# KARL MASTERSON LTD (05589113)

> KARL MASTERSON LTD is an active private limited company (company number 05589113) incorporated on 11 October 2005. 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 £10k and cash of £5, with 2 employees on average. Net assets rose 833% on the prior period (£1,101).

- Status: Active
- Incorporated: 2005-10-11
- Registered office: MK40 2NR
- SIC 43220: Plumbing, heat and air-conditioning installation
- Next accounts due: 2027-07-31
- Confirmation statement due: 2027-10-25
- Accounts type: TOTAL EXEMPTION FULL

By net assets it sits in the upper half of 353 comparable companies in Milton Keynes (median £3,269, upper quartile £22k).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2025-10-31 | £10k | £5 | £35k | £28k | — | — | 2 |
| 2024-10-31 | £1,101 | £5 | £13k | £15k | — | — | 2 |

current ratio 1.31; size band micro.

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

- Net assets above zero: Net assets £10,276 at 31 October 2025
- Net assets up 10% or more on the prior period: +833.3% vs prior period
- Incorporated five or more years ago: Incorporated 11 October 2005

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

## Persons with significant control

- Mr Karl Derek Masterson — owns 50–75% of shares; holds 50–75% of voting rights; can appoint or remove directors, since 2016-04-06

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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/05589113
HTML: https://firmoscan.com/company/05589113-karl-masterson-ltd