# CSA ENVIRONMENTAL LIMITED (15478613)

> CSA ENVIRONMENTAL LIMITED is an active private limited company (company number 15478613) incorporated on 10 February 2024, registered in Letchworth Garden City. Its registered activity is activities of other holding companies n.e.c. (SIC 64209). Latest small accounts cover the period ending 31 December 2025, showing net assets of £2.99m, with 6 employees on average. Net assets rose 215% on the prior period (£951k).

- Status: Active
- Incorporated: 2024-02-10
- Registered office: Letchworth Garden City, SG6 3TA
- SIC 64209: Activities of other holding companies n.e.c.
- Next accounts due: 2027-09-30
- Confirmation statement due: 2027-02-24
- Accounts type: TOTAL EXEMPTION FULL

By net assets it sits in the top quarter of 712 comparable companies in Hertfordshire (median £100, upper quartile £94k).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2025-12-31 | £2.99m | — | £259k | £65k | — | — | 6 |
| 2024-12-31 | £951k | — | £4,000 | £297k | — | — | 6 |

current ratio 4.01; size band micro.

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

- Net assets above zero: Net assets £2,994,483 at 31 December 2025
- Net assets up 10% or more on the prior period: +214.8% vs prior period
- Current assets at least 1.5× creditors within one year: Current ratio 4.01
- Incorporated two to five years ago: Incorporated 10 February 2024

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

## Persons with significant control

- Mr Aidan Christopher Warren Marsh — owns 50–75% of shares; holds 50–75% of voting rights; can appoint or remove directors, since 2024-03-11

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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/15478613
HTML: https://firmoscan.com/company/15478613-csa-environmental-limited