# CASTLE MECHANICAL SERVICES LTD (10339198)

> CASTLE MECHANICAL SERVICES LTD is an active private limited company (company number 10339198) incorporated on 22 August 2016, registered in Caerphilly. Its registered activity is plumbing, heat and air-conditioning installation (SIC 43220). Latest micro accounts cover the period ending 31 March 2025, showing net assets of −£7,377, with 0 employees on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets fell 80% on the prior period (−£4,102).

- Status: Active
- Incorporated: 2016-08-22
- Registered office: Caerphilly, CF83 1PG
- SIC 43220: Plumbing, heat and air-conditioning installation
- Next accounts due: 2026-12-31
- Confirmation statement due: 2027-09-05
- Accounts type: MICRO ENTITY

By net assets it sits in the bottom quarter of 510 comparable companies in Cardiff (median £3,182, upper quartile £28k).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2025-03-31 | −£7,377 | — | — | — | — | — | 0 |
| 2024-03-31 | −£4,102 | — | — | — | — | — | 0 |

size band micro.

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

- Net assets below zero: Net assets £-7,377 at 31 March 2025
- Net assets down 25% or more on the prior period: -79.8% vs prior period
- Incorporated five or more years ago: Incorporated 22 August 2016

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

## Persons with significant control

- Mrs Kay Andrea Richards — owns 75–100% of shares; holds 75–100% of voting rights; can appoint or remove directors; has significant influence or control, since 2016-08-22

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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/10339198
HTML: https://firmoscan.com/company/10339198-castle-mechanical-services-ltd