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Diamond Offshore Limited
Diamond Offshore Limited is an active company incorporated on 2 December 1968 with the registered office located in Altrincham, Greater Manchester. Diamond Offshore Limited was registered 56 years ago.
Watch Company
Status
Active
Active since
incorporation
Company No
00943475
Private limited company
Age
56 years
Incorporated
2 December 1968
Size
Large
Turnover is over
£54M
Balance sheet is over
£27M
Confirmation
Submitted
Dated
14 February 2025
(8 months ago)
Next confirmation dated
14 February 2026
Due by
28 February 2026
(4 months remaining)
Last change occurred
7 months ago
Accounts
Submitted
For period
1 Jan
⟶
31 Dec 2023
(12 months)
Accounts type is
Full
Next accounts for period
31 December 2024
Due by
31 December 2025
(2 months remaining)
Learn more about Diamond Offshore Limited
Contact
Update Details
Address
3rd Floor 1 Ashley Road
Altrincham
Cheshire
WA14 2DT
United Kingdom
Address changed on
27 Nov 2024
(10 months ago)
Previous address was
One Fleet Place London EC4M 7WS United Kingdom
Companies in WA14 2DT
Telephone
01224727500
Email
Available in Endole App
Website
Diamondoffshore.com
See All Contacts
People
Officers
7
Shareholders
1
Controllers (PSC)
1
Carolyn Fiona Cosgrove
Director • Secretary • British • Lives in Scotland • Born in Nov 1971
David Michel Jacques Dujacquier
Director • Controller • Belgian • Lives in Belgium • Born in Jan 1970
Dominic Antony Savarino
Director • Business Manager • American • Lives in United States • Born in Apr 1970
Bruce Boyle
Director • British • Lives in UK • Born in Apr 1974
David Lynn Roland
Director • Business Manager • American • Lives in United States • Born in Jun 1961
See Key People
Shareholders, PSCs & Group Structure
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Mutual Companies
Noble Offshore Drilling (UK) Ltd
David Lynn Roland, Dominic Antony Savarino, and 4 more are mutual people.
Active
Diamond Offshore Enterprises Limited
Dentons Secretaries Limited, David Lynn Roland, and 3 more are mutual people.
Active
Diamond Rig Investments Limited
Dentons Secretaries Limited, David Lynn Roland, and 3 more are mutual people.
Active
Noble Drilling UK Ltd
Carolyn Fiona Cosgrove, Bruce Boyle, and 1 more are mutual people.
Active
Noble Highlander UK Ltd
Carolyn Fiona Cosgrove and Bruce Boyle are mutual people.
Active
Noble Holding Land Support Limited
Bruce Boyle and David Michel Jacques Dujacquier are mutual people.
Active
Noble Nec Holdings Limited
Bruce Boyle and David Michel Jacques Dujacquier are mutual people.
Active
Noble Corporation 2022 Limited
Bruce Boyle and David Michel Jacques Dujacquier are mutual people.
Active
See All Mutual Companies
Financials
Net Assets, Total Assets & Total Liabilities (2014–2023)
Period Ended
31 Dec 2023
For period
31 Dec
⟶
31 Dec 2023
Traded for
12 months
Cash in Bank
£10K
Decreased by £40K (-80%)
Turnover
£121.92M
Increased by £26.54M (+28%)
Employees
2
Same as previous period
Total Assets
£1.57B
Decreased by £186.47M (-11%)
Total Liabilities
-£28.12M
Decreased by £92.63M (-77%)
Net Assets
£1.54B
Decreased by £93.83M (-6%)
Debt Ratio (%)
2%
Decreased by 5.08% (-74%)
See 10 Year Full Financials
Latest Activity
Diamond Offshore Drilling Inc. (PSC) Resigned
7979 Years Ago on 31 Dec 9999
David Michel Jacques Dujacquier Appointed
2 Months Ago on 6 Aug 2025
Confirmation Submitted
7 Months Ago on 25 Feb 2025
Full Accounts Submitted
8 Months Ago on 14 Feb 2025
Charge Satisfied
10 Months Ago on 11 Dec 2024
Charge Satisfied
10 Months Ago on 11 Dec 2024
Noble Offshore Drilling (Uk) Ltd (PSC) Details Changed
10 Months Ago on 27 Nov 2024
Mrs Carolyn Fiona Cosgrove Appointed
11 Months Ago on 25 Nov 2024
Diamond Offshore Drilling (Uk) Limited. (PSC) Details Changed
11 Months Ago on 7 Nov 2024
Diamond Offshore Drilling (Uk) Limited. (PSC) Appointed
1 Year 8 Months Ago on 7 Feb 2024
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Documents
Appointment of David Michel Jacques Dujacquier as a director on 6 August 2025
Submitted on 8 Aug 2025
Confirmation statement made on 14 February 2025 with updates
Submitted on 25 Feb 2025
Change of details for Noble Offshore Drilling (Uk) Ltd as a person with significant control on 27 November 2024
Submitted on 21 Feb 2025
Change of details for Diamond Offshore Drilling (Uk) Limited. as a person with significant control on 7 November 2024
Submitted on 21 Feb 2025
Notification of Diamond Offshore Drilling (Uk) Limited. as a person with significant control on 7 February 2024
Submitted on 17 Feb 2025
Cessation of Diamond Offshore Drilling Inc. as a person with significant control on 31 December 9999
Submitted on 17 Feb 2025
Full accounts made up to 31 December 2023
Submitted on 14 Feb 2025
Appointment of Mrs Carolyn Fiona Cosgrove as a secretary on 25 November 2024
Submitted on 18 Dec 2024
Satisfaction of charge 009434750041 in full
Submitted on 11 Dec 2024
Part of the property or undertaking has been released from charge 009434750044
Submitted on 11 Dec 2024
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Repayment History
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