OpenRegistry
Companies House/London/Company profile

QUANTUMDEFENDER SYSTEMS LTD

Active
16487810·incorporated 2025-06-02

QUANTUMDEFENDER SYSTEMS LTD is an active UK private limited company, incorporated on 2 June 2025 at Companies House (number 16487810; OpenRegistry canonical ID GB-16487810-quantumdefender-systems-ltd). Sophymarine's OpenRegistry classifies it under SIC 73110 (Advertising agencies), one of 32,484 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
2025-06-02
Registered Address
167-169 GREAT PORTLAND STREET, 5TH FLOOR, LONDON, W1W 5PF, ENGLAND
SIC
73110 — Advertising agencies
Country of origin
United Kingdom

Accounts

Next accounts due 2027-03-02. Financial year-end: 30/06. Filing class: NO ACCOUNTS FILED.

Confirmation statement

Last confirmation statement made up to 2026-02-04. Next confirmation statement due 2027-02-18.

Persons with significant control

QUANTUMDEFENDER SYSTEMS LTD has 1 person with significant control on file:

  • Mrs Anna Popa born 1990 resident in Moldova, Moldovan national. Notified 2026-01-07.
    • Owns 75% or more of shares
    • Holds 75% or more of voting rights
    • Has the right to appoint and remove directors

1 historical PSC record has ceased:

  • Mr Grzegorz Szewczyk born 1985 resident in England, Polish national. Notified 2025-06-02. Ceased 2026-01-07.
    • Owns 75% or more of shares
    • Holds 75% or more of voting rights
    • Has the right to appoint and remove directors

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