£2,906
−15%vs Jun 2024ActiveNI662288Private limited companyColeraine
CAUSEWAY LEAK DETECTION LTD
Significant control: Samuel Mcmullan (75–100%)
From public filings as at 31 Aug 2026; may contain errors or be out of date.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 Causeway Leak Detection Ltd: 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 Causeway Leak Detection Ltd sell?
Registered activity: Plumbing, heat and air-conditioning installation (SIC 43220). 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
CAUSEWAY LEAK DETECTION LTD is an active private limited company (company number NI662288) incorporated on 17 June 2019, registered in Coleraine. Its registered activity is plumbing, heat and air-conditioning installation (SIC 43220). Latest small accounts cover the period ending 30 June 2025, showing net assets of £2,906 and cash of £10k, with 1 employee on average. Net assets fell 15% on the prior period (£3,409).
Peer position · net assets
By net assets it sits in the lower half of 429 comparable companies in Belfast (median £18k, upper quartile £81k).
02
Ownership and control
- Samuel Mcmullan
- owns 75–100% of shares
- holds 75–100% 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
- 17 June 20197 yrs ago
- Next accounts due
- 30 March 2027in 154 days
- Confirmation statement due
- 1 July 2027in 247 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 43220
- Plumbing, heat and air-conditioning installation
- Accounts type
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
05
Financials
£10k
+56%vs Jun 2024Not reported
1
No changevs Jun 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 30 June 2025 | £2,906 | £10k | £1,576 | £12k | — | — | 1 |
| 30 June 2024 | £3,409 | £6,590 | £4,040 | £11k | — | — | 1 |
Current ratio1.02Current assets ÷ creditors within one year
Cash per employee£10kCash ÷ 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 £2,906 at 30 June 2025
- Incorporated five or more years agoIncorporated 17 June 2019
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 247 days
- Next accounts duein 154 days
- Accounts period endNet assets £2,906 · small accounts
- Accounts period endNet assets £3,409 · small accounts
- Incorporated
08
Similar companies in Belfast
- E.LAURENSON PLUMBING & HEATING LTDBelfast · inc. Jun 2019
- CONNECT PLUMBERS LIMITEDBelfast · inc. Jun 2019
- BJ MCGRATH MECHANICAL LTDDungannon · inc. May 2019
- THE GAS MAN (N.I.) LTDLarne · inc. May 2019
- INDUSTRY PIPELINES LTDMagherafelt · inc. May 2019
- M GAS (N.I.) LIMITEDCraigavon · inc. Jul 2019
All companies incorporated on 17 June 2019 · in Jun 2019.
09
Reminders for CAUSEWAY LEAK DETECTION LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.