Clare, Mark Sydney
These details are public data from the Companies House register.
- Nationality
- British
Appointments
Not a complete list. See all appointments on Companies House
Former appointments (29)
Director · Appointed 16 November 2005 · Resigned 30 September 2006
Company active
Director · Appointed 30 September 2004 · Resigned 30 September 2006
Company active
Director · Appointed 19 September 2003 · Resigned 30 September 2006
Company active
Director · Appointed 1 January 2002 · Resigned 21 September 2006
Company active
Director · Appointed 14 November 2001 · Resigned 21 March 2005
Company active
Director · Appointed 1 November 2001 · Resigned 26 June 2006
Company active
Director · Appointed 5 April 2001 · Resigned 28 April 2004
Company dissolved
Director · Appointed 25 April 2000 · Resigned 3 December 2001
Company active
Director · Appointed 4 February 2000 · Resigned 21 July 2005
Company active
Director · Appointed 11 November 1999 · Resigned 31 December 2001
Company active
Director · Appointed 23 September 1999 · Resigned 30 September 2004
Company active
Director · Appointed 23 September 1999 · Resigned 30 September 2004
Company active
Director · Appointed 23 September 1999 · Resigned 1 July 2002
Company active
Director · Appointed 23 September 1999 · Resigned 1 July 2002
Company active
Director · Appointed 23 September 1999 · Resigned 30 September 2004
Company active
Director · Appointed 23 September 1999 · Resigned 14 March 2002
Company active
Director · Appointed 23 September 1999 · Resigned 20 November 2000
Company active
Director · Appointed 23 September 1999 · Resigned 30 September 2004
Company active
Director · Appointed 23 September 1999 · Resigned 14 March 2002
Company active
Director · Appointed 23 September 1999 · Resigned 14 March 2002
Company active
Director · Appointed 15 September 1999 · Resigned 19 October 2001
Company active
Director · Appointed 26 November 1998 · Resigned 15 March 1999
Company active
Director · Appointed 13 March 1998 · Resigned 20 November 2000
Company active
Director · Appointed 16 October 1996 · Resigned 30 September 2006
Company active
Director · Appointed 29 August 1996 · Resigned 30 September 2006
Company active
Director · Appointed 27 June 1996 · Resigned 30 September 2006
Company active
Director · Appointed 14 May 1996 · Resigned 9 March 2006
Company active
Director · Appointed 27 October 1994 · Resigned 12 September 1996
Company active
Director · Appointed 18 July 1994 · Resigned 20 November 2000
Company active
Worked with
Officers who served alongside Clare, Mark Sydney
Director at Centrica PLC · Resigned 31 December 2011
Director at Centrica PLC · Resigned 30 June 2013
Director at The National Gas Museum Trust · Resigned 22 July 2022
Director at Centrica PLC · Resigned 31 December 2013
Secretary at Centrica PLC · Resigned 31 March 2019
Director at Centrica PLC · Resigned 31 December 2014
Director at Energy Retail Association Limited · Resigned 5 July 2007
Horne, John Britland
Director at The National Gas Museum Trust · Resigned 29 April 2026