TESS holds a great number of certificates and approvals to ensure that the quality of our work is well preserved. TESS is certified according to ISO 9001, 14001, and 45001, audited and approved by DNV.
To emphasize and strengthen our quality goal; Customers to return – not the products, TESS offers to our customers approved hose workshops to ensure high quality and reliability. Several of our workshops are certified by DNV and approved to manufacture type-approved (TA) hoses. The wide range of TA covers industrial-, metal- and hydraulic hoses. In addition, TESS holds the approval according to the marine equipment directive, MED.
TESS has certified welding workshops according to NS-EN ISO 3834-2 and welders certified to NS-EN 287. NTD personnel within penetrant testing (NSEN 473) and welding approval procedures (NS-EN ISO 15614-1).
Accreditations
TESS is also an approved supplier through Achilles, holding certificates in Achilles Network, Global Energy, TransQ (transport companies), StartBANK (construction and civil engineering industry), and UNCE (energy supply). TESS is also approved through Magnet JQS, a supplier register and qualification system for suppliers to the energy sector.