Grocery delivery firm Ocado lost £9m in the first half-year to 3 June, compared to a profit of £7.7m in the same period the previous year.
"This is a transformational period for Ocado," Explained boss Tim Steiner. "We are confident that we have the ability to scale-up the business, deliver on our commitments, drive sustainable growth and deliver value to all our stakeholders."
Group revenue has climbed by 12% to £799.9m in the period.