Constructionline is the UK’s most connected and progressive provider of procurement and supply chain management services, making contracting simpler.

Local Authority Building Control (LABC)

Local Authority Building Control (LABC) represents all local authority building control teams in England and Wales. Our network of 3,000 professional surveyors provide fast, impartial advice and services on a 'not-for-profit' basis to home and property owners, architects, plan drawers, developers, building contractors and other professionals to ensure buildings are safe, healthy and efficient to meet the standards set by the building regulations.

National House Building Council (NHBC)

Established in 1936, NHBC set standards for registered builders and work to help them improve the construction quality of the homes they build for the benefit of homeowners.

Contractors Health and Safety Assessment Scheme (CHAS)

CHAS was created by experienced health and safety professionals in 1997 to improve health and safety standards across the UK.​


Altius Vendor Assessment services provide a robust online supplier accreditation and management system that takes a thorough evidence-based approach to checking the competences of contractors.