KB MECHANICAL LTD
Company number 12957378 · Active · Doncaster DN5 0BE
KB MECHANICAL LTD is an active private limited company (company number 12957378) incorporated on 16 October 2020, registered in Doncaster. Its registered activity is plumbing, heat and air-conditioning installation (SIC 43220). Latest micro accounts cover the period ending 30 November 2025, showing net assets of £40k, with 4 employees on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets fell 39% on the prior period (£65k).
By net assets it sits in the top quarter of 954 comparable companies in Sheffield (median £5,181, upper quartile £31k).
Key dates
- Incorporated
- 16 October 2020
- Next accounts due
- 30 August 2027 — in 312 days
- Confirmation statement due
- 30 October 2026 — in 8 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
Activity
- SIC 43220
- Plumbing, heat and air-conditioning installation
- Accounts type
- Micro Entity
- Size band
- Micro (Companies Act thresholds)
Financials — 2 periods on record, latest ending 30 November 2025
| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 30 November 2025 | £40k | — | — | — | — | — | 4 |
| 30 November 2024 | £65k | — | — | — | — | — | 4 |
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing; micro-entity accounts contain no profit and loss account.
Firmoscan score: 60/100 (grade C)
- +10 Positive net assets — Net assets £39,907 at 2025-11-30
- -8 Net assets falling — -39.0% vs prior period
- +8 Established — Incorporated 2020-10-16 (6 years)
A transparent, rules-based score from filed data only: every point lists its evidence. It is not a credit rating or advice.
Ownership and control
- Mr Dean Knowles — owns 25–50% of shares; holds 25–50% of voting rights · since 16 October 2020
- Mr John Peter Blackburn — owns 25–50% of shares; holds 25–50% of voting rights · since 16 October 2020
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents.
Similar companies in Sheffield
Same activity (plumbing, heat and air-conditioning installation), closest in incorporation date.
- S.G FIRE PROTECTION LTD — Doncaster, inc. Oct 2020
- HEAT PUMP ENERGY LTD — Doncaster, inc. Oct 2020
- SPRINT RENEWABLES LIMITED — Barnsley, inc. Oct 2020
- A GREENER FOOTPRINT LTD — Barnsley, South Yorkshire, inc. Oct 2020
- BOILER-TECH INSTALLATIONS LIMITED — Grimsby, inc. Oct 2020
- RIVERSIDE PLUMBING LTD — Barton Upon Humber, inc. Oct 2020
All companies incorporated on 16 October 2020 · in Oct 2020.
Reminders for KB MECHANICAL LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.