£1.88m
−20%vs Dec 2023Active00890628Private limited companyLondon
T. A. RONAN LTD
From public filings as at 31 Aug 2026; may contain errors or be out of date.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 T. A. Ronan Ltd sell?
Registered activity: Construction of other civil engineering projects n.e.c. (SIC 42990). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
T. A. RONAN LTD is an active private limited company (company number 00890628) incorporated on 27 October 1966, registered in London. Its registered activity is construction of other civil engineering projects n.e.c. (SIC 42990). Latest small accounts cover the period ending 31 December 2024, showing net assets of £1.88m and cash of £469k, with 50 employees on average. Net assets fell 20% on the prior period (£2.36m).
Peer position · net assets
By net assets it sits in the top quarter of 832 comparable companies in London (median £5,799, upper quartile £58k).
02
Ownership and control
No active person with significant control is registered.
- Mr John Michael O'Sullivan
- owns 25–50% of shares
- holds 25–50% of voting rights
- 4 Core Limited
- 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.
03
Key dates
- Incorporated
- 27 October 196659 yrs ago
- Next accounts due
- 30 September 202624 days overdue
- Confirmation statement due
- 10 November 2026in 17 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 42990
- Construction of other civil engineering projects n.e.c.
- Accounts type
- Small
- Size band
- SmallCompanies Act thresholds
05
Financials
£469k
−65%vs Dec 2023Not reported
50
+16%vs Dec 2023| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 December 2024 | £1.88m | £469k | — | — | — | £572k | 50 |
| 31 December 2023 | £2.36m | £1.34m | — | — | — | £809k | 43 |
| 1 January 2023 | — | — | — | — | — | — | — |
Cash per employee£9,381Cash ÷ average employees
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 above zeroNet assets £1,878,819 at 31 December 2024
- Cash at bank of £50,000 or moreCash £469,056
- Three or more accounting periods on record3 periods on record
- Incorporated five or more years agoIncorporated 27 October 1966
- Accounts past their due dateDue 30 September 2026
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
- Confirmation statement duein 17 days
- Next accounts due24 days overdue
- Accounts period endNet assets £1.88m · small accounts
- Accounts period endNet assets £2.36m · small accounts
- Accounts period end
- Incorporated
08
Similar companies in London
- HELIX SHIPPING & TECHNICAL SERVICES LIMITEDinc. Mar 1966
- B.& M.MCHUGH LIMITEDLondon · inc. Sept 1967
- J. MURPHY & SONS (NORTH AMERICA HOLDINGS) LIMITEDLondon · inc. Oct 1965
- DECORATING MASTERS LIMITEDLondon · inc. Jul 1968
- HENDERSON & TAYLOR PUBLIC WORKS LIMITEDLondon · inc. Mar 1964
- N. HILLMAN & SONS CONTRACTORS LIMITEDinc. Jan 1964
All companies incorporated on 27 October 1966 · in Oct 1966.
09
Reminders for T. A. RONAN LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.