Former cabinet ministers have been exposed attempting to profit from a new cash for Brexit gravy train in Westminster, following an undercover investigation.

Lord Lansley, the former health secretary, was secretly filmed offering to use his knowledge and connections from within Westminster to provide “intelligence” on Brexit to a Chinese company offering him tens of thousands of pounds.

The peer, who has previously been accused of “ripping the heart” out of a bill to regulate lobbying, showed he was willing to pick up information from a key Brexit cabinet minister. He advised how the deal could be kept secret from the authorities by employing him through his wife’s company.

Peter Lilley, the former deputy Conservative Party leader, was also willing to approach key ministers on