Active10544841Private limited companyLondon

ARQIT LIMITED

Significant control: Arqit Quantum Inc. (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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 Arqit Limited sell?

Registered activity: Other information technology service activities (SIC 62090). 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

ARQIT LIMITED is an active private limited company (company number 10544841) incorporated on 3 January 2017, registered in London. Its registered activity is other information technology service activities (SIC 62090). Accounts are on file at Companies House (full) but not yet parsed into this record.

There are 8,890 companies in other information technology service activities in London with filed accounts; the median reports net assets of £1,000 and is 7 years old.

02

Ownership and control

1 active · 3 other
  • Arqit Quantum Inc.
    corporate entity · since 3 September 2021
    • owns 75–100% of shares
  • persons with significant control statement · since 3 January 2017 · ceased 20 March 2018
  • Mr David James Bestwick
    Individual · since 20 March 2018 · ceased 3 September 2021
    • owns 25–50% of shares
    • holds 25–50% of voting rights
  • Mr David John Williams
    Individual · since 20 March 2018 · ceased 3 September 2021
    • owns 25–50% of shares
    • holds 25–50% of voting rights

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
3 January 20179 yrs ago
First accounts due
3 October 20182942 days overdue
Confirmation statement due
17 January 2027in 86 days

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

04

Activity

SIC 62090
Other information technology service activities
Accounts type
Full
05

Financials

No accounts on record

Accounts exist on the register but their figures are not in this dataset yet.

06

Filing and accounts signals

Facts from the register · no rating
  • Incorporated five or more years agoIncorporated 3 January 2017
  • Accounts past their due dateDue 3 October 2018

Neutral facts read from the register and filed accounts, each with its evidence. They are not a rating, a prediction or advice, and may be incomplete or out of date. How each signal is derived.

07

Timeline

Newest first
  1. Confirmation statement duein 86 days
  2. First accounts due2942 days overdue
  3. Incorporated
08

Similar companies in London

Same activity (other information technology service activities), closest in incorporation date
09

Reminders for ARQIT LIMITED

Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.

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