CALLOSUM LTD

Company number 16076949

• Registered office address: 56 Leman Street, London, England, E1 8EU
• Company status: Active
• Company type: Private limited Company
• Incorporated on: 13 November 2024

Accounts

First accounts made up to 31 December 2025
due by 13 August 2026

Confirmation statement

Next statement date 11 November 2026
due by 25 November 2026

Last statement dated 11 November 2025

Nature of business (SIC)

• 72190 - Other research and experimental development on natural sciences and engineering

Previous company names

Name	Period
SERNN LTD	13 Nov 2024 - 26 Aug 2025