Question to the Cabinet Office:

To ask Her Majesty's Government what action they are taking to help local authorities detect procurement bid rigging in contracts for which they are responsible.

The Competition and Markets Authority (CMA) has published a Screening for Cartels tool that will help public procurement professionals identify suspicious behaviour by suppliers when bidding for contracts:

https://www.gov.uk/government/publications/screening-for-cartels-tool-for-procurers

The CMA has also produced other guidance on bid-rigging to help procurers, including an e-learning module that gives pointers on what to look out for:

https://builtintelligence.com/pages/learn-how-to-spot-bid-rigging