£4.70m
+7%vs Mar 2024Active03316572Private limited companyMiddlesex
TRENCHCO LIMITED
Significant control: William Francis Kelly (25–50%), Ronan Byrne (25–50%)
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
Watch this company
Get an email when Companies House records a change for Trenchco Limited: status, filings, accounts, officers or owners. Free.
Not live yet: alerts start by 15 December 2026. We store your email and this company number only, for these alerts. If alerts don’t launch, we tell you and delete your address. Privacy
Coming soon · product and service lists
What does Trenchco Limited 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.
One email, only about this. If we don’t launch within 60 days we’ll tell you. Privacy
01
Summary
TRENCHCO LIMITED is an active private limited company (company number 03316572) incorporated on 11 February 1997, registered in Middlesex. Its registered activity is construction of other civil engineering projects n.e.c. (SIC 42990). Latest medium accounts cover the period ending 31 March 2025, showing net assets of £4.70m and cash of £20k, with 7 employees on average. Turnover was £14.58m and profit for the year £381k. Net assets rose 7% on the prior period (£4.38m).
Peer position · net assets
By net assets it sits in the top quarter of 1,111 comparable companies in Greater London (median £8,090, upper quartile £49k).
02
Ownership and control
- Mr William Francis Kelly
- owns 25–50% of shares
- holds 25–50% of voting rights
- Mr Ronan Byrne
- 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
- 11 February 199729 yrs ago
- Next accounts due
- 31 December 2026in 66 days
- Confirmation statement due
- 25 February 2027in 122 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
- Medium
- Size band
- SmallCompanies Act thresholds
05
Financials
£20k
−54%vs Mar 2024£14.58m
−6%vs Mar 20247
−12%vs Mar 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 March 2025 | £4.70m | £20k | £6.14m | — | £14.58m | £381k | 7 |
| 31 March 2024 | £4.38m | £43k | £5.26m | — | £15.47m | £186k | 8 |
| 31 March 2023 | — | — | — | — | — | — | — |
Net margin2.6%Profit for the year ÷ turnover
Cash per employee£2,857Cash ÷ 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 £4,697,262 at 31 March 2025
- Three or more accounting periods on record3 periods on record
- Incorporated five or more years agoIncorporated 11 February 1997
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 122 days
- Next accounts duein 66 days
- Accounts period endNet assets £4.70m · medium accounts
- Accounts period endNet assets £4.38m · medium accounts
- Accounts period end
- Incorporated
08
Similar companies in Greater London
- SPRINGFIELD HOMES LIMITEDRuislip Manor · inc. Feb 1997
- KILLOUGHERY HOLDINGS LIMITEDDartford · inc. Jan 1997
- SPAFLOW LIMITEDMeopham · inc. Mar 1997
- EURO-CONTINENTAL CONSULTANTS LIMITEDEpsom · inc. Jan 1997
- LYNX ENGINEERING (KENT) LIMITEDGravesend · inc. Mar 1997
- UK & EUROPEAN CONSTRUCTION LTDMitcham · inc. Apr 1997
All companies incorporated on 11 February 1997 · in Feb 1997.
09
Reminders for TRENCHCO LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.