VASTAVEN LTD is an active UK private limited company, incorporated on 4 November 2025 at Companies House (number 16831724; OpenRegistry canonical ID GB-16831724-vastaven-ltd). Sophymarine's OpenRegistry classifies it under SIC 41201 (Construction of commercial buildings), one of 45,075 active UK entities in that code and one of 4,134 active companies registered in Billericay (postcode CM12). Programmatic access via MCP at https://openregistry.sophymarine.com/mcp.