SOUVERAIN 400BV is an active UK overseas entity, incorporated on 20 May 2025 at Companies House (number OE033938; OpenRegistry canonical ID GB-OE033938-souverain-400bv). Sophymarine's OpenRegistry indexes it as one of 1 active companies registered in 8670 Koksijde. Programmatic access via MCP at https://openregistry.sophymarine.com/mcp.