Renault Retail Group has contracted HPI for its vehicle provenance checks.
It has renewed its relationship with HPI for two years.
In the latest deal, HPI will also provide RRG dealers with additional services, including the 7-day free insurance product Driveaway.
Renault Retail Group is a national network of over 20 automotive dealerships and sells 1 in every 4 Renaults in the UK.
Daniel Burgess, director of automotive for HPI, described it as a "significant win for HPI".