What Sinclair House School say about themselves
“Sinclair House School provide a high-quality, comprehensive, and meaningful education, celebrating individual talents, and encouraging academic success.”
Sinclair House School Limited
- Incorporated
- 27 January 1993 (33 years)
- Industry
- Pre-primary education (85100)
- Directors
- Carlotta Thejll Moller O'Sullivan
- Owned by
- Carlotta Thejll-Moller O'SullivanRichard Daniel O'Sullivan
- Accounts type
- Total exemption full
- Region
- Greater London
- Address
- 159 Munster RoadFulhamLondomSW6 6DA
Website & contact details
- Website
Filing status
- Accounts due
- 31 May 2028
- Last accounts
- 31 August 2026
- Conf. stmt due
- 18 March 2027
- Last conf. stmt
- 4 March 2026
Charges
- Total
- 1
- Outstanding
- 1
- Part satisfied
- 0
- Satisfied
- 0
Officers 2 active
Officer details are public data from the Companies House register.
O'Sullivan, Richard Daniel
Secretary · Appointed 2 March 2005
Irish
Thejll Moller O'Sullivan, Carlotta
Director · Appointed 2 March 2005
Danish
Born January 1971 (55)
Officer history (5 former)
2 March 2005
Appointed O'Sullivan, Richard Daniel as Secretary
2 March 2005
Appointed Thejll Moller O'Sullivan, Carlotta as Director
2 March 2005
2 March 2005
31 December 1994
31 December 1994
Resigned Sinclair - House, Nicholas James Alexander as Secretary
27 January 1994
27 January 1993
27 January 1993
27 January 1993
27 January 1993
Appointed Sinclair - House, Nicholas James Alexander as Secretary
27 January 1993
Ownership 2 active
People and entities with significant control, from the Companies House PSC register
Carlotta Thejll-Moller O'Sullivan
Individual · Notified 6 April 2016
Owns 50–75% of shares
Holds 50–75% of voting rights
Right to appoint and remove directors
Danish
Born January 1971 (55)
Richard Daniel O'Sullivan
Individual · Notified 6 April 2016
Owns 25–50% of shares
Holds 25–50% of voting rights
Irish
Born November 1969
Financials
Figures from 2025 accounts. Newer accounts, made up to 31 August 2026, are filed but not read yet. See them on Companies House
- Net Assets
- (£242,235)
- Employees
- 17
Trend
Net Assets
Balance sheet detail
| 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | |
|---|---|---|---|---|---|---|---|
| Fixed Assets | £30,788 | £33,637 | £33,987 | £149,149 | £136,267 | £166,544 | |
| Current Assets | £1,090,532 | £627,652 | £559,952 | £463,649 | |||
| Debtors | £652,457 | £1,353,399 | £1,090,179 | £627,651 | £528,751 | £463,631 | |
| Cash | £353 | £1 | £31,201 | £18 | |||
| Creditors (< 1 year) | £793,949 | £1,128,731 | £1,377,440 | £1,147,895 | £1,022,534 | £949,267 | £1,023,293 |
| Creditors (> 1 year) | £131,531 | £624,556 | £591,908 | £631,508 | £170,201 | £126,233 | £200,459 |
| Net Current Assets | (£141,492) | £224,668 | (£57,363) | (£394,882) | (£389,315) | (£559,644) | |
| Net Assets | (£242,235) | (£366,320) | (£655,091) | (£416,249) | (£379,758) | (£593,559) | |
| Shareholder Funds | (£366,320) | (£655,091) | (£416,249) | (£379,758) | (£593,559) |
Filings 92
| Date | Description | Made Up To | Pages | |
|---|---|---|---|---|
| 20 October 2026 | Total exemption full accounts | 31 August 2026 | ||
| 17 March 2026 | Confirmation statement with no updates | 4 March 2026 | ||
| 10 November 2025 | Total exemption full accounts | 31 August 2025 | ||
| 8 April 2025 | Confirmation statement with no updates | 4 March 2025 | ||
| 10 January 2025 | Total exemption full accounts | 31 August 2024 |
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