RSR BUILD GROUP LTD is an active UK private limited company, incorporated on 18 December 2025 at Companies House (number 16918784; OpenRegistry canonical ID GB-16918784-rsr-build-group-ltd). Sophymarine's OpenRegistry classifies it under SIC 41100 (Development of building projects), one of 116,800 active UK entities in that code and one of 48,201 active companies registered in Liverpool, Merseyside (postcode L18). Programmatic access via MCP at https://openregistry.sophymarine.com/mcp.