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Company number
12495754

SHANNON DIAMOND DRILLING LTD

Active
✓ Active company on the official register. Next accounts due 31 December 2027.

Company details

South East, 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
SHANNON DIAMOND DRILLING LTD
Company number
12495754
Registered office
THE COACH HOUSE, GREYS GREEN BUSINESS CENTRE, HENLEY ON THAMES, OXON, RG9 4QG, UNITED KINGDOM · 185 other companies at this postcode
Company type
Private Limited Company
Incorporated on
3 March 2020
Status
Active
Age
6 years
Nature of business (SIC)
43130 — Test drilling and boring
Accounts — next due
31 Dec 2027
Accounts — last made up to
31 Mar 2026
Confirmation statement — next due
16 Mar 2027
Confirmation statement — last
02 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.

People with significant control

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

Mr Balbir Singh Cheema
owns 25–50% of shares · holds 25–50% of voting rights
Notified 03/03/2020
Mr Oliver Allan O'Donovan
owns 50–75% of shares · holds 50–75% of voting rights · can appoint and remove directors
Notified 03/03/2020
Mr Sean Patrick Maguire
owns 25–50% of shares · holds 25–50% of voting rights
Notified 03/03/2020

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

Mr Oliver Allan O'Donovan
born 09/1966 · United Kingdom owns 50–75% of shares · holds 50–75% of votes · can appoint and remove directors Notified 03/03/2020 Controls 22 companies
Mr Sean Patrick Maguire
born 12/1989 · United Kingdom owns 25–50% of shares · holds 25–50% of votes Notified 03/03/2020 Controls 6 companies
Mr Balbir Singh Cheema
born 01/1958 · United Kingdom owns 25–50% of shares · holds 25–50% of votes Control ended 01/03/2026

Change history

Reconstructed from the dated records Companies House publishes

DateChangeWasNow
01/03/2026 Person with significant control ceased Mr Balbir Singh Cheema
03/03/2020 Person with significant control added Mr Sean Patrick Maguire
03/03/2020 Person with significant control added Mr Oliver Allan O'Donovan
03/03/2020 Person with significant control added Mr Balbir Singh Cheema

Documents for SHANNON DIAMOND DRILLING 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

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 SHANNON DIAMOND DRILLING LTD?
According to the official registry, the company number of SHANNON DIAMOND DRILLING LTD is 12495754.
Where is SHANNON DIAMOND DRILLING LTD registered?
The registered office is THE COACH HOUSE, GREYS GREEN BUSINESS CENTRE, HENLEY ON THAMES, OXON, RG9 4QG, UNITED KINGDOM.
What is the SIC code of SHANNON DIAMOND DRILLING LTD?
The nature of business is recorded under SIC code 43130 — Test drilling and boring.
Who controls SHANNON DIAMOND DRILLING LTD?
Mr Balbir Singh Cheema is recorded as a person with significant control, and owns 25–50% of shares, holds 25–50% of voting rights.
When are the next accounts of SHANNON DIAMOND DRILLING LTD due?
The next annual accounts are due by 31 December 2027, and the last accounts were made up to 31 March 2026.

About SHANNON DIAMOND DRILLING LTD (12495754)

SHANNON DIAMOND DRILLING LTD is a private limited company incorporated on 3 March 2020 and registered in the United Kingdom under company number 12495754. Its registered office is at THE COACH HOUSE, GREYS GREEN BUSINESS CENTRE, HENLEY ON THAMES, OXON, RG9 4QG, UNITED KINGDOM. The recorded nature of business is test drilling and boring (SIC 43130). The company is currently active , with statutory accounts last made up to 31 March 2026. , and the person with significant control is Mr Balbir Singh Cheema. 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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