# CASTLE ELECTROMAGNETIC COMPATIBILITY LTD (12442464)

> CASTLE ELECTROMAGNETIC COMPATIBILITY LTD is an active private limited company (company number 12442464) incorporated on 4 February 2020, registered in Nottingham. Its registered activity is construction of railways and underground railways (SIC 42120). Latest micro accounts cover the period ending 28 February 2025, showing net assets of £73k, with 1 employee on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets rose 3450% on the prior period (£2,057).

- Status: Active
- Incorporated: 2020-02-04
- Registered office: Nottingham, NG7 1DT
- SIC 42120: Construction of railways and underground railways
- Next accounts due: 2026-11-28
- Confirmation statement due: 2027-02-18
- Accounts type: MICRO ENTITY

By net assets it sits in the top quarter of 1,835 comparable companies in the UK (median £3,350, upper quartile £15k).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2025-02-28 | £73k | — | — | £88k | — | — | 1 |
| 2024-02-29 | £2,057 | — | — | £36k | — | — | 1 |

current ratio 1.8; size band micro.

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

- Net assets above zero: Net assets £73,015 at 28 February 2025
- Net assets up 10% or more on the prior period: +3449.6% vs prior period
- Current assets at least 1.5× creditors within one year: Current ratio 1.8
- Incorporated five or more years ago: Incorporated 4 February 2020

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

## Persons with significant control

- Mr Simon James Price — owns 75–100% of shares; holds 75–100% of voting rights; can appoint or remove directors, since 2020-02-04

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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/12442464
HTML: https://firmoscan.com/company/12442464-castle-electromagnetic-compatibility-ltd