Carillion

Beefed up response follows a series of high-profile corporate failures

Outsourcing giant employs 45,000 people in the UK but debts of £650m lead to fears of Carillion-style collapse

Inquiry finds that firm’s board prioritised own rewards over welfare of workers and pensioners

Precarious state of government contractor raises fresh questions about private delivery of public services

Work and Pensions Committee querying deferred pension contributions in separate probe

PM vows action after Carillion collapse leaves £900m pension deficit

Liverpool council owes further £47m in fees for abandoned school that cost £24m to build

‘List of failures and disappointments’ of public-private partnerships is growing, say critics