Firmoscan
Active17139976Private limited companyLondon

CALLOSUM COMMUNICATIONS LTD

Significant control: Jack Andrew Curran (75–100%)

Companies HouseCompanies House

From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms

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What does Callosum Communications Ltd sell?

Registered activity: Other professional, scientific and technical activities n.e.c. (SIC 74909). We’re building product and service lists for UK companies. Get this one when it’s ready.

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01

Summary

Generated from filed data · no estimates

CALLOSUM COMMUNICATIONS LTD is an active private limited company (company number 17139976) incorporated on 7 April 2026, registered in London. Its registered activity is other professional, scientific and technical activities n.e.c. (SIC 74909). No accounts have been filed yet; the first accounts are due by 7 January 2028.

There are 7,601 companies in other professional, scientific and technical activities n.e.c. in London with filed accounts; the median reports net assets of £3,258 and is 9 years old.

02

Ownership and control

1 active
  • Jack Andrew Curran
    Individual · since 7 April 2026
    • owns 75–100% of shares
    • holds 75–100% of voting rights
    • can appoint or remove directors

Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents. Directors and secretaries: see the officers list at Companies House.

03

Key dates

Incorporated
7 April 2026under 1 yr ago
First accounts due
7 January 2028in 440 days
Confirmation statement due
21 April 2027in 179 days

Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.

04

Activity

SIC 74909
Other professional, scientific and technical activities n.e.c.
Accounts type
No Accounts Filed
05

Financials

No accounts on record

No accounts filed yet. The first accounts are due by 7 January 2028; this page updates when they are filed.

06

Timeline

Newest first
  1. First accounts duein 440 days
  2. Confirmation statement duein 179 days
  3. Incorporated
07

Similar companies in London

Same activity (other professional, scientific and technical activities n.e.c.), closest in incorporation date

All companies incorporated on 7 April 2026 · in Apr 2026.

08

Reminders for CALLOSUM COMMUNICATIONS LTD

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Source: Companies House register, snapshot 2026-08-31. Open Government Licence v3.0. View on Companies House. Methodology · About · Markdown.

This information comes from public filings and our automated processing of them. It may contain errors, be incomplete or be out of date, and is not advice or a credit reference. Check the official record before relying on it. Terms · Privacy · Report an error (corrected within one working day).