Colsen B.V, is an international expert with 30+ years of expertise in the field of water, environment and sustainable energy. While situated in the Netherlands, Italy, Spain and South Africa and working with an international partner network, we can provide local support, driven by our desire to find innovative and sustainable solutions. Our motivated (environmental) engineers and expert project teams provide our customers with sustainable, tailor-made solutions. Working on today’s practice and tomorrow’s innovation!
| Website | http://www.colsen.nl |
| Revenue | $6.1 million |
| Employees | 38 (28 on RocketReach) |
| Founded | 1989 |
| Address | Kreekzoom 3, Hulst, Zeeland 4561 GX, NL |
| Phone | +31 114 311 548 |
| Technologies |
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YouTube
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| Industry | Water, Waste, Steam, and Air Conditioning Services, Energy, Utilities & Waste Treatment General, Energy, Energy, Utilities & Waste Treatment, Environmental Engineering, Science and Engineering, Sustainability, Information Technology, Renewable Energy, Water, Natural Resources |
| Web Rank | 14 Million |
| Keywords | Colsen |
| Competitors | Veolia, Ecolab, Xylem, SUEZ, Aquatech, Mwh Construction, Koch Filter, Feralco AB, AquaVenture Holdings, December Labs +39 more (view full list) |
| SIC | SIC Code 49 Companies, SIC Code 495 Companies |
| NAICS | NAICS Code 221 Companies, NAICS Code 22 Companies |
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Colsen Questions
The Colsen annual revenue was $6.1 million in 2026.
Boris is the Managing Director of Colsen.
28 people are employed at Colsen.
Colsen is based in Hulst, Zeeland.
The NAICS codes for Colsen are [221, 22].
The SIC codes for Colsen are [49, 495].
Top Colsen Employees
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Boris
Managing Director at Colsen
Zeeland, Netherlands2 -
2
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J.g.m.
Environmental Manager at Colsen
Zeeland, Netherlands1 -
Jan Bijnagte
Business Development Manager at Colsen
Utrecht, Netherlands1 -
Marc Tasma
Sr Engineer at Colsen
Middelburg, ZE, NL22 -
Frederique Verhulst
Project Engineer at Colsen
Terneuzen, ZE, NL2 -
Robin Jordaens
Sales Director at Colsen
Kapellen, BE11 -
1
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Ewoud de Baere
Senior ingenieur at Colsen
The Hague, ZH, NL1
