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Massive impact of cyber attack on Co-op results revealed

Published: September 25, 2025 at 9:46 am

Author: Patrick Killeen

The Co-op has reported resilient half-year results despite the impact of a major cyber attack, on the back of making significant leadership changes designed to accelerate growth.

Group revenue for the first half of 2025 was £5.48 billion, compared with £5.6bn a year earlier, a decline of 2.1%.

Excluding the estimated £206 million trading hit from the cyber incident, revenue grew 1.5%.

Food sales fell 1.6% to £3.62bn but were up 2.9% when adjusted for the disruption.

B2B revenues slipped 3.9% to £1.65bn, while life services posted a 2.4% increase to £210m, or 6.5% on an underlying basis.

The cyber attack, described as ‘sophisticated and malicious’, led the Co-op to shut down several systems temporarily, resulting in a total estimated first-half impact of £80m across profit and cashflow, including £20m of direct costs.

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