£612k
+46%vs Oct 2024Active13700716Private limited companyLondon
H&H MECHANICAL LTD
Significant control: Joyner & Mason Limited (25–50%), Gregory Horton (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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 H&H Mechanical 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 H&H Mechanical 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
H&H MECHANICAL LTD is an active private limited company (company number 13700716) incorporated on 25 October 2021, registered in London. Its registered activity is plumbing, heat and air-conditioning installation (SIC 43220). Latest small accounts cover the period ending 31 October 2025, showing net assets of £612k and cash of £557k, with 7 employees on average. Net assets rose 46% on the prior period (£421k).
Peer position · net assets
By net assets it sits in the top quarter of 2,146 comparable companies in London (median £2,932, upper quartile £20k).
02
Ownership and control
- Joyner & Mason Limited
- owns 25–50% of shares
- holds 25–50% of voting rights
- Gregory Horton
- owns 25–50% of shares
- holds 25–50% of voting rights
- Mr John O'Neill Hall
- 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
- 25 October 20214 yrs ago
- Next accounts due
- 31 July 2027in 279 days
- Confirmation statement due
- 8 November 2026in 14 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
£557k
+36%vs Oct 2024Not reported
7
No changevs Oct 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 October 2025 | £612k | £557k | £257k | £218k | — | — | 7 |
| 31 October 2024 | £421k | £410k | £137k | £149k | — | — | 7 |
Current ratio3.74Current assets ÷ creditors within one year
Cash per employee£80kCash ÷ 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 £612,287 at 31 October 2025
- Net assets up 10% or more on the prior period+45.6% vs prior period
- Current assets at least 1.5× creditors within one yearCurrent ratio 3.74
- Cash at bank of £50,000 or moreCash £557,120
- Incorporated two to five years agoIncorporated 25 October 2021
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
- Next accounts duein 279 days
- Confirmation statement duein 14 days
- Accounts period endNet assets £612k · small accounts
- Accounts period endNet assets £421k · small accounts
- Incorporated
08
Similar companies in London
- OPTIMAL TRANSFORMATION FIRM LTDLondon · inc. Oct 2021
- SE HEATING AND PLUMBING SERVICE LTDLondon · inc. Oct 2021
- FUTURE LIFE SUSTAINABILITY LIMITEDLondon · inc. Oct 2021
- ENTROPIC ECOLOGY INDOORS UK LTDLondon · inc. Oct 2021
- TESTA GAS SERVICES LTDLondon · inc. Oct 2021
- WEECARE HEATING SERVICES LTDLondon · inc. Oct 2021
All companies incorporated on 25 October 2021 · in Oct 2021.
09
Reminders for H&H MECHANICAL LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.