WESTMARK HOMES LTD is an active UK private limited company, incorporated on 6 February 2026 at Companies House (number 17016417; OpenRegistry canonical ID GB-17016417-westmark-homes-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 3,230 active companies registered in Harpenden (postcode AL5). Programmatic access via MCP at https://openregistry.sophymarine.com/mcp.