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Company number
09611788

401 CYBER SECURITY LIMITED

Active
✓ Active company on the official register. Next accounts due 28 February 2027.

Company details

East of England, England Contains OS data © Crown copyright and database right. Contains Royal Mail data © Royal Mail copyright and database right. Source: Office for National Statistics licensed under the Open Government Licence v.3.0.
Registered name
401 CYBER SECURITY LIMITED
Company number
09611788
Registered office
GROUND FLOOR, THE MALTINGS, LOCKS HILL, ROCHFORD, SS4 1BB, ENGLAND · 118 other companies at this postcode
Company type
Private Limited Company
Incorporated on
28 May 2015
Status
Active
Age
11 years
Previous names
DE MORVILLE ASSOCIATES LIMITED (to 07 May 2025)
Nature of business (SIC)
82990 — Other business support service activities n.e.c.
Accounts — next due
28 Feb 2027
Accounts — last made up to
31 May 2025
Confirmation statement — next due
06 Dec 2026
Confirmation statement — last
22 Nov 2025

What the register says

Facts from the register, with the dates they are filed under. Not a score: what they mean is for you to judge, and every line can be checked against Companies House itself.

Companies House register snapshot, read 02/09/2026.

People with significant control

Beneficial owners holding over 25% of shares, voting rights or the right to appoint directors

Mr Simon William Oldham
owns 25–50% of shares · holds 25–50% of voting rights · can appoint and remove directors
Notified 06/04/2016
Mrs Katie Helen Oldham
owns 25–50% of shares · holds 25–50% of voting rights
Notified 20/02/2020

Corporate structure

Who controls this company, and who they control in turn

2 controllers Drag to move · scroll to zoom · double-click to expand
Company Person Current control Ended

Connections

Mr Simon William Oldham
born 01/1978 · England owns 25–50% of shares · holds 25–50% of votes · can appoint and remove directors Notified 06/04/2016 Controls 4 companies
Mrs Katie Helen Oldham
born 06/1974 · England owns 25–50% of shares · holds 25–50% of votes Notified 20/02/2020

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
07/05/2025 Registered name changed DE MORVILLE ASSOCIATES LIMITED 401 CYBER SECURITY LIMITED
20/02/2020 Person with significant control added Mrs Katie Helen Oldham
06/04/2016 Person with significant control added Mr Simon William Oldham

Financial highlights

Parsed from the filed statutory accounts (£ thousands, except employees)

Source: Companies House bulk data filed accounts (iXBRL)
Metric FY2025FY2024
Total assets less current liabilities 149
▲ 30.1%
114
Net assets 132
▲ 38.5%
95
Employees (avg) 2
▼ 33.3%
3

Documents for 401 CYBER SECURITY LIMITED

Need this one company on file? Buy the document on its own — no plan required.

Company extract£1.99

The full registration record as held today — name, number, status, registered office, company type, previous names, officers, PSC and SIC codes, timestamped for your file.

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Financial statements£3.99

Every figure the company’s own accounts state, across each filed period, with year-on-year movement. Most UK companies file small or micro-entity accounts — a balance sheet and a headcount, no turnover or profit.

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Ownership report£3.99

Who controls the company: persons with significant control, the nature of that control, the ownership graph and every other company those controllers hold.

PDF Order

Data protection register

No entry found on the ICO register of fee payers under this name.

Not every organisation has to register — some are exempt. An absent entry is a question to ask, not a finding.

Get this company via API

Every field on this page is available as structured JSON behind one endpoint and one API key.

GET /v1/company/gb/09611788
X-Api-Key: $OPENDATA_KEY
Read the API docs

Frequently asked questions

What is the company number of 401 CYBER SECURITY LIMITED?
According to the official registry, the company number of 401 CYBER SECURITY LIMITED is 09611788.
Where is 401 CYBER SECURITY LIMITED registered?
The registered office is GROUND FLOOR, THE MALTINGS, LOCKS HILL, ROCHFORD, SS4 1BB, ENGLAND.
What is the SIC code of 401 CYBER SECURITY LIMITED?
The nature of business is recorded under SIC code 82990 — Other business support service activities n.e.c..
Who controls 401 CYBER SECURITY LIMITED?
Mr Simon William Oldham is recorded as a person with significant control, and owns 25–50% of shares, holds 25–50% of voting rights, can appoint and remove directors.
When are the next accounts of 401 CYBER SECURITY LIMITED due?
The next annual accounts are due by 28 February 2027, and the last accounts were made up to 31 May 2025.

About 401 CYBER SECURITY LIMITED (09611788)

401 CYBER SECURITY LIMITED is a private limited company incorporated on 28 May 2015 and registered in the United Kingdom under company number 09611788. Its registered office is at GROUND FLOOR, THE MALTINGS, LOCKS HILL, ROCHFORD, SS4 1BB, ENGLAND. The recorded nature of business is other business support service activities n.e.c. (SIC 82990). The company is currently active , with statutory accounts last made up to 31 May 2025. , and the person with significant control is Mr Simon William Oldham. This profile is provided by opendata.bot by Noetikos, aggregating official data from Companies House bulk data , last refreshed 2 September 2026.

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