Firmoscan
Active16619488Private limited companyLondon

CITADEL SYSTEMS LIMITED

Significant control: Mohammed Mustafa Qayyum (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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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Registered activity: Information technology consultancy activities (SIC 62020). 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

CITADEL SYSTEMS LIMITED is an active private limited company (company number 16619488) incorporated on 31 July 2025, registered in London. Its registered activity is information technology consultancy activities (SIC 62020). No accounts have been filed yet; the first accounts are due by 30 April 2027.

There are 19,391 companies in information technology consultancy activities in London with filed accounts; the median reports net assets of £3,248 and is 7 years old.

02

Ownership and control

1 active
  • Mr Mohammed Mustafa Qayyum
    Individual · since 31 July 2025
    • 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
31 July 20251 yr ago
First accounts due
30 April 2027in 190 days
Confirmation statement due
14 August 2027in 296 days

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

04

Activity

SIC 62020
Information technology consultancy activities
Accounts type
No Accounts Filed
05

Financials

No accounts on record

No accounts filed yet. The first accounts are due by 30 April 2027; this page updates when they are filed.

06

Timeline

Newest first
  1. Confirmation statement duein 296 days
  2. First accounts duein 190 days
  3. Incorporated
07

Similar companies in London

Same activity (information technology consultancy activities), closest in incorporation date

All companies incorporated on 31 July 2025 · in Jul 2025.

08

Reminders for CITADEL SYSTEMS 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.

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).