QUELLD LTD is an active UK private limited company, incorporated on 25 November 2025 at Companies House (number 16873813; OpenRegistry canonical ID GB-16873813-quelld-ltd). Sophymarine's OpenRegistry classifies it under SIC 63120 (Web portals), one of 8,285 active UK entities in that code and one of 1,093,852 active companies registered in London (postcode EC1V). Programmatic access via MCP at https://openregistry.sophymarine.com/mcp.