Warmfront Team Ltd, JJ Crump, and South Coast Insulation Services
On 22 April 2026, the SFO announced a new investigation into three UK companies that worked on Energy Company Obligation 4 (ECO4) contracts.
On 22 April 2026, the SFO announced a new investigation into three UK companies that worked on Energy Company Obligation 4 (ECO4) contracts between 2022 ans 2024: Warmfront Team Ltd, JJ Crump and South Coast Insulation Services.
Investigators made four arrests and searched six properties across the UK, including in Cannock, Chilworth, Killamarsh, Southwell, and Wolverhampton.
Case Timeline
22 April 2026 – SFO investigation announced. Six properties searched and four individuals arrested in the UK on suspicion of fraud in connection with three companies who worked on Energy Company Obligation 4 (ECO4) contracts.
Request for information
The Serious Fraud Office would like to hear from you if you have information about the three companies being investigated in connection with Energy Company Obligation 4 (ECO4) projects between 2022 and 2024:
-
Warmfront Team Ltd (Cannock)
-
JJ Crump (Yorkshire)
-
South Coast Insulation Services (Fareham)
Any information shared will be treated in confidence. Contact us via email confidential@sfo.gov.uk.