It depends on what you're referring to when you say 'corruption'.

The public officials involved in signing off on these contracts with Palantir will almost certainly be offered non-executive, board, or consulting positions with one of its subsidiaries. These roles will likely net them £50k-£100k a year for four to five years and conveniently begin a fixed number of months/years after their terms in public office conclude.

This will all be strictly legal and well within the regulations those same officials voted on for themselves (without public consultation, and watered down further by the lobbying efforts of Palantir and similar companies looking for a cut of public funds).

This is an entirely legal and extremely common practice. If you choose to label it 'corruption', that's your call.