Callsign Ltd.

CALLSIGN LTD.·Company no. 07277719·United Kingdom

Active on the registerInc. 2010 · 15 yrs oldPrivate Limited CompanySIC 62012·Business and domestic software development

The Firmwatch take

Callsign Ltd. is a 15-year-old SIC 62012 company, active on the Companies House register. Current public people records list 1 active officer and 1 other live appointment linked to those officers. Listed officers include RITCHIE, Garth William, Mr..

Companies House sourceÂ·Methodology and caveats

Firmwatch signals are generated from public filings and are not credit ratings or financial advice.

Incorporated

8 June 2010

15 years on the register

Sector

Business and domestic software development

SIC 62012

Size

Not classified

Net assets

Not disclosed

No balance sheet extracted

Cash at bank

Not disclosed

Latest filing

None yet

Live · refreshed daily

Directors

2 active officers

HAYAT, Zia, Dr

director · appointed 31 Aug 2023

British

RITCHIE, Garth William, Mr.

director · appointed 31 Mar 2022

South African

Other companyNumberRoleVerdict

ARQIT QUANTUM INC.

active

FC041419active · directorUnknown

Persons with Significant Control

1 PSC on the register

Dr Zia Hayat

individual person with significant control

Shares 25 to 50 percent, Voting rights 25 to 50 percent

Notified 06 Apr 2016

People data is sourced from Companies House and refreshed on demand. Monitor this company to be alerted when officer filings change.

Firmwatch turns UK Companies House filings into plain-English company intelligence. Data is refreshed daily; signals are generated from public balance-sheet and filing patterns.

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