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Company number
03726666

ZAYO GROUP UK LIMITED

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

Company details

Registered name
ZAYO GROUP UK LIMITED
Company number
03726666
Registered office
4TH FLOOR - THE RELAY BUILDING, 114 WHITECHAPEL HIGH STREET, LONDON, E1 7PT, ENGLAND
Company type
Private Limited Company
Incorporated on
4 March 1999
Status
Active
Age
27 years
Previous names
ABOVENET COMMUNICATIONS UK LIMITED (to 26 Jul 2012)
Nature of business (SIC)
62090 — Other information technology service activities
Accounts — next due
30 Sept 2026
Accounts — last made up to
31 Dec 2024
Confirmation statement — next due
10 Aug 2027
Confirmation statement — last
27 Jul 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

Zayo Group International Limited
owns 75–100% of shares · holds 75–100% of voting rights · can appoint and remove directors
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 · holds 75–100% of votes · can appoint and remove directors Control ended 27/09/2024 Controls 8 companies

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
27/09/2024 Person with significant control ceased Zayo Group International Limited
06/04/2016 Person with significant control added Zayo Group International Limited
26/07/2012 Registered name changed ABOVENET COMMUNICATIONS UK LIMITED ZAYO GROUP UK LIMITED

Documents for ZAYO GROUP 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.

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Data protection register

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

Zayo Group UK Limited — E1 7PT
Tier 1 · renews 20/04/2027
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

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

GET /v1/company/gb/03726666
X-Api-Key: $OPENDATA_KEY
Read the API docs

Frequently asked questions

What is the company number of ZAYO GROUP UK LIMITED?
According to the official registry, the company number of ZAYO GROUP UK LIMITED is 03726666.
Where is ZAYO GROUP UK LIMITED registered?
The registered office is 4TH FLOOR - THE RELAY BUILDING, 114 WHITECHAPEL HIGH STREET, LONDON, E1 7PT, ENGLAND.
What is the SIC code of ZAYO GROUP UK LIMITED?
The nature of business is recorded under SIC code 62090 — Other information technology service activities.
Who controls ZAYO GROUP UK LIMITED?
Zayo Group International Limited is recorded as a person with significant control, and owns 75–100% of shares, holds 75–100% of voting rights, can appoint and remove directors.
When are the next accounts of ZAYO GROUP UK LIMITED due?
The next annual accounts are due by 30 September 2026, and the last accounts were made up to 31 December 2024.

About ZAYO GROUP UK LIMITED (03726666)

ZAYO GROUP UK LIMITED is a private limited company incorporated on 4 March 1999 and registered in the United Kingdom under company number 03726666. Its registered office is at 4TH FLOOR - THE RELAY BUILDING, 114 WHITECHAPEL HIGH STREET, LONDON, E1 7PT, ENGLAND. The recorded nature of business is other information technology service activities (SIC 62090). The company is currently active , with statutory accounts last made up to 31 December 2024. , and the person with significant control is Zayo Group International Limited. 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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