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Van Woerkom, Nobels & Ten Veen (WNV)

is a privately held company of marine surveyors and consulting engineers with a well-deserved reputation for reliability and expertise.

Offering a broad range of services, including damage assessment, valuations and warranty services, WNV's team operates internationally, responding at short notice to requests for expert advice regarding vessels and associated equipment.

All WNV surveys are carried out to the highest levels of integrity and technical knowledge.


WNV has a long tradition of excellence, evolving over the last eighty-five years from a local family-run surveying business into a thriving international marine expertise bureau. WNV operates from its head office in Sliedrecht, the Netherlands and makes use of a network of experts around the world for local surveys.

WNV's clients include maritime insurance companies, P & I clubs, owners, contractors and join venture consortia.

WNV is an ISO 9001:2015 certified company.

Expertisebureau Van Rees BV is a subsidiary of Van Woerkom, Nobels & Ten Veen and carries out on/off charter, damage and valuation surveys on mainly inland shipping vessels, and associated wet/dry contractors equipment.

Van Rees BV offers certification services for inland shipping vessels under Dutch or other European Flags via her to NBKB affiliated surveyor(s).

With over 4 decades of experience and a well motivated and trained team Van Rees BV has a solid back ground to serve her clients. More information >

Visiting address
Kubus 60
3364 DG Sliedrecht
The Netherlands
Post address
PO Box 14
3360 AA Sliedrecht
The Netherlands
Telephone +31 (0)184 41 48 00
Telefax +31 (0)184 41 16 30
24-hr service +31 (0)653 32 63 57
E-mail: info@wnvnl.com