Car history check

Experian Autocheck
HPI
RAC
Carwatch UK

Car inspections

RAC
Aim-VI


Warranty providers

Warranty Wise
Warranty Direct

Consumer assistance

BBC Consumer
Which? Motoring
Trading Standards
Financial Ombudsman Service

Trade associations

SMMT (Society of Motor Manufacturers & Traders)
RMIF (Retail Motor Industry Federation)
Scottish Motor Trade Association
VBRA (Vehicle Builders & Repairers Association)
Tyre Industry Council
Association of British Insurers
Finance & Leasing Association

Government agencies