CALLOSUM LTD

Company number 16076949 ·

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Overview

Company type
Private Limited Company
Incorporated
2024-11-13
Registered office
56 Leman Street, London, England, E1 8EU
Postcode
E1 8EU

Accounts

Next due by
2026-11-13
Financial year end
31 December

Confirmation statement

Last statement dated
2025-11-11
Next due by
2026-11-25
View filing history →

Nature of business (SIC)

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

Officers 2 current

Appointed 2024-11-13
Appointed 2024-11-13

View all officers and resignations →

Group structure

Controlled by CALLOSUM TECHNOLOGIES LTD — since 2025-08-26

From persons-with-significant-control filings on the public register.

Licensed visa sponsor

Licensed by the Home Office to sponsor worker visas: Skilled Worker (Worker (A rating)).

Matched by registered name to the register of licensed sponsors (Home Office, updated daily) — check the register itself before relying on it. Contains public sector information licensed under the Open Government Licence v3.0.

Previous company names

NameDate changed
SERNN LTD2025-08-26

At this address

118

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