WILLIAMAIR LIMITED
Significant control: William Julian Cortazzi (75–100%)
From public filings as at 31 Aug 2026; may contain errors or be out of date.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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What does Williamair Limited sell?
Registered activity: Non-scheduled passenger air transport (SIC 51102). We’re building product and service lists for UK companies. Get this one when it’s ready.
Summary
WILLIAMAIR LIMITED is an active private limited company (company number 03809850) incorporated on 19 July 1999, registered in London. Its registered activity is non-scheduled passenger air transport (SIC 51102). Latest micro accounts cover the period ending 31 March 2025, showing net assets of −£94k, with 2 employees on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets were unchanged on the prior period.
By net assets it sits in the bottom quarter of 161 comparable companies in London (median £1,483, upper quartile £73k).
Ownership and control
- Mr William Julian Cortazzi
- owns 75–100% of shares
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.
Key dates
- Incorporated
- 19 July 199927 yrs ago
- Next accounts due
- 31 December 2026in 63 days
- Confirmation statement due
- 2 August 2027in 277 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
Activity
- SIC 51102
- Non-scheduled passenger air transport
- SIC 68100
- Buying and selling of own real estate
- Accounts type
- Micro Entity
- Size band
- MicroCompanies Act thresholds
Financials
| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 March 2025 | −£94k | — | — | £1.07m | — | — | 2 |
| 31 March 2024 | −£94k | — | — | £1.07m | — | — | 2 |
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing; micro-entity accounts contain no profit and loss account.
Filing and accounts signals
- Net assets below zeroNet assets £-94,359 at 31 March 2025
- Current assets below creditors within one yearCurrent ratio 0.91
- Incorporated five or more years agoIncorporated 19 July 1999
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.
Timeline
- Confirmation statement duein 277 days
- Next accounts duein 63 days
- Accounts period endNet liabilities £94k · micro accounts
- Accounts period endNet liabilities £94k · micro accounts
- Incorporated
Similar companies in London
- LONDON HELIPORT AVIATION LIMITEDLondon · inc. Jul 1999
- BABCOCK MISSION CRITICAL SERVICES ONSHORE LIMITEDLondon · inc. May 1999
- KARO CARE SERVICES LIMITEDinc. Dec 1998
- UNION D. ENERGY SYSTEMS DEVELOPMENT CORPORATION LIMITEDLondon · inc. Oct 1998
- ROLLRIGHT AVIATION LIMITEDLondon · inc. Sept 2000
- MERLIN AVIATION LIMITEDLondon · inc. Apr 1998
All companies incorporated on 19 July 1999 · in Jul 1999.
Reminders for WILLIAMAIR LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.