WATT & WILDER HOLDINGS LTD is an active UK private limited company, incorporated on 6 February 2026 at Companies House (number 17017597; OpenRegistry canonical ID GB-17017597-watt-wilder-holdings-ltd). Sophymarine's OpenRegistry classifies it under SIC 43210 (Electrical installation), one of 54,083 active UK entities in that code and one of 1,093,852 active companies registered in London (postcode N1). Programmatic access via MCP at https://openregistry.sophymarine.com/mcp.