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ADVANCED CYBER DEFENCE SYSTEMS LIMITED

Active
13456140·incorporated 2021-06-15

ADVANCED CYBER DEFENCE SYSTEMS LIMITED is an active UK private limited company, incorporated on 15 June 2021 at Companies House (number 13456140; OpenRegistry canonical ID GB-13456140-advanced-cyber-defence-systems-limited). Sophymarine's OpenRegistry classifies it under SIC 62020 (Information technology consultancy activities), one of 129,128 active UK entities in that code and one of 1,093,852 active companies registered in London (postcode W1W). Programmatic access via MCP at https://openregistry.sophymarine.com/mcp.

Status
Active
Type
Private Limited Company
Incorporated
2021-06-15
Registered Address
85 GREAT PORTLAND STREET, LONDON, W1W 7LT, ENGLAND
SIC
62020 — Information technology consultancy activities
Country of origin
United Kingdom

Directors

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Shareholders

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Financials

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Filings

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Accounts

Last filed accounts made up to 2025-03-31. Next accounts due 2026-12-31. Financial year-end: 31/03. Filing class: TOTAL EXEMPTION FULL.

Confirmation statement

Last confirmation statement made up to 2025-06-14. Next confirmation statement due 2026-06-28.

Persons with significant control

ADVANCED CYBER DEFENCE SYSTEMS LIMITED has 2 persons with significant control on file:

  • Mr Elliott Sinclair Wilkes born 1987 resident in England, American national. Notified 2021-06-15.
    • Owns 25–50% of shares
    • Holds 25–50% of voting rights
    • Has the right to appoint and remove directors
  • Mr Jonathan Smith born 1966 resident in United Kingdom, British national. Notified 2021-06-15.
    • Owns 25–50% of shares
    • Holds 25–50% of voting rights
    • Has the right to appoint and remove directors

Previous names

ADVANCED CYBER DEFENCE SYSTEMS LIMITED has previously traded as:

  • ACTIVE CYBER DEFENCE SYSTEMS LIMITED (until 2022-12-12)

Similar UK companies

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Need real-time profile, officers, shareholders, financials or filing? Open the live profile at /company/gb/13456140.

Source: Companies House Free Company Data, refreshed 2026-05-01. Official record: find-and-update.company-information.service.gov.uk.