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External Certification

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.

Calders and Grandidge Certificates

Click on one of the links below to view and download our certificates.

Assessment Certificates

WPA Benchmark 2014

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WPA Benchmark 2016

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FORS Scheme

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EN14229 - CE Mark

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UVDB Audit Certificate

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RISQS Certificate

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ISO/OHSAS Certificates

ISO 14001:2015

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OHSAS 18001:2007

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ISO 22301:2012 Business Continuity

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PEFC/FSC Certificates

PEFC - BMT-PEFC-0123 (2012 - 2017)

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PEFC - BMT-PEFC-0123 (2017 - 2022)

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FSC - TT-COC-001098 (2012 - 2017)

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FSC - TT-COC-001098 (2017 - 2022)

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Insurance Certificates

Public Liability

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Employers' Liability

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Declarations of Performance

PMCI - Imported Pseudotsuga Menziesii Creosote (Douglas Fir) Treated Pole

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PMGI - Imported Pseudotsuga Menziesii Green (Douglas Fir) Treated Pole

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PSCI - Imported Pinus Sylvestris (Scots Pine) Creosote Treated Pole

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PSGI - Imported Pinus Sylvestris (Scots Pine) Green Treated Pole

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