Barclays has reported attributable profit of £1.11bn for the first half of 2016, a slump of 31% from £1.61bn the year ago.
Pre-tax profit was £2.06bn, a fall of 21% from £2.60bn in the first half of 2015.
Net operating income tumbled 11% to £10.08bn from £11.33bn in the prior year, while total operating expenses dipped 10% to £7.69bn from £8.59bn the year ago.
Barclays UK – the division which includes the bank's personal banking, card and wealth management businesses in UK – posted attributable profit of £608m for the half year ended 30 June 2016, a jump of 24% from £490m the year earlier.
The division’s pre-tax profit surged 52% to £1.08bn from £712m in the prior year, while total income increased 3% to £3.74bn from £3.63bn the previous year.
Total operating expenses at the division decreased 11% year-on-year to £2.29bn from £2.58bn.
Barclays Corporate & International division posted attributable profit of £1.74bn for the first half of 2016, a rise of 28% from £1.36bn in the year-ago period. The unit includes the bank's corporate and investment bank, and consumer, cards and payments.
The division’s pre-tax profit increased 16% to £2.75bn from £2.38bn the year earlier, while total income remained almost flat at £7.55bn.
Total operating expenses at the unit dipped 11% to £4.31bn from £4.82bn the year ago.
Barclays CEO Jes Staley said: “This has been a quarter of very encouraging progress against our strategy," said chief executive Jes Staley. Our core businesses, Barclays UK and Barclays Corporate & International, continue to thrive."
"Non-Core rundown — the key to unlocking the full earnings power of that Core — has good momentum, and we remain committed to closing the unit in 2017," Staley added.