The blackbyte ransomware group listed Ark Consultancy on its data leak site on 2025-07-16. Country: GB Sector: Professional Services Domains named: arkconsultancy.co.uk Claim as published on the leak site: ARK Consultancy Limited is a leading management and technical consultancy specializing in social housing, dedicated to supporting local authorities and housing associations throughout the UK. They offer a wide range of services that include asset management, decarbonization, resident engagement, and strategic governance.