Allen & Overy (A&O) is reviewing its innovative India ‘offshoring’ venture amid logistical problems, it has emerged, after the London giant struggled to hit targets for outsourced document production.

The City giant initially set itself a target of outsourcing 80% of its document management to a specialist company in Chennai, India. However, the top five London firm this week conceded that only just over half of its work is currently outsourced, while the firm has had to employ additional checkers in some cases.