opendata.bot
Company number
04047090

CORERO NETWORK SECURITY (UK) LIMITED

Officer · ROCKEY, Emma Frances and 21 others
Active
✓ Active company on the official register. Next accounts due 30 September 2027.
1 outstanding charge registered against this company. View charges.

Company details

London, 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
CORERO NETWORK SECURITY (UK) LIMITED
Company number
04047090
Registered office
1 FORE STREET AVENUE, LONDON, EC2Y 9DT, ENGLAND · 273 other companies at this postcode
Company type
Private Limited Company
Incorporated on
4 August 2000
Status
Active
Age
26 years
Previous names
TOP LAYER NETWORKS LIMITED (to 01 Jul 2011)
Nature of business (SIC)
82990 — Other business support service activities n.e.c.
Accounts — next due
30 Sept 2027
Accounts — last made up to
31 Dec 2025
Confirmation statement — next due
21 Mar 2027
Confirmation statement — last
07 Mar 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.

Officers

3 active · 19 resigned

secretary
Appointed 15/07/2024
Active
director
Appointed 01/07/2024
Active
director
Appointed 30/11/2023
Active

People with significant control

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

Corero Network Security Plc
owns 75–100% of shares
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

Corporate owner owns 75–100% of shares Notified 06/04/2016 Controls 2 companies

Serving officers

secretary Appointed 15/07/2024
director Appointed 01/07/2024
director Appointed 30/11/2023

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
30/09/2025 Charge registered A registered charge
15/07/2024 Secretary appointed ROCKEY, Emma Frances
12/07/2024 Director resigned RICHARDS, Philip William
01/07/2024 Director appointed GOULDEN, Christopher James
30/11/2023 Director appointed ROCKEY, Emma Frances
30/09/2023 Director resigned SWALLOW, Duncan James
30/09/2023 Secretary resigned SWALLOW, Duncan James
28/02/2023 Director resigned CHMILEWSKY, Lionel
01/12/2022 Director appointed RICHARDS, Philip William
30/09/2022 Director resigned PRITCHARD, Neil Bartley
31/05/2020 Director resigned MILLER, Andrew Douglas
31/05/2020 Director appointed PRITCHARD, Neil Bartley
31/05/2020 Director appointed CHMILEWSKY, Lionel
16/04/2019 Director resigned STEPHENSON, Robert Ashley
16/04/2019 Director appointed SWALLOW, Duncan James
25/04/2018 Charge registered A registered charge
06/04/2016 Person with significant control added Corero Network Security Plc
01/07/2013 Director appointed STEPHENSON, Robert Ashley
30/06/2013 Director resigned MEYER, Martin Alan
01/07/2011 Registered name changed TOP LAYER NETWORKS LIMITED CORERO NETWORK SECURITY (UK) LIMITED

Financial highlights

No figures could be read from the accounts filed on 13 Aug 2026. Companies House holds some filings only as a document image, which carries no tagged figures; the filing itself is on the register either way.

Documents for CORERO NETWORK SECURITY (UK) LIMITED

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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

Filing history

Most recent filings

AA — accounts-with-accounts-type-small
accounts
AD01 — change-registered-office-address-company-with-date-old-address-new-address
address
CS01 — confirmation-statement-with-no-updates
confirmation-statement
MR01 — mortgage-create-with-deed-with-charge-number-charge-creation-date
mortgage
AA — accounts-with-accounts-type-small
accounts
MR04 — mortgage-satisfy-charge-full
mortgage
CS01 — confirmation-statement-with-no-updates
confirmation-statement
AA — accounts-with-accounts-type-small
accounts
AP03 — appoint-person-secretary-company-with-name-date
officers
TM01 — termination-director-company-with-name-termination-date
officers
AP01 — appoint-person-director-company-with-name-date
officers
CS01 — confirmation-statement-with-no-updates
confirmation-statement
AP01 — appoint-person-director-company-with-name-date
officers
TM01 — termination-director-company-with-name-termination-date
officers
TM02 — termination-secretary-company-with-name-termination-date
officers
AA — accounts-with-accounts-type-small
accounts
CS01 — confirmation-statement-with-no-updates
confirmation-statement
TM01 — termination-director-company-with-name-termination-date
officers
AP01 — appoint-person-director-company-with-name-date
officers
AA — accounts-with-accounts-type-small
accounts
TM01 — termination-director-company-with-name-termination-date
officers
AD01 — change-registered-office-address-company-with-date-old-address-new-address
address
CS01 — confirmation-statement-with-updates
confirmation-statement
SH01 — capital-allotment-shares
capital
AA — accounts-with-accounts-type-small
accounts

Charges

1 outstanding · 1 satisfied

A registered charge — persons entitled: Barclays Bank PLC
outstanding
A registered charge — persons entitled: Clydesdale Bank PLC
fully-satisfied

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

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Frequently asked questions

What is the company number of CORERO NETWORK SECURITY (UK) LIMITED?
According to the official registry, the company number of CORERO NETWORK SECURITY (UK) LIMITED is 04047090.
Where is CORERO NETWORK SECURITY (UK) LIMITED registered?
The registered office is 1 FORE STREET AVENUE, LONDON, EC2Y 9DT, ENGLAND.
Who runs CORERO NETWORK SECURITY (UK) LIMITED?
ROCKEY, Emma Frances is listed among the officers of CORERO NETWORK SECURITY (UK) LIMITED.
What is the SIC code of CORERO NETWORK SECURITY (UK) LIMITED?
The nature of business is recorded under SIC code 82990 — Other business support service activities n.e.c..
Who controls CORERO NETWORK SECURITY (UK) LIMITED?
Corero Network Security Plc is recorded as a person with significant control, and owns 75–100% of shares.
When are the next accounts of CORERO NETWORK SECURITY (UK) LIMITED due?
The next annual accounts are due by 30 September 2027, and the last accounts were made up to 31 December 2025.
Does CORERO NETWORK SECURITY (UK) LIMITED have any outstanding charges?
Yes — 1 outstanding charge is registered against the company, alongside 1 already satisfied.

About CORERO NETWORK SECURITY (UK) LIMITED (04047090)

CORERO NETWORK SECURITY (UK) LIMITED is a private limited company incorporated on 4 August 2000 and registered in the United Kingdom under company number 04047090. Its registered office is at 1 FORE STREET AVENUE, LONDON, EC2Y 9DT, 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 December 2025. 22 active officers are on record , and the person with significant control is Corero Network Security Plc. 1 outstanding charge is registered against it. This profile is provided by opendata.bot by Noetikos, aggregating official data from Companies House bulk data , last refreshed 9 September 2026.

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