£156k
+22%vs Dec 2024Active08855629Private limited companyLondon
AED - AUTHORISING ENGINEER & DESIGN LIMITED
Significant control: John Joseph O'Neill (25–50%), Kay Debra O'Neill (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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: Other engineering activities (SIC 71129). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
AED - AUTHORISING ENGINEER & DESIGN LIMITED is an active private limited company (company number 08855629) incorporated on 22 January 2014, registered in London. Its registered activity is other engineering activities (SIC 71129). Latest micro accounts cover the period ending 31 December 2025, showing net assets of £156k, 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 rose 22% on the prior period (£128k).
Peer position · net assets
By net assets it sits in the top quarter of 1,655 comparable companies in London (median £4,206, upper quartile £48k).
02
Ownership and control
- Mr John Joseph O'Neill
- owns 25–50% of shares
- Mrs Kay Debra O'Neill
- owns 25–50% 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.
03
Key dates
- Incorporated
- 22 January 201412 yrs ago
- Next accounts due
- 30 September 2027in 341 days
- Confirmation statement due
- 5 February 2027in 104 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 71129
- Other engineering activities
- Accounts type
- Micro Entity
- Size band
- MicroCompanies Act thresholds
05
Financials
Not reported
Not disclosed
2
No changevs Dec 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 December 2025 | £156k | — | — | £47k | — | — | 2 |
| 31 December 2024 | £128k | — | — | £56k | — | — | 2 |
Current ratio4.37Current assets ÷ creditors within one year
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.
06
Filing and accounts signals
- Net assets above zeroNet assets £156,243 at 31 December 2025
- Net assets up 10% or more on the prior period+22.2% vs prior period
- Current assets at least 1.5× creditors within one yearCurrent ratio 4.37
- Incorporated five or more years agoIncorporated 22 January 2014
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 341 days
- Confirmation statement duein 104 days
- Accounts period endNet assets £156k · micro accounts
- Accounts period endNet assets £128k · micro accounts
- Incorporated
08
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- MOLYBDENUM LTDLondon · inc. Jan 2014
- TRANSPORTATION SOLUTIONS LTDLondon · inc. Jan 2014
- CHIGWELL ENGINEERING LTDLondon · inc. Jan 2014
- ISKUDO LIMITEDLondon · inc. Jan 2014
- PRIME GRADE ELECTRICAL SERVICES LIMITEDLondon · inc. Jan 2014
- ONE TO SCALE LTDLondon · inc. Jan 2014
All companies incorporated on 22 January 2014 · in Jan 2014.
09
Reminders for AED - AUTHORISING ENGINEER & DESIGN LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.