Construction Line

Construction Line is the UK’s register of pre-qualified local and national construction and construction-related contractors and consultants.

Contractors Health & Safety Assessment Scheme

Welcome to the Contractors Health and Safety Assessment Scheme (CHAS). We are dedicated to completing health and safety pre-qualification assessments to a nationally recognised and accepted threshold standard.

Mastic Asphalt Council

The Mastic Asphalt Council (MAC) is the trade association for the UK mastic asphalt industry. MAC represents more than 90 firms — including mastic asphalt manufacturers, the contractors responsible for its installation, and associated suppliers of equipment and services.

ISO 9001

ISO 9001 is the principal internationally recognised standard for Quality Management Systems and can be implemented in any type of business.

ISO 14001

ISO 14001:2004 is the internationally recognised standard for an organisation’s Environmental Management System.


The National Federation of Roofing Contractors Limited (NFRC) is the UK’s largest roofing trade association representing over 60% of the roofing industry by value.

Metal Roofing Contractors Association

Covering the entire spectrum of hard metals including Metal Roof Cladding and Copper the MRCA has become the forefront for information in the industry


One of the principal objectives of the Federation of Traditional Metal Roofing Contractors is to improve the workmanship standards of installation and widen the technical design knowledge necessary to protect the integrity of the installation.

Lead Contractors Association

LCA now comprises over 100 specialist contractors committed to providing quality craftsmanship for their clients, supported by 15 associate members supplying materials and ancillary services.

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