JM ALLEN CONSTRUCTION LTD is an active UK private limited company, incorporated on 30 July 2025 at Companies House (number NI731865; OpenRegistry canonical ID GB-NI731865-jm-allen-construction-ltd). Sophymarine's OpenRegistry classifies it under SIC 41202 (Construction of domestic buildings), one of 69,109 active UK entities in that code and one of 2,004 active companies registered in Armagh (postcode BT60). Programmatic access via MCP at https://openregistry.sophymarine.com/mcp.