The Enquirer understands that the two jobs are Sir Robert McAlpine’s Lille Square scheme at Earls Court and Ballymore’s Royal Wharf project in east London.
Administrators from KPMG were called in at PC Harrington Contractors after the concrete specialist ceased trading.
A number of subsidiary firms were unaffected by the administration.
A KPMG statement said: “The joint administrators are aware of the novation and transfer of two contracts from PC Harrington Contractors Limited to a trading subsidiary within the PC Harrington Group.
“The transfer should help deliver the completion of some outstanding contracted works and reduce the value of creditor claims in the administration.”