Carbon Trust Assurance Limited

Active06547658 Private limited company
Incorporated
28 March 2008 (18 years)
Previously known as
Carbon Trust Certification Limited (until 16 August 2017)
The Carbon Trust Standard Company Limited (until 17 October 2011)
The Carbon Reduction Standard Company Limited (until 17 June 2008)
This list may be incomplete. See all names on Companies House
Industry
Other professional, scientific and technical activities n.e.c. (74909)
Directors
Stefania Omassoli
Daniel Laurence Smith
Accounts type
Small
Region
Greater London
Address
Level 5
Arbor
255 Blackfriars Road
London
SE1 9AX

Filing status

Accounts due
31 December 2027
Last accounts
31 March 2026
Conf. stmt due
11 April 2027
Last conf. stmt
28 March 2026

Officers 4 active

Officer details are public data from the Companies House register.

Director · Appointed 30 July 2026
British
Born June 1985 (41)
Hammond, Fiona
Secretary · Appointed 27 November 2025
Omassoli, Stefania
Director · Appointed 27 November 2025
British,Italian
Born September 1979 (47)
Smith, Daniel Laurence
Director · Appointed 1 September 2025
British
Born January 1992 (34)
Officer history (27 former)
30 July 2026
Appointed Hockaday, Martin Peter as Director
24 July 2026
Resigned Barrow, Martin Paul as Director
2 July 2026
Resigned Retallack, Simon as Director
26 February 2026
Resigned Hume Smith, Hilary as Director
27 November 2025
Appointed Barrow, Martin Paul as Director
27 November 2025
Appointed Omassoli, Stefania as Director
27 November 2025
Appointed Hammond, Fiona as Secretary
27 November 2025
Resigned Mcconnachie, Hannah Rymer as Secretary
22 October 2025
Resigned Learmonth, Laura as Director
1 September 2025
Resigned Nicoara, Oana Iulia Livia as Director
1 September 2025
Appointed Learmonth, Laura as Director
1 September 2025
Appointed Hume Smith, Hilary as Director
1 September 2025
Appointed Smith, Daniel Laurence as Director
1 September 2025
Appointed Retallack, Simon as Director
1 September 2025
Resigned O'Dwyer, Marie Julia as Director
1 September 2025
Resigned Rea, Michael Anthony as Director
26 April 2024
Appointed O'Dwyer, Marie Julia as Director
26 April 2024
Appointed Mcconnachie, Hannah Rymer as Secretary
25 April 2024
Resigned Drakesmith, Nicholas Timon as Director
31 March 2024
Resigned Radoycheva, Milena as Secretary
4 December 2023
Appointed Radoycheva, Milena as Secretary
22 September 2023
Resigned Byrne, Laura as Secretary
18 August 2020
Appointed Nicoara, Oana Iulia Livia as Director
20 July 2020
Appointed Drakesmith, Nicholas Timon as Director
1 June 2020
Resigned Hambly, Peter Stephen as Director
11 March 2019
Appointed Byrne, Laura as Secretary
12 December 2018
Resigned Duncan, Bradley Paul as Secretary
12 December 2018
Resigned Duncan, Bradley Paul as Director
12 July 2018
Appointed Hambly, Peter Stephen as Director
12 July 2018
Resigned Omassoli, Stefania as Director
12 July 2018
Appointed Duncan, Bradley Paul as Director
28 April 2017
Resigned Messem, Darran Keith as Director
20 July 2015
Appointed Duncan, Bradley Paul as Secretary
26 September 2014
Resigned Williams, Claire Anne as Secretary
28 February 2012
Appointed Omassoli, Stefania as Director
12 January 2012
Resigned Rawlins, James Spencer as Director
15 December 2011
Appointed Rea, Michael Anthony as Director
15 December 2011
Resigned Morrison, Harry Samuel as Director
1 August 2011
Resigned Delay, Thomas Auguste Read as Director
21 July 2011
Resigned Jones, Hugh Kingsley as Director
20 July 2011
Resigned Boot, Rosemary Jane Cecilia as Director
20 July 2011
Resigned Rea, Michael Anthony as Director
11 July 2011
Appointed Rawlins, James Spencer as Director
11 July 2011
Appointed Messem, Darran Keith as Director
31 May 2011
Resigned Friend, Matthew Alan as Director
20 May 2011
Appointed Morrison, Harry Samuel as Director
20 December 2010
Appointed Rea, Michael Anthony as Director
21 June 2010
Appointed Williams, Claire Anne as Secretary
20 June 2010
Resigned Stockwell, Anthony Howard as Secretary
18 September 2008
Resigned Rea, Michael Anthony as Director
18 September 2008
Resigned Wordsworth, Andrew Christopher as Director
18 September 2008
Appointed Jones, Hugh Kingsley as Director
18 September 2008
Appointed Friend, Matthew Alan as Director
28 March 2008
Appointed Wordsworth, Andrew Christopher as Director
28 March 2008
Appointed Stockwell, Anthony Howard as Secretary
28 March 2008
Appointed Rea, Michael Anthony as Director
28 March 2008
Appointed Boot, Rosemary Jane Cecilia as Director
28 March 2008
Appointed Delay, Thomas Auguste Read as Director

Ownership 1 active

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

Corporate entity · Notified 6 April 2016
Owns 75–100% of shares
Private Limited Company
Reg. no. 05113991

Group structure 9 companies

Ownership group derived from the Companies House PSC register

Carbon Trust Enterprises Limited Owns 75–100% of shares
Carbon Trust Advisory Limited Owns 75–100% of shares
Carbon Trust Assurance Limited This company Owns 75–100% of shares
Sackville LCW (GP) Limited Status not confirmedOwns 25–50% of shares
Carbon Neutral Real Estate LP Right to appoint and remove a person
Carbon Trust International Limited Owns 75–100% of shares
Carbon Trust Investments Limited Owns 75–100% of shares
Carbon Trust Scheme Owner Limited Owns 75–100% of shares

Filings

Recent filings only. See the full history on Companies House

DateDescriptionMade Up ToPagesPDF
3 September 2026Accounts for a small company31 March 2026

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