Trade associations and Professional Bodies for Electrical Testing

British Institute of Interior Design

Building Engineering Services Association

Chartered Association of Building Engineers

Chartered Institute of Building

Elecsa

Electrical Contractors Association

Federation of Master Builders

Federation of Self Employed & Small Businesses

Guild of Master Craftsmen

Joint Industry Board

NAPIT

NICEIC

Norfolk Trusted Trader

PART P

SAFEcontractor

Scottish Joint Industry Board

SELECT

Stroma

The Consumer Protection Guarantee

TrustMark

Which? Trusted Trader