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Contact Us

To find out more about our services, to book an on-site concrete sample or to obtain a calibration quotation, please get in touch with a member of our team using the contact details below. 





General Enquiries

Tel: +44 (0)121 522 3957

Fax: +44 (0)121 522 4958


Address: GT Certification Ltd, Unit A10,

Link One Industrial Park, George Henry Road, Great Bridge, Tipton, DY4 7BU



For calibration quotations and prices, email

For construction testing quotations and prices, email


To send remittance advice; request copy invoices; or for any invoice related queries, email




We are based in the heart of the Midlands with excellent motorway links to enable our fleet of technicians to attend sites anywhere in the UK. 


For all concrete and field testing enquiries, queries or to book an on-site visit, email 



To contact a member of our calibration team,  email



Click here to request a calibration quote.

Click here to request a concrete quote. 


New Customers

Click here to complete a new customer form. 


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