£14k
−65%vs Mar 2024ActiveSC496741Private limited companyInverness
JOHN WILLIAMSON PLUMBING & HEATING LIMITED
Significant control: William Alexander Macmillan (50–75%), Keir Alexander Beaton (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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 John Williamson Plumbing & Heating 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 John Williamson Plumbing & Heating Limited 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
JOHN WILLIAMSON PLUMBING & HEATING LIMITED is an active private limited company (company number SC496741) incorporated on 4 February 2015, registered in Inverness. Its registered activity is plumbing, heat and air-conditioning installation (SIC 43220). Latest small accounts cover the period ending 31 March 2025, showing net assets of £14k and cash of £40k, with 10 employees on average. Net assets fell 65% on the prior period (£41k).
Peer position · net assets
By net assets it sits in the upper half of 6,191 comparable companies in Other (median £5,839, upper quartile £35k).
02
Ownership and control
- Mr William Alexander Macmillan
- owns 50–75% of shares
- holds 50–75% of voting rights
- Mr Keir Alexander Beaton
- 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
- 4 February 201511 yrs ago
- Next accounts due
- 31 December 2026in 66 days
- Confirmation statement due
- 18 February 2027in 115 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
£40k
+106%vs Mar 2024Not reported
10
+11%vs Mar 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 March 2025 | £14k | £40k | £104k | — | — | — | 10 |
| 31 March 2024 | £41k | £19k | £161k | — | — | — | 9 |
Cash per employee£3,987Cash ÷ 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 £14,013 at 31 March 2025
- Net assets down 25% or more on the prior period-65.4% vs prior period
- Incorporated five or more years agoIncorporated 4 February 2015
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 115 days
- Next accounts duein 66 days
- Accounts period endNet assets £14k · small accounts
- Accounts period endNet assets £41k · small accounts
- Incorporated
08
Similar companies in the UK
- N W BIOMASS LTDSt. Asaph · inc. Feb 2015
- CONTINGENT SERVICES UK LIMITEDGloucester · inc. Feb 2015
- EVERYDAY PLUMBING SERVICES LTDAyr · inc. Feb 2015
- HEAT TECH SERVICES LIMITEDAmersham · inc. Feb 2015
- COLIN PASCOE PLUMBING & HEATING LTDTruro · inc. Feb 2015
- SPECK PLUMBING AND HEATING LTDSelby · inc. Feb 2015
All companies incorporated on 4 February 2015 · in Feb 2015.
09
Reminders for JOHN WILLIAMSON PLUMBING & HEATING LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.