Website & contact details
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Semperian No.21 Limited
- Incorporated
- 9 May 2007 (19 years)
- Previously known as
- Trillium No.21 Limited (until 9 February 2009)Land Securities Trillium No.21 Limited (until 26 January 2009)Shelfco (No. 3421) Limited (until 21 June 2007)
- Industry
- Other business support service activities n.e.c. (82990)
- Accounts type
- Full
- Region
- Greater London
- Address
- 4th Floor1 Gresham StreetLondonEC2V 7BX
Filing status
- Accounts due
- 31 December 2027
- Last accounts
- 31 March 2026
- Conf. stmt due
- 23 May 2027
- Last conf. stmt
- 9 May 2026
Officers 4 active
Officer details are public data from the Companies House register.
Director · Appointed 18 January 2023
British
Born October 1979 (47)
Director · Appointed 18 January 2023
British
Born May 1985 (41)
Director · Appointed 9 October 2014
British
Born September 1973 (53)
Corporate Secretary · Appointed 12 January 2009
Officer history (10 former)
31 March 2023
18 January 2023
18 January 2023
31 October 2017
31 October 2017
Resigned Ppp Nominee Directors Limited as Corporate Director
9 October 2014
9 October 2014
15 September 2011
Appointed Ppp Nominee Directors Limited as Corporate Director
15 September 2011
12 January 2009
12 January 2009
12 January 2009
12 January 2009
12 January 2009
12 January 2009
12 January 2009
16 October 2008
21 June 2007
21 June 2007
21 June 2007
21 June 2007
21 June 2007
9 May 2007
9 May 2007
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
Holds 75–100% of voting rights
Right to appoint and remove directors
Limited By Shares
Reg. no. 06250753
Holdings 1
Companies where Semperian No.21 Limited is registered as a person with significant control
Owns 75–100% of shares
Active
Group structure 60 shown
Ownership group derived from the Companies House PSC register
Semperian Economic Infrastructure Limited Owns 75–100% of shares
Semperian Infrastructure Portfolio Limited Owns 75–100% of shares
Pfi Investments Limited Owns 75–100% of shares
Birmingham Healthcare Services (Holdings) Limited Owns 75–100% of shares
Brighton & Hove City Schools Services (Holdings) Limited Owns 75–100% of shares
Chiltern Securities Limited Owns 75–100% of shares
Defence Training Services Limited Owns 25–50% of shares
Richmond Upon Thames Schools Services (Holdings) Limited Owns 75–100% of shares
Schools Investment Company Limited Owns 75–100% of shares
Sunderland CLC Schools Investment Company Limited Owns 75–100% of shares
Torbay Schools Services Limited Owns 75–100% of shares
XJ4 Holding Company Limited Owns 75–100% of shares
XJ6 Schools Holdings Limited Owns 75–100% of shares
Semperian (Community Health) Limited Owns 75–100% of shares
Intermediate Care Limited Owns 75–100% of shares
Rbil Group Limited Owns 75–100% of shares
Semperian (Community Health) Grosvenor Limited Owns 75–100% of shares
Semperian PPP Investment Partners No.2 Limited Owns 75–100% of shares
3 ED Holdings Limited Owns 25–50% of shares
A1 PPP Infrastructure Holdings Limited Owns 75–100% of shares
Aberdeen Roads Holdings Limited Owns 25–50% of shares
Arteos GP Limited Owns 75–100% of shares
Baglan Moor Healthcare Holdings Limited Owns 75–100% of shares
Bandbreeze Limited Owns 75–100% of shares
BWP Services (Holdings No 3) Limited Owns 75–100% of shares
Community Health Facilities (Holdings) Limited Owns 75–100% of shares
Consort Healthcare (Fife) Holdings Limited Holds 75–100% of voting rights
Consort Healthcare (Fife) Intermediate Limited Owns 75–100% of shares
D4E Mulberry (Holdings) Limited Owns 25–50% of shares
Endeavour SCH Holdings Limited Owns 25–50% of shares
Esp (Holdings) Limited Owns 25–50% of shares
Facilities Management Solutions Limited Owns 75–100% of shares
Semperian No.21 Limited This company Owns 75–100% of shares
Semperian PPP Investment Partners No.3 Limited Owns 75–100% of shares
Holyrood Holdings Limited Owns 75–100% of shares
Semperian Management Group Limited Owns 75–100% of shares
Imagile Group Limited Owns 75–100% of shares
Imagile Infrastructure Management Limited Owns 75–100% of shares
Mamg Infrastructure Management Limited Owns 75–100% of shares
Mamg Asset Management Group Ltd Owns 75–100% of shares
Semperian Spareco No.2 Limited Owns 75–100% of shares
SCM Manco 1 Limited Owns 75–100% of shares
Semperian Asset Management Limited Owns 75–100% of shares
Exige Infrastructure Management Limited Owns 75–100% of shares
Imagile Asset Management Limited Owns 75–100% of shares
Imagile Limited Owns 75–100% of shares
Imagile Support Services Limited Owns 75–100% of shares
PPP Nominee Directors Limited Owns 75–100% of shares
Schools PBS Limited Owns 75–100% of shares
SCM Newco Limited Owns 75–100% of shares
Semperian (Holdings) Limited Owns 75–100% of shares
Semperian Infrastructure Management Limited Owns 75–100% of shares
Semperian Assurance Services Limited Owns 75–100% of shares
Semperian Capital Management Limited Owns 75–100% of shares
Semperian Group Services Limited Owns 75–100% of shares
Semperian Health Management (Uclh) LC Limited Owns 75–100% of shares
Semperian Technical Management Limited Owns 75–100% of shares
Filings 86
| Date | Description | Made Up To | Pages | |
|---|---|---|---|---|
| 27 August 2026 | Full accounts | 31 March 2026 | ||
| 14 May 2026 | Confirmation statement with no updates | 9 May 2026 | ||
| 7 October 2025 | Full accounts | 31 March 2025 | ||
| 21 May 2025 | Confirmation statement with no updates | 9 May 2025 | ||
| 16 October 2024 | Full accounts | 31 March 2024 |
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