−£242k
vs Aug 2024Active02784251Private limited companyLondom
SINCLAIR HOUSE SCHOOL LIMITED
Significant control: Carlotta Thejll-Moller O'Sullivan (50–75%), Richard Daniel O'Sullivan (25–50%)
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
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Registered activity: Pre-primary education (SIC 85100). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
SINCLAIR HOUSE SCHOOL LIMITED is an active private limited company (company number 02784251) incorporated on 27 January 1993, registered in Londom. Its registered activity is pre-primary education (SIC 85100). Latest small accounts cover the period ending 31 August 2025, showing net assets of −£242k, with 17 employees on average. Net assets rose 34% on the prior period (−£366k).
Peer position · net assets
By net assets it sits in the bottom quarter of 765 comparable companies in London (median £4,721, upper quartile £78k).
02
Ownership and control
- Mrs Carlotta Thejll-Moller O'Sullivan
- owns 50–75% of shares
- holds 50–75% of voting rights
- can appoint or remove directors
- Mr Richard Daniel O'Sullivan
- owns 25–50% of shares
- holds 25–50% of voting rights
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents. Directors and secretaries: see the officers list at Companies House.
03
Key dates
- Incorporated
- 27 January 199333 yrs ago
- Next accounts due
- 31 May 2027in 219 days
- Confirmation statement due
- 10 February 2027in 109 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 85100
- Pre-primary education
- Accounts type
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
05
Financials
Not reported
Not reported
17
No changevs Aug 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 August 2025 | −£242k | — | £652k | £794k | — | — | 17 |
| 31 August 2024 | −£366k | — | £1.35m | £1.13m | — | — | 17 |
Current ratio0.82Current assets ÷ creditors within one year
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
06
Filing and accounts signals
- Net assets below zeroNet assets £-242,235 at 31 August 2025
- Net assets up 10% or more on the prior period+33.9% vs prior period
- Current assets below creditors within one yearCurrent ratio 0.82
- Incorporated five or more years agoIncorporated 27 January 1993
Neutral facts read from the register and filed accounts, each with its evidence. They are not a rating, a prediction or advice, and may be incomplete or out of date. How each signal is derived.
07
Timeline
- Next accounts duein 219 days
- Confirmation statement duein 109 days
- Accounts period endNet liabilities £242k · small accounts
- Accounts period endNet liabilities £366k · small accounts
- Incorporated
08
Similar companies in London
- NEW PARK NURSERY COMPANY LIMITEDLondon · inc. Feb 1993
- BEIS CHINUCH LEBONOS LIMITEDLondon · inc. Jun 1993
- PRE-SCHOOL LEARNING ALLIANCE PROPERTY TRUST CORPORATIONLondon · inc. Aug 1993
- PLAYDAYS DAY NURSERY & NURSERY SCHOOL LIMITEDinc. Nov 1993
- LANTERNS SCHOOLS LIMITEDLondon · inc. Nov 1993
- THE ISLEDON COMMUNITY NURSERY TRUSTIslington · inc. Nov 1993
All companies incorporated on 27 January 1993 · in Jan 1993.
09
Reminders for SINCLAIR HOUSE SCHOOL LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.