- Companies
- Cleaning companies
- London
- STM Cleaning Ltd
STM Cleaning Ltd
- Company number
- 07378625
- Incorporated
- 16 Sep 201016 years trading
- Registered office
- Solar House 1ST Floor, Romford Road, London, E15 4LJ
- Nature of business
- General cleaning of buildings
STM Cleaning Ltd is a 16-year-old private limited company registered in London, company number 07378625, one of 5,627 cleaning companies in London. Companies House shows its accounts as overdue: they were due on 31 August 2026.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets up £264K (+93.1%) on the year before, to -£20K.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £180K against £199K owed within a year: 0.9 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 10 years, 2015 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2024 | -£20K | £3,469 | £180K | £199K | 1 |
| 31 Jan 2024 | -£283K | £354K | £637K | 1 | |
| 31 Jan 2023 | -£96K | £948K | £1M | 1 | |
| 31 Jan 2022 | £153K | £334K | £176K | 1 | |
| 31 Jan 2021 | £199K | £511K | 241 | ||
| 31 Jan 2020 | £182K | £588K | 245 | ||
| 30 Sep 2018 | £174K | £5,379 | £654K | £527K | |
| 30 Sep 2017 | £133K | £97K | £559K | £464K | |
| 30 Sep 2016 | £171K | £340K | £595K | £453K | |
| 30 Sep 2015 | £173K | £264K | £423K | £279K |
Where STM Cleaning Ltd is registered
The registered office is in London (E15), in the Newham local authority area, London. Show E15 4LJ on a map.
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What happens if STM Cleaning Ltd files late
If the accounts reach Companies House today, the late filing penalty is £375 (£750 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2026 to 30 Sep 2026 | £150 |
| 1 to 3 months late | 1 Oct 2026 to 30 Nov 2026 | £375 |
| 3 to 6 months late | 1 Dec 2026 to 28 Feb 2027 | £750 |
| More than 6 months late | From 1 Mar 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2026 | £200 |
| 3 months late | 28 Feb 2027 | another £200 |
| 6 months late | 30 May 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 2027 | another 10% of any unpaid tax |
For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.
Company details
As held on the Companies House register.
- Company number
- 07378625
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 September 2010 (16 years ago)
- Registered office
- Solar House 1ST Floor, Romford Road, London, E15 4LJ
- Nature of business
- General cleaning of buildings (SIC 81210)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 August 2024
- Last confirmation statement
- 16 March 2026
- Charges (mortgages)
- 3 outstanding of 4 registered
- Previous names
- Viper Cleaning Services Ltd (until 1 Oct 2015)
Filing notes for cleaning companies
Cleaning companies are often staff-heavy, so wages, pension contributions and the employment allowance all show up in the accounts.
Similar companies in London
Other active cleaning companies registered in London.
- Stone Floor Polishing Limited2010
- Stone Guru Ltd2015
- Stone Shine Limited2016
- Stonecorp Assets Limited2025
- Stonecrop Management Limited2025
- Stonegates LS Ltd2026
- Stormcore Ltd2026
- STR8Updetailing Ltd2026
All cleaning companies in London · All trades in London · Cleaning companies across the UK
Frequently asked questions
When are STM Cleaning Ltd's accounts due?
STM Cleaning Ltd's accounts were due at Companies House on 31 August 2026 and the register shows them as overdue.
When is STM Cleaning Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 31 August 2025, due by 31 August 2026, and one for the period to 30 November 2025, due by 30 November 2026. Corporation tax is payable 9 months and 1 day after the end of each.
Is STM Cleaning Ltd still trading?
STM Cleaning Ltd is listed as active on the Companies House register (checked 12 Oct 2026). Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.
What does STM Cleaning Ltd do?
STM Cleaning Ltd is registered under General cleaning of buildings (SIC 81210).
How old is STM Cleaning Ltd?
STM Cleaning Ltd was incorporated on 16 September 2010, 16 years ago.
What is the penalty if STM Cleaning Ltd files its accounts late?
Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.
Official records
View STM Cleaning Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.