The company, which reaffirmed its expectation of returning to core earnings profitability in the second half of 2016, said a review of its intangible assets led to a wider loss before tax of 210.5 million pounds in the first half ended Dec. 31.

"The essential transition to cloud-based services and sustainable recurring revenues, continues to be very challenging," Chairman Peter Ayliffe said in a statement.

(Reporting by Noor Zainab Hussain in Bengaluru; Editing by Sunil Nair)