£11k
−81%vs Sept 2024Active04871897Private limited companyGainsborough
JH SMITHSON & SON LIMITED
Significant control: Mark John Smithson (25–50%), Tracy Jayne Smithson (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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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What does Jh Smithson & Son 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.
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01
Summary
JH SMITHSON & SON LIMITED is an active private limited company (company number 04871897) incorporated on 19 August 2003, registered in Gainsborough. Its registered activity is plumbing, heat and air-conditioning installation (SIC 43220). Latest small accounts cover the period ending 30 September 2025, showing net assets of £11k and cash of £3,456, with 8 employees on average. Net assets fell 81% on the prior period (£61k).
Peer position · net assets
By net assets it sits in the upper half of 954 comparable companies in Sheffield (median £5,181, upper quartile £31k).
02
Ownership and control
- Mr Mark John Smithson
- owns 25–50% of shares
- holds 25–50% of voting rights
- Mrs Tracy Jayne Smithson
- owns 25–50% of shares
- holds 25–50% of voting rights
- Mr John Henry Smithson
- owns 25–50% of shares
- holds 25–50% of voting rights
- can appoint or remove directors
- has significant influence or control
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
- 19 August 200323 yrs ago
- Next accounts due
- 30 June 2027in 247 days
- Confirmation statement due
- 2 September 2027in 311 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
£3,456
+25%vs Sept 2024Not reported
8
+14%vs Sept 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 30 September 2025 | £11k | £3,456 | £74k | — | — | — | 8 |
| 30 September 2024 | £61k | £2,758 | £109k | — | — | — | 7 |
Cash per employee£432Cash ÷ 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 £11,471 at 30 September 2025
- Net assets down 25% or more on the prior period-81.1% vs prior period
- Incorporated five or more years agoIncorporated 19 August 2003
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 311 days
- Next accounts duein 247 days
- Accounts period endNet assets £11k · small accounts
- Accounts period endNet assets £61k · small accounts
- Incorporated
08
Similar companies in Sheffield
- L.H. PLUMBING SERVICES LTDSheffield · inc. Aug 2003
- MARRIOTT PLUMBING & HEATING LIMITEDSheffield · inc. Aug 2003
- AQUAFORCE PLUMBING SOLUTIONS LTDBarnsley · inc. Aug 2003
- KES PLUMBING & HEATING LIMITEDChesterfield · inc. Jul 2003
- MARK WOOD HEATING LTDGainsborough · inc. Jul 2003
- PORTESS PLUMBING & HEATING LIMITEDNorth East Lincolnshire · inc. Jul 2003
All companies incorporated on 19 August 2003 · in Aug 2003.
09
Reminders for JH SMITHSON & SON LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.