Filing status
- Accounts due
- 31 December 2026
- Last accounts
- 31 March 2025
- Conf. stmt due
- 12 May 2027
- Last conf. stmt
- 28 April 2026
Sienna Management Limited
- Incorporated
- 28 April 2005 (21 years)
- Industry
- Other letting and operating of own or leased real estate (68209)
- Directors
- Owned by
- Melanie Johanne Coburn
- Accounts type
- Small
- Region
- Greater London
- Address
- The Scalpel18th Floor52 Lime StreetLondonEC3M 7AF
Officers 3 active
Officer details are public data from the Companies House register.
Director · Appointed 5 November 2024
British
Born February 1969 (57)
Corporate Secretary · Appointed 29 May 2023
Director · Appointed 23 July 2015
British
Born February 1963 (63)
Officer history (8 former)
5 November 2024
31 March 2024
29 May 2023
29 May 2023
31 January 2020
31 January 2020
23 July 2015
23 July 2015
23 July 2015
31 March 2015
17 October 2014
14 October 2014
1 October 2014
1 October 2014
31 May 2006
1 February 2006
28 April 2005
28 April 2005
28 April 2005
Ownership 2 active
People and entities with significant control, from the Companies House PSC register
Corporate entity · Notified 14 March 2024
Holds 50–75% of voting rights
Right to appoint and remove directors
Corporate
Reg. no. 04032536
Melanie Johanne Coburn
Individual · Notified 8 September 2021
Owns 50–75% of shares
Holds 25–50% of voting rights
British
Born July 1969 (57)
Former controllers (3)
14 March 2024
Ceased Tilfen Land Limited — Holds 50–75% of voting rights
8 September 2021
Ceased Coburn Brothers Limited — Owns 50–75% of shares
17 August 2020
Ceased Ash Poultry Wholesalers Limited — Owns 25–50% of shares
Group structure 10 companies
Ownership group derived from the Companies House PSC register
Cobalt Estate Management Limited Holds 50–75% of voting rights
Peabody Waterfront Limited Owns 75–100% of shares
Thamesmead Waterfront LLP Holds 25–50% of voting rights
Pontoon Reach Energy Management Company Limited Owns 25–50% of shares
Pontoon Reach Management Company Limited Owns 25–50% of shares
Sienna Management Limited This company Holds 50–75% of voting rights
Tilflex Management Company Limited Holds 50–75% of voting rights
Veridion Park Management Company Limited Owns 75–100% of shares
White Hart Triangle Management Limited Holds 50–75% of voting rights
Filings
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