
   logo Wiertsema & Partners geohydrological field studies and consultancy
   logo Wiertsema & Partners monitoring and special tests
   logo Wiertsema & Partners environmental soil and groundwater exploration and consultancy 

 
In november 2007 we extended our activities with sea soil exploration with the foundation of the new PLC:  Marine Sampling Holland

From April 1 2011 Wiertsema & Partners and BK Groep have continued the activities of Bouwlab and its sistercompany Curaçao Milieuadvies. The new founded company is called: Civil, Environmental & Geotechnical Engineers Caribbean, in short CEGE Caribbean

In 2016 SEMASO is founded as a sister company in close cooperation with Ravensrodd Consultants Ltd. SEMASO is specialised in sediment management solutions for rivers, estuaries and marine coastal environments around the world.

Quality and safety are our top priorities. We have several certificates to guarantee good quality and to insure our employees can work in a safe environment.