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Company number
03355536

SECURITY KEYHOLDING LTD

Active
✓ Active company on the official register. Next accounts due 31 January 2027.

Company details

Registered name
SECURITY KEYHOLDING LTD
Company number
03355536
Registered office
BARGE YARD, RIVERSIDE, LONDON, SE7 7SS
Company type
Private Limited Company
Incorporated on
17 April 1997
Status
Active
Age
29 years
Previous names
DEFENDER SECURITY KEYHOLDING LTD (to 11 Apr 2013) · DEFENDER SECURITY SOLUTIONS LTD (to 11 Apr 2013)
Nature of business (SIC)
80100 — Private security activities
Accounts — next due
31 Jan 2027
Accounts — last made up to
30 Apr 2025
Confirmation statement — next due
01 May 2027
Confirmation statement — last
17 Apr 2026

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 John Barry Mayes
Notified 06/04/2016

Corporate structure

Who controls this company, and who they control in turn

1 controller Drag to move · scroll to zoom · double-click to expand
Company Person Current control Ended

Connections

Mr John Barry Mayes
born 05/1965 · England owns 75–100% of shares · holds 75–100% of votes Notified 06/04/2016 Controls 2 companies

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
06/04/2016 Person with significant control added Mr John Barry Mayes
11/04/2013 Registered name changed DEFENDER SECURITY SOLUTIONS LTD DEFENDER SECURITY KEYHOLDING LTD
11/04/2013 Registered name changed DEFENDER SECURITY KEYHOLDING LTD SECURITY KEYHOLDING LTD

Documents for SECURITY KEYHOLDING LTD

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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

Registered with the Information Commissioner's Office as a data protection fee payer.

Security Keyholding Ltd — SE7 7SS
Trading as DEFENDER SECURITY
Tier 1 · renews 08/12/2026
ICO entry

The ICO publishes no company number, so this is matched on the registered name and confirmed by the postcode. Check the ICO entry before relying on it.

Get this company via API

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GET /v1/company/gb/03355536
X-Api-Key: $OPENDATA_KEY
Read the API docs

Frequently asked questions

What is the company number of SECURITY KEYHOLDING LTD?
According to the official registry, the company number of SECURITY KEYHOLDING LTD is 03355536.
Where is SECURITY KEYHOLDING LTD registered?
The registered office is BARGE YARD, RIVERSIDE, LONDON, SE7 7SS.
What is the SIC code of SECURITY KEYHOLDING LTD?
The nature of business is recorded under SIC code 80100 — Private security activities.
Who controls SECURITY KEYHOLDING LTD?
Mr John Barry Mayes is recorded as a person with significant control.
When are the next accounts of SECURITY KEYHOLDING LTD due?
The next annual accounts are due by 31 January 2027, and the last accounts were made up to 30 April 2025.

About SECURITY KEYHOLDING LTD (03355536)

SECURITY KEYHOLDING LTD is a private limited company incorporated on 17 April 1997 and registered in the United Kingdom under company number 03355536. Its registered office is at BARGE YARD, RIVERSIDE, LONDON, SE7 7SS. The recorded nature of business is private security activities (SIC 80100). The company is currently active , with statutory accounts last made up to 30 April 2025. , and the person with significant control is Mr John Barry Mayes. 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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