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Accreditations & Certifications

As part of our commitment to provide the best possible quality and service, Calders and Grandidge are accredited and audited by a number of external agencies.

Accreditations & Certifications

Calders & Grandidge are accredited, and audited, by number of external organisations, and these accreditations help us deliver exceptional service to our clients. Click on a thumbnail to view the external partner websites.

Our Products

Calders & Grandidge is the UK's leading manufacturer of timber utility poles for the communications and power industries, track timbers for the railways, as well as a wide range of fencing, gates and landscape timbers for the agricultural, equine, local authority and domestic markets.