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Company number
04899722

DEEPNET SECURITY LIMITED

Active
✓ Active company on the official register. Next accounts due 31 December 2026.

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
DEEPNET SECURITY LIMITED
Company number
04899722
Registered office
THE ENTERPRISE CENTRE UNIT 47 THE ENTERPRISE CENTRE, CRANBOURNE ROAD, POTTERS BAR, HERTFORDSHIRE, EN6 3DQ, UNITED KINGDOM · 72 other companies at this postcode
Company type
Private Limited Company
Incorporated on
15 September 2003
Status
Active
Age
22 years
Nature of business (SIC)
62012 — Business and domestic software development
Accounts — next due
31 Dec 2026
Accounts — last made up to
31 Mar 2025
Confirmation statement — next due
29 Sept 2026
Confirmation statement — last
15 Sept 2025

People with significant control

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

Diginet Security Ltd
owns 75–100% of shares
Notified 16/06/2020
Mr Yurong Lin
owns 75–100% of shares
Notified 08/04/2016

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

Corporate owner owns 75–100% of shares Notified 16/06/2020
Mr Yurong Lin
born 08/1964 · United Kingdom owns 75–100% of shares Control ended 16/06/2020 Controls 4 companies

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
16/06/2020 Person with significant control ceased Mr Yurong Lin
16/06/2020 Person with significant control added Diginet Security Ltd
08/04/2016 Person with significant control added Mr Yurong Lin

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 7,140
▲ 6.5%
6,705
Net assets 7,139
▲ 6.5%
6,704
Employees (avg) 19
▲ 11.8%
17

Documents for DEEPNET SECURITY LIMITED

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Company extract£1.99

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Financial statements£3.99

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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.

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Data protection register

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

Deepnet Security Limited — EN6 3DQ
Trading as Deepnet Security Limited
Tier 2 · renews 05/12/2026
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.

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Frequently asked questions

What is the company number of DEEPNET SECURITY LIMITED?
According to the official registry, the company number of DEEPNET SECURITY LIMITED is 04899722.
Where is DEEPNET SECURITY LIMITED registered?
The registered office is THE ENTERPRISE CENTRE UNIT 47 THE ENTERPRISE CENTRE, CRANBOURNE ROAD, POTTERS BAR, HERTFORDSHIRE, EN6 3DQ, UNITED KINGDOM.
What is the SIC code of DEEPNET SECURITY LIMITED?
The nature of business is recorded under SIC code 62012 — Business and domestic software development.
Who controls DEEPNET SECURITY LIMITED?
Diginet Security Ltd is recorded as a person with significant control, and owns 75–100% of shares.
When are the next accounts of DEEPNET SECURITY LIMITED due?
The next annual accounts are due by 31 December 2026, and the last accounts were made up to 31 March 2025.

About DEEPNET SECURITY LIMITED (04899722)

DEEPNET SECURITY LIMITED is a private limited company incorporated on 15 September 2003 and registered in the United Kingdom under company number 04899722. Its registered office is at THE ENTERPRISE CENTRE UNIT 47 THE ENTERPRISE CENTRE, CRANBOURNE ROAD, POTTERS BAR, HERTFORDSHIRE, EN6 3DQ, UNITED KINGDOM. The recorded nature of business is business and domestic software development (SIC 62012). The company is currently active , with statutory accounts last made up to 31 March 2025. , and the person with significant control is Diginet Security Ltd. 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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