About Gradko App

Quality Accreditations and Certifications


The Environmental and Tubing Departments at Gradko International Ltd are covered by two different Quality Systems appropriate to their activities. Please see below to download the relevant certificates.


The Environmental Department runs a UKAS Accredited Testing Laboratory (No.2187) to ISO17025:2017 – an accreditation standard for calibration and testing laboratories.


UKAS Accreditation Certificate to ISO17025:2017


UKAS Schedule of Accreditation


The Tubing Department runs a Quality Management System certified to ISO9001:2015.


ISO9001:2015 Certificate