The race for the next Tory leader is officially on with Theresa May to formally resign as party leader on June 7.

Bearing in mind this is the trickiest, slipperiest electorate on earth, a “Who’s Backing Who” list is difficult to compile. If they are doing well candidates deliberately hide their early support to give the impression of growing momentum. Famously when Douglas Hurd and John Major compared their canvass lists it turned out dozens of Tory MPs had pledged to them both, so private lists have risks as well…

Guido’s list is compiled from what we are hearing and from those who have advocated publicly for a candidate. At this early stage it should not be taken as a guide to likely support levels. Here’s who we think is backing who so far – full spreadsheet order-order.com/backers:

Get in touch with any updates…