CALLOSUM COMMUNICATIONS LTD is an active UK private limited company, incorporated on 7 April 2026 at Companies House (number 17139976; OpenRegistry canonical ID GB-17139976-callosum-communications-ltd). Sophymarine's OpenRegistry classifies it under SIC 74909 (Other professional, scientific and technical activities n.e.c.), one of 63,464 active UK entities in that code and one of 1,093,852 active companies registered in London, England (postcode EC2A). Programmatic access via MCP at https://openregistry.sophymarine.com/mcp.
Next accounts due 2028-01-07. Financial year-end: 30/04. Filing class: NO ACCOUNTS FILED.
Next confirmation statement due 2027-04-20.
CALLOSUM COMMUNICATIONS LTD has 1 person with significant control on file:
Other companies registered under SIC 74909 (Other professional, scientific and technical activities n.e.c.):
Other companies registered in London:
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