# Kb Koelewijn Groep

Construction of residential and non-residential buildings · Bunschoten Spakenburg

Unclaimed profile · https://cogundi.com/en/companies/kb-koelewijn-groep-bunschoten-spakenburg-7d935394-90bb-4cd0-94ba-48cc32e783fc

## Identification

- Legal name: KB Koelewijn Groep
- Activity: Construction of residential and non-residential buildings (41.20)
- Head office: Produktieweg 5, 3751 LN Bunschoten Spakenburg
- Website: https://koelewijngroep.nl

## What the company website says

### Services

- Koelewijn Grondwater & Techniek offers three main services: **groundwater lowering** (temporary lowering of the groundwater table), **well drilling** (boreholes for water sources, geothermal systems and irrigation systems) and **water engineering** (specialized water management installations and geothermal energy systems). (Source: https://koelewijngroep.nl/over-ons/)
### Service area

- The company operates throughout the **Netherlands**, based in Bunschoten but with teams and equipment deployable across the country. (Source: https://koelewijngroep.nl/over-ons/)
### Quality and guarantees

- Koelewijn Grondwater & Techniek holds several **certifications**: ISO 9001 (quality management), BRL SIKB 2100 & BRL SIKB 11000 (environmental and geotechnical works), VCA (health, safety and environment), BRL 6000-21 (geothermal energy installations) and Safety Culture Ladder 2.0 (safety awareness). (Source: https://koelewijngroep.nl/over-ons/)
### Experience and references

- The company has been in business since **1945**, with more than 80 years of experience in groundwater lowering and drilling. (Source: https://koelewijngroep.nl/over-ons/)
### Practical information

- To request a quote or more information, you can contact Koelewijn through the contact form on the website, by email at info@koelewijngroep.nl or by phone at +31 (0) 33 298 21 23. (Source: https://koelewijngroep.nl/contact/)
- The company is located in **Bunschoten**, postal address: Postbus 87, 3750 GB Bunschoten, and visiting address: Produktieweg 5, 3751 LN Bunschoten. (Source: https://koelewijngroep.nl/contact/)

## Sources

- Identification: INSEE, SIRENE database (October 2026 edition), Licence Ouverte.
- Information from koelewijngroep.nl, read on 13 November 2026.