opendata.bot
Company number
07524229

CALIX NETWORKS UK LTD

Active
✓ Active company on the official register. Next accounts due 30 September 2026.

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
CALIX NETWORKS UK LTD
Company number
07524229
Registered office
C/O CSC CLS (UK) LIMITED 5 CHURCHILL PLACE, 10TH FLOOR, LONDON, E14 5HU, UNITED KINGDOM · 2,646 other companies at this postcode
Company type
Private Limited Company
Incorporated on
10 February 2011
Status
Active
Age
15 years
Nature of business (SIC)
61900 — Other telecommunications activities
Accounts — next due
30 Sept 2026
Accounts — last made up to
31 Dec 2024
Confirmation statement — next due
24 Feb 2027
Confirmation statement — last
10 Feb 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

Calix, Inc.
owns 75–100% of shares
Notified 19/11/2021
Ms Suzanne Pamela Tom
can appoint and remove directors
Notified 05/12/2016

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

Calix, Inc. name only
owns 75–100% of shares Notified 19/11/2021
Ms Suzanne Pamela Tom
born 05/1971 · United States can appoint and remove directors Control ended 19/11/2021

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
19/11/2021 Person with significant control ceased Ms Suzanne Pamela Tom
19/11/2021 Person with significant control added Calix, Inc.
05/12/2016 Person with significant control added Ms Suzanne Pamela Tom

Documents for CALIX NETWORKS UK 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.

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Data protection register

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

Calix Networks UK Ltd — E14 5HU
Tier 2 · renews 30/04/2027
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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Frequently asked questions

What is the company number of CALIX NETWORKS UK LTD?
According to the official registry, the company number of CALIX NETWORKS UK LTD is 07524229.
Where is CALIX NETWORKS UK LTD registered?
The registered office is C/O CSC CLS (UK) LIMITED 5 CHURCHILL PLACE, 10TH FLOOR, LONDON, E14 5HU, UNITED KINGDOM.
What is the SIC code of CALIX NETWORKS UK LTD?
The nature of business is recorded under SIC code 61900 — Other telecommunications activities.
Who controls CALIX NETWORKS UK LTD?
Calix, Inc. is recorded as a person with significant control, and owns 75–100% of shares.
When are the next accounts of CALIX NETWORKS UK LTD due?
The next annual accounts are due by 30 September 2026, and the last accounts were made up to 31 December 2024.

About CALIX NETWORKS UK LTD (07524229)

CALIX NETWORKS UK LTD is a private limited company incorporated on 10 February 2011 and registered in the United Kingdom under company number 07524229. Its registered office is at C/O CSC CLS (UK) LIMITED 5 CHURCHILL PLACE, 10TH FLOOR, LONDON, E14 5HU, UNITED KINGDOM. The recorded nature of business is other telecommunications activities (SIC 61900). The company is currently active , with statutory accounts last made up to 31 December 2024. , and the person with significant control is Calix, Inc.. 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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