Home  /  About us

Specialist in geotechnical soil exploration

Wiertsema & Partners was established in 1979 and has grown into a renowned geotechnical engineering company in the Netherlands. We have a large diversity of clients. Whether we are conducting a field study for a private client or involved in a large-scale complex project for the government or a multinational, all projects are carried out with the utmost care. 

In the field of soil mechanics and environment we can assist you with field research, geotechnical laboratory testing and monitoring. In addition, we have an experienced consultancy department, which consists of the fields of geohydrology, environment and geotechnics. We conduct services for: construction projects, civil engineering projects, dike reinforcement, the petrochemical and energy market. On the projects page you can find examples of different activities.

Professional and caring 

Our motivated and well educated employees address the needs of our clients and have respect for the environment. 

We can offer a full-service concept aimed at unburdening the client.

We perform the field research and geotechnical laboratory testing ourselves and provide you with solid consultancy. During the project, we limit the risks by performing measurements and monitoring. With this we always have the appropriate solution for your questions.

A multidisciplinary approach

We are an expert in all aspects of soil investigation and underwater soil sampling in inland waterways and offshore. Our offshore activities are conducted by our sister company Marine Sampling Holland.

In 2011 Wiertsema & Partners and BK Groep 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 was 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.