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Three UK Companies Under SFO Fraud Investigation

The SFO announced a new fraud investigation on 22 April 2026 into Warmfront, JJ Crump, and South Coast Insulation Services relating to the ECO4 energy efficiency scheme. Four people were arrested and six sites searched across Cannock, Wolverhampton, Chilworth, Southwell, and Killamarsh. The SFO alleges a sophisticated conspiracy to defraud energy companies of at least £44 million by submitting claims for work that was little or never undertaken between 2022 and 2024. The SFO is appealing for information from installers and assessors who worked on these contracts.