Cobalt Data Centres Limited

Active05654236 Private limited company

Incorporated: 14 December 2005 (20 years)
Previously known as: Highbridge North Tyneside Developer One Limited (until 23 May 2013)
Atmel North Tyneside Developer One Limited (until 19 December 2007)
This list may be incomplete. See all names on Companies House
Industry: Development of building projects (41100)
Directors: Guy Norman Marsden
Owned by: Safedove Limited
Accounts type: Total exemption full
Region: North West
Address: 8 Winmarleigh Street
Warrington
WA1 1JW

Filing status

Accounts due: 31 December 2026
Last accounts: 31 March 2025
Conf. stmt due: 9 February 2027
Last conf. stmt: 26 January 2026

Charges

Total: 15
Outstanding: 15
Part satisfied: 0
Satisfied: 0

Officers 2 active

Officer details are public data from the Companies House register.

Marsden, Guy Norman

Secretary · Appointed 22 July 2026

Marsden, Guy Norman

Director · Appointed 2 April 2009

Also at Highbridge (KD) Dpa Limited, Sherwood (H2O) Management Limited, Highbridge (Wallsend) No. 1 Limited · more companies

British

Born March 1957 (69)

Officer history (15 former)

22 July 2026

Resigned Pulford, Piet James as Secretary

22 July 2026

Appointed Marsden, Guy Norman as Secretary

22 July 2026

Resigned Pulford, Piet James as Director

6 August 2010

Resigned Ashwell, David William as Director

6 August 2010

Resigned Davies, Arthur Simon as Director

2 April 2009

Appointed Marsden, Guy Norman as Director

2 April 2009

Appointed Ashwell, David William as Director

30 November 2007

Resigned Reutens, Patrick as Director

30 November 2007

Appointed Davies, Arthur Simon as Director

30 November 2007

Appointed Pulford, Piet James as Secretary

30 November 2007

Resigned Eps Secretaries Limited as Corporate Secretary

30 November 2007

Resigned Avery, Robert as Director

30 November 2007

Resigned Wu, Tsung-Ching as Director

30 November 2007

Resigned Laub, Steven as Director

30 November 2007

Appointed Pulford, Piet James as Director

6 October 2006

Appointed Reutens, Patrick as Director

6 October 2006

Resigned Ross, James Michael as Director

6 October 2006

Resigned Perlegos, Angela as Director

6 October 2006

Appointed Laub, Steven as Director

6 October 2006

Resigned Perlegos, George as Director

6 October 2006

Appointed Avery, Robert as Director

27 January 2006

Appointed Perlegos, Angela as Director

27 January 2006

Appointed Eps Secretaries Limited as Corporate Secretary

27 January 2006

Appointed Ross, James Michael as Director

27 January 2006

Appointed Wu, Tsung-Ching as Director

27 January 2006

Appointed Perlegos, George as Director

27 January 2006

Resigned Dla Piper UK Secretarial Services Limited as Corporate Secretary

27 January 2006

Resigned Dla Piper UK Nominees Limited as Corporate Director

27 January 2006

Resigned Dla Piper UK Secretarial Services Limited as Corporate Director

14 December 2005

Appointed Dla Piper UK Secretarial Services Limited as Corporate Secretary

14 December 2005

Appointed Dla Piper UK Nominees Limited as Corporate Director

14 December 2005

Appointed Dla Piper UK Secretarial Services Limited as Corporate Director

Ownership 1 active

People and entities with significant control, from the Companies House PSC register

Safedove Limited

Corporate entity · Notified 6 April 2016

Owns 75–100% of shares

Holds 75–100% of voting rights

Right to appoint and remove directors

Private Limited Company

Reg. no. 08134397

Former controllers (3)

6 April 2016

Ceased Piet James Pulford — Owns 25–50% of shares

6 April 2016

Ceased Claire Nicola Marsden — Owns 25–50% of shares

6 April 2016

Ceased Guy Norman Marsden — Has significant influence or control

Group structure 18 shown

Ownership group derived from the Companies House PSC register

Safedove Limited

Cobalt Data Centres Limited This company Owns 75–100% of shares

Highbridge North Tyneside Contractor One Limited Owns 75–100% of shares

Cobalt South Land Limited Owns 75–100% of shares

Cuos Limited Owns 75–100% of shares

Highbridge Business Park North Limited Owns 75–100% of shares

Safehawk Limited Owns 75–100% of shares

Drydove Investments Limited Owns 75–100% of shares

Highbridge Cobalt Limited Owns 75–100% of shares

Ashall Hadrian Limited Owns 75–100% of shares

Buckinghamshire Properties Limited Owns 75–100% of shares

Cobalt Real Estate Limited Owns 75–100% of shares

Highbridge Business Park Limited Owns 75–100% of shares

Highbridge Management Services Limited Owns 75–100% of shares

Highbridge Properties Limited Owns 75–100% of shares

Topup Limited Status not confirmedOwns 75–100% of shares

I.C.H. Financial and Technical Services Limited DissolvedOwns 75–100% of shares

Winterfield Limited Owns 75–100% of shares

Financials

Balance sheet as at 31 March 2025 · total exemption full accounts

Net Assets: (£60,867)
Cash: £184,703,075
Employees: 4

Current Ratio: 2.9x

Trend

Net Assets

Balance sheet detail

	2025	2024	2023	2022	2021
Fixed Assets				£1	£1
Current Assets	£186,429,311	£188,968,715		£190,274,648	£201,735,999
Debtors	£1,726,236	£4,265,640		£5,571,673	£7,796,811
Cash	£184,703,075	£184,703,075		£184,702,975	£193,939,188
Creditors (< 1 year)	£63,694,496	£63,550,352	£63,122,093	£64,323,448	£65,988,039
Net Current Assets	£122,734,815	£125,418,363		£125,951,200	£135,747,960
Net Assets	(£60,867)	(£35,941)		£301,306	£327,244
Shareholder Funds	(£60,867)	(£35,941)		£301,306	£327,244

Filings

Recent filings only. See the full history on Companies House

Date	Description	Made Up To
31 July 2026	Termination of appointment of a director
31 July 2026	Termination of appointment of a secretary
31 July 2026	Appointment of a secretary
26 January 2026	Confirmation statement with no updates	26 January 2026
9 January 2026	Change of details for a person with significant control