Our Accreditations

Langley Design have all the current industry certifications to ensure we deliver a high quality, well managed, safe and professional service to all our customers.


ISO45001:2018 Occupational Health & Safety Management System

View our ISO 45001:2018 Certificate (OHS750608).


ISO9001:2015 Quality Management System

At Langley Design, we are committed to operating our Quality Management System (QMS) to the exacting requirements of the ISO9001 Quality Standard and have held BSI accreditation since 2010. We are proud to have maintained our accreditation during the transistion to the latest 2015 revision of the standard. Langley Design have robust system, process & control and a positive approach to continual improvement throughout the business.

View our ISO 9001:2015 Certificate (FS558418).


CHAS provide compliance checks across various areas of Risk Management and Health & Safety as one of the founder members of Safety Schemes in Procurement (SSIP). Our CHAS accreditation gives you confidence that managing risk and safety within our business is of paramount importance to us. At Langley Design we are dedicated to ensuring all our employees and customers are able to work in safe and controlled environments.

View our CHAS certificate.

Constructionline Gold

The Constructionline register for pre-qualified construction services allows you to quickly check Langley Design are validated to the latest PAS91 criteria and have the correct accreditations, systems and processes in place to ensure we can deliver on your latest project.

View our Constructionline Gold Certificate.

Builder’s Profile

As contractors come under increasing pressure to ensure their supply chain is meeting with all Health & Safety, compliance and regulatory requirements, we maintain a membership of the Builder’s Profile scheme to aid speedy verification of PQQ criteria.

View our Builder’s Profile Certificate.

CSCS (Construction Skills Certification Scheme)

All the members of our site team are CSCS (Construction Skills Certification Scheme) card holders, which means you can be confident of their understanding of Health & Safety issues when working on site. Our supervisors have completed a CITB accredited SSSTS course ensuring they can effectly lead our installation team in a safe and professional manner to deliver your projects to the highest standards.


The Worksafe scheme operated by SMAS is an accreditation we hold in order to enhance the verification process Contractors are required to conduct on Sub-Contractors and Suppliers. Ensuring competent and safe practices throughout the procurement process & supply chain management.

View our SMAS certificate.


Timber Development UK Member

Langley Design are a member of Timber Development UK (TDUK), giving us access to technical information and ensuring we are up to date with all the latest developments. As a member of TDUK, and as a responsible company, where possible we source our Hardwood timber from FSC (Forest Stewardship Council) and our Softwood timber from PEFC (Programme for the Endorsement of Forest Certification) registered suppliers.

View our TDUK Certificate.