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Quality, Environmental, Health & Safety Management

Calder Engineering is dedicated to complete integrity of its operations and services and this is reflected in its commitment to Quality, the Environment, and Health and Safety. The company has developed and implemented an integrated Quality, Environmental, and Health and Safety Management System that complies with the requirements of ISO 9001:2015, ISO 14001:2015, and OHSAS 18001.

Our mission is to deliver quality assured projects safely, but not to the detriment of price or delivery timescales.

Our Quality and Environmental Management systems are UKAS approved and 3rd party audited annually by  Exova BM Trada.  Our systems are audited internally on a continual basis by our own quality auditor. Consequently any prospective client can be confident that Quality is an integral part of the Calder Engineering total package. Our current Quality Management and Environmental Management certificates are available below.

Calder Engineering Ltd QMS ISO 9001 2015 – 3 November 2018 to 2 November 2021
Calder Engineering Ltd EMS ISO 14001 2015 – 3 November 2018 to 2 November 2021

CE Marking of Structural Steelwork – BS EN 1090-2 


Calder Engineering Ltd are accredited to BS EN 1090-2, CE marking of structural steelwork.  This is a legal requirement for the manufacture of items/components that have a load bearing application.

JOSCAR Hellios 

Calder Engineering holds Stage 2 Qualification with JOSCAR.

Scottish Living Wage


Calder Engineering Ltd supports the Scottish Living Wage and has been a member since 2016.