Annual accounts
Full accounts
30/04/2027Filing deadline
- Next accounts made up to
- 31/07/2026
- Last accounts made up to
- 31/07/2025
Reference data exactly as held at Companies House.
The 4 most recent documents filed at Companies House.
Director's details changed for Mr Toby Robert Maddox on 2026-07-10
Full accounts made up to 2025-07-31
Confirmation statement made on 2025-06-29 with no updates
Accounts for a medium company made up to 2024-07-31
What Pre-Score will tell you

The two filings Companies House requires every year, and where each one stands against its deadline today.
Full accounts
30/04/2027Filing deadline
Confirms the registry record is up to date
13/07/2027Filing deadline
The latest figures S M S ENVIRONMENTAL LIMITED filed. Okredo holds filed accounts data for 2021–2024; the year-by-year record is on the financials page.
Net Assets
2023: £2.47M
Total Assets
2023: £4.72M
Cash in Bank
2023: £1.54M
Total Liabilities
2023: £2.07M
Employees
2023: 187
Of the 4 measures with an earlier filing to compare against, 3 rose and 1 fell. Total assets moved furthest, up 21.44% on 2023. See the full financial analysis for S M S ENVIRONMENTAL LIMITED.
The full financial record
Four ways through S M S ENVIRONMENTAL LIMITED's filed accounts — the year-by-year numbers, the compound rates and the ratios behind them.
Headcount as reported to Companies House for 2021–2024.
| Year | Employees | Change |
|---|---|---|
| 2024 | 211 | +24 |
| 2023 | 187 | +13 |
| 2022 | 174 | +25 |
| 2021 | 149 | – |
Reported employee count increased from 149 in 2021 to 211 in 2024. See how headcount moved alongside the reported financials.
Credit report
It is a professional assessment of the company 's performance, revealing company's potential and risks, showing it's past experiences and revealing future prospects.
Directors, secretaries and other appointed officers, with the period each has served.
| Person | Role | Period | Connected companies |
|---|---|---|---|
| Secretary | 29/06/2001–29/05/2002 | 1 | |
| Director | 29/06/2001–29/05/2002 | 1 | |
| Secretary | 29/05/2002–07/09/2009 | 0 | |
| Director | 08/07/2020–Present | 0 | |
| Director | 18/09/2017–Present | 0 | |
| Director | 07/09/2009–Present | 4 | |
| Director | 23/11/2012–15/02/2019 | 2 | |
| Director | 29/06/2001–29/05/2002 | 2 | |
| Director | 29/06/2001–29/05/2002 | 1 | |
| Director | 01/11/2021–Present | 0 | |
| Director | 02/01/2014–Present | 0 | |
| Director | 29/05/2002–Present | 5 | |
| Director | 25/07/2001–Present | 6 |
Individuals or entities with significant control over the company, as declared to Companies House.
| Person | Period | Connected companies |
|---|---|---|
| 29/06/2017–01/03/2021 | 5 | |
| 29/06/2017–01/03/2021 | 6 |
Every document on the Companies House record, newest first.
Director's details changed for Mr Toby Robert Maddox on 2026-07-10
Full accounts made up to 2025-07-31
Confirmation statement made on 2025-06-29 with no updates
Accounts for a medium company made up to 2024-07-31
Registration of charge 042433790004, created on 2025-01-24
Confirmation statement made on 2024-06-29 with no updates
Total exemption full accounts made up to 2023-07-31
Confirmation statement made on 2023-06-29 with updates
Total exemption full accounts made up to 2022-07-31
See when the next accounts and confirmation statement are due
1 UK company is similar to S M S ENVIRONMENTAL LIMITED, sharing the same company status (Active), the same industry sector and activity group (Water collection treatment and supply) and a comparable number of employees. It is shown below to help you compare competitors and industry peers.
Suite 1 Concept House, 23 Billet Lane, Hornchurch, Essex RM11 1XP
A short description of the company, written from its Companies House record.
S M S ENVIRONMENTAL LIMITED is a private limited company registered in the United Kingdom, based in Quad One Becquerel Avenue, Harwell Campus, Didcot, Oxfordshire OX11 0RA. Companies House classifies its business as Water collection treatment and supply. It has been on the register for 25 years 3 months.
The register currently records it as active. Its 2024 accounts report net assets of £2.62M and 211 employees.
Answered from this company's own registry record and filed figures.
Companies House records S M S ENVIRONMENTAL LIMITED under one registered business activity: Water collection treatment and supply (36.00 - SIC 2007).
S M S ENVIRONMENTAL LIMITED is recorded as active on the Companies House register, and has been on it since 29/06/2001.
The most recent accounts Okredo holds cover 2024 and report net assets of £2.62M, total assets of £5.73M, cash in bank of £1.03M and total liabilities of £2.91M.
The most recent document on the record is dated 10/07/2026: Director's details changed for Mr Toby Robert Maddox on 2026-07-10, 2 months ago.
On the current registry record, accounts are due by 30/04/2027 and the next confirmation statement is due by 13/07/2027.
Companies House lists 13 officers (7 currently in post) and 2 people with significant control (0 current).