Filing status
- Accounts due
- 31 December 2026
- Last accounts
- 31 December 2024
- Conf. stmt due
- 28 February 2027
- Last conf. stmt
- 14 February 2026
Diamond Offshore Limited
- Incorporated
- 2 December 1968 (57 years)
- Industry
- Extraction of crude petroleum (06100)
- Owned by
- Accounts type
- Audit exemption subsidiary
- Region
- North West
- Address
- 3rd Floor1 Ashley RoadAltrinchamWA14 2DT
Charges
- Total
- 49
- Outstanding
- 6
- Part satisfied
- 0
- Satisfied
- 43
Officers 4 active
Officer details are public data from the Companies House register.
Director · Appointed 6 August 2025
Belgian
Born January 1970 (56)
Cosgrove, Carolyn Fiona
Secretary · Appointed 25 November 2024
Director · Appointed 4 September 2024
British
Born April 1974 (52)
Director · Appointed 4 September 2024
British
Born November 1971
Officer history (33 former)
6 August 2025
25 November 2024
Appointed Cosgrove, Carolyn Fiona as Secretary
31 October 2024
4 September 2024
4 September 2024
4 September 2024
4 September 2024
23 September 2023
21 April 2022
6 December 2021
6 December 2021
14 September 2021
14 September 2021
13 August 2021
13 August 2021
30 June 2021
21 June 2021
28 January 2021
28 January 2021
10 December 2020
10 December 2020
25 May 2020
24 May 2018
24 May 2018
27 October 2017
27 October 2017
15 October 2014
15 October 2014
3 June 2014
3 June 2014
9 July 2012
8 December 2011
6 December 2011
11 November 2008
15 September 2006
10 April 2006
10 April 2006
1 May 2004
1 May 2004
4 January 2003
31 December 2002
31 December 2002
31 December 2002
16 November 2000
16 November 2000
31 December 1999
6 December 1999
6 December 1999
20 August 1999
20 August 1999
Resigned Mcalpine, Kenneth William as Director
29 December 1998
29 December 1998
29 December 1998
Appointed Mcalpine, Kenneth William as Director
23 September 1998
22 June 1998
22 June 1998
31 March 1998
1 March 1996
31 December 1993
31 December 1993
30 September 1993
20 August 1993
20 August 1993
30 March 1992
Ownership 1 active
People and entities with significant control, from the Companies House PSC register
Corporate entity · Notified 13 May 2025
Owns 75–100% of shares
Holds 75–100% of voting rights
Right to appoint and remove directors
Public Limited Company
Reg. no. 12958050
Former controllers (2)
13 May 2025
Ceased Noble Offshore Drilling (UK) Ltd — Owns 75–100% of shares
7 February 2024
Ceased Diamond Offshore Drilling Inc — Owns 75–100% of shares
Group structure 12 shown
Ownership group derived from the Companies House PSC register
Diamond Offshore Enterprises Limited Owns 75–100% of shares
Noble Offshore Drilling (UK) Ltd Owns 75–100% of shares
Diamond Offshore Limited This company Owns 75–100% of shares
Diamond Rig Investments Limited Owns 75–100% of shares
Noble Holdco (UK) Limited Owns 75–100% of shares
Noble Ndus Holdings UK Limited Holds 75–100% of voting rights
Noble Drilling UK Ltd Owns 75–100% of shares
Noble Highlander UK Ltd Owns 75–100% of shares
Noble Nec Holdings Limited Owns 75–100% of shares
Noble Holding Land Support Limited Owns 75–100% of shares
Noble Ndus UK Ltd Owns 75–100% of shares
Filings
Recent filings only. See the full history on Companies House
| Date | Description | Made Up To | Pages | |
|---|---|---|---|---|
| 30 October 2026 | Memorandum and Articles of Association | |||
| 11 September 2026 | Resolutions | |||
| 7 September 2026 | Registration of a charge | |||
| 7 September 2026 | Registration of a charge | |||
| 4 September 2026 | Statement of capital following an allotment of shares |
Other companies at this postcode
Over 1,000 have been registered at this postcode.
Other companies in this industry
London
London
London
London
London
Need accounts figures, ownership or websites for thousands of companies? Bulk data & API →