# DARWIN JOHNSTONE PLUMBING AND HEATING LTD (SC383714)

> DARWIN JOHNSTONE PLUMBING AND HEATING LTD is an active private limited company (company number SC383714) incorporated on 16 August 2010, registered in Ayr. Its registered activity is plumbing, heat and air-conditioning installation (SIC 43220). Latest small accounts cover the period ending 31 December 2025, showing net assets of £46k and cash of £38k, with 11 employees on average. Net assets rose 42% on the prior period (£33k). Across the last 3 periods on record the net-asset trend is rising.

- Status: Active
- Incorporated: 2010-08-16
- Registered office: Ayr, KA8 8BQ
- SIC 43220: Plumbing, heat and air-conditioning installation
- Next accounts due: 2027-09-30
- Confirmation statement due: 2027-08-30
- Accounts type: TOTAL EXEMPTION FULL

By net assets it sits in the top quarter of 6,191 comparable companies in Other (median £5,839, upper quartile £35k).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2025-12-31 | £46k | £38k | £60k | £77k | — | — | 11 |
| 2024-12-31 | £33k | £42k | £78k | £109k | — | — | 11 |
| 2023-12-31 | −£15k | £11k | £85k | £117k | — | — | 11 |

current ratio 1.47; net assets trend rising; size band micro.

## Filing and accounts signals (facts, not a rating)

- Net assets above zero: Net assets £46,299 at 31 December 2025
- Net assets up 10% or more on the prior period: +42.0% vs prior period
- Three or more accounting periods on record: 3 periods on record
- Incorporated five or more years ago: Incorporated 16 August 2010

How each signal is derived: https://firmoscan.com/methodology

## Persons with significant control

- Mr Darwin Johnstone — owns 75–100% of shares; holds 75–100% of voting rights; can appoint or remove directors, since 2016-04-07

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Source: Companies House register snapshot 2026-08-31, Open Government Licence v3.0. Information may have changed since that date and is not advice or a credit reference; check the official record before relying on it. Official record: https://find-and-update.company-information.service.gov.uk/company/SC383714
HTML: https://firmoscan.com/company/SC383714-darwin-johnstone-plumbing-and-heating-ltd