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Company number
08353777

SHEARWATER SYSTEMS LIMITED

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

Company details

Registered name
SHEARWATER SYSTEMS LIMITED
Company number
08353777
Registered office
GROUND FLOOR, BUILDING 5 CALDECOTT LAKE DRIVE, CALDECOTTE, MILTON KEYNES, BUCKINGHAMSHIRE, MK7 8LE, ENGLAND
Company type
Private Limited Company
Incorporated on
9 January 2013
Status
Active
Age
13 years
Nature of business (SIC)
62090 — Other information technology service activities
Accounts — next due
31 Dec 2026
Accounts — last made up to
31 Mar 2025
Confirmation statement — next due
19 Jan 2027
Confirmation statement — last
05 Jan 2026

People with significant control

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

Graphnet Health Limited
owns 75–100% of shares · holds 75–100% of voting rights · can appoint and remove directors
Notified 30/12/2019
Mr Ian Sean Denley
has significant influence or control
Notified 06/04/2016
Mr Markus Simon Bolton
has significant influence or control
Notified 06/04/2016

Corporate structure

Who controls this company, and who they control in turn

3 controllers 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 Notified 30/12/2019
Mr Ian Sean Denley
born 01/1964 · England has significant influence or control Control ended 27/03/2024 Controls 3 companies
Mr Markus Simon Bolton
born 03/1957 · England has significant influence or control Control ended 27/03/2024 Controls 4 companies

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
27/03/2024 Person with significant control ceased Mr Markus Simon Bolton
27/03/2024 Person with significant control ceased Mr Ian Sean Denley
30/12/2019 Person with significant control added Graphnet Health Limited
06/04/2016 Person with significant control added Mr Markus Simon Bolton
06/04/2016 Person with significant control added Mr Ian Sean Denley

Documents for SHEARWATER SYSTEMS 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

No entry found on the ICO register of fee payers under this name.

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Get this company via API

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Frequently asked questions

What is the company number of SHEARWATER SYSTEMS LIMITED?
According to the official registry, the company number of SHEARWATER SYSTEMS LIMITED is 08353777.
Where is SHEARWATER SYSTEMS LIMITED registered?
The registered office is GROUND FLOOR, BUILDING 5 CALDECOTT LAKE DRIVE, CALDECOTTE, MILTON KEYNES, BUCKINGHAMSHIRE, MK7 8LE, ENGLAND.
What is the SIC code of SHEARWATER SYSTEMS LIMITED?
The nature of business is recorded under SIC code 62090 — Other information technology service activities.
Who controls SHEARWATER SYSTEMS LIMITED?
Graphnet Health 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 SHEARWATER SYSTEMS LIMITED due?
The next annual accounts are due by 31 December 2026, and the last accounts were made up to 31 March 2025.

About SHEARWATER SYSTEMS LIMITED (08353777)

SHEARWATER SYSTEMS LIMITED is a private limited company incorporated on 9 January 2013 and registered in the United Kingdom under company number 08353777. Its registered office is at GROUND FLOOR, BUILDING 5 CALDECOTT LAKE DRIVE, CALDECOTTE, MILTON KEYNES, BUCKINGHAMSHIRE, MK7 8LE, 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 March 2025. , and the person with significant control is Graphnet Health 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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