The Property Care Association

Incorporating the BWPDA (The British Wood Preserving and Damp-proofing Association)
http://www.property-care.org

Construction Line
http://www.constructionline.co.uk

Safecontractor - The Health and Safety Assessment Scheme
http://www.safecontractor.com/

Contractors Health & Safety Assessment Scheme
http://www.chas.gov.uk

Guarantee Protection Insurance Ltd
http://www.gptprotection.co.uk/

Trustmark - Government Endorsed Standards
http://www.trustmark.org.uk/