- Companies
- Mechanics and garages
- Sheffield
- STM Automotive Ltd
STM Automotive Ltd
- Company number
- 06811997
- Incorporated
- 6 Feb 200917 years trading
- Registered office
- Parkwood Road, Neepsend, Sheffield, S3 8AG
- Nature of business
- Maintenance and repair of motor vehicles
STM Automotive Ltd is a 17-year-old private limited company registered in Sheffield, company number 06811997, one of 383 vehicle repair garages in Sheffield. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 2027.
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 £17K (+248.1%) on the year before, to £24K.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £400 against £129K owed within a year: 0.0 times cover.
- 4 employees on average, up from 3 the year before.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2025 | £24K | £400 | £129K | 4 | |
| 28 Feb 2024 | £6,757 | £1,069 | £129K | 3 | |
| 28 Feb 2023 | £11K | £22K | £155K | 4 | |
| 28 Feb 2022 | £32K | £155K | 6 | ||
| 28 Feb 2021 | £44K | £197K | 4 | ||
| 28 Feb 2020 | £110K | £253K | 3 | ||
| 28 Feb 2019 | £144K | £313K | |||
| 28 Feb 2018 | £127K | £0 | £300K | ||
| 28 Feb 2017 | -£91K | £24K | £302K | ||
| 28 Feb 2016 | -£114K | £13K | £13K | £315K |
Where STM Automotive Ltd is registered
The registered office is in Sheffield (S3), in the Sheffield local authority area, Yorkshire and The Humber. Show S3 8AG on a map.
Other trade companies in S3
- Therightspec LtdMotor traders
- BS Krystal Clean LtdCleaning companies
- M2 Car Wash Ltd LtdMechanics and garages
- Clear Code Diagnostics LtdMotor traders
- Prospark Cleaning Services LtdCleaning companies
- Damlr Fire Compartment LtdBuilders
- Ece Signature Detailing LtdMotor traders
- Three Pillars Projects Ltd LtdBuilders
What happens if STM Automotive Ltd files late
Companies House charges an automatic penalty the day after the deadline, and it rises the longer the accounts are late. These are the dates for this company's accounts due on 30 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 2028 | 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
- 06811997
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 February 2009 (17 years ago)
- Registered office
- Parkwood Road, Neepsend, Sheffield, S3 8AG
- Nature of business
- Maintenance and repair of motor vehicles (SIC 45200)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 6 March 2026
Filing notes for vehicle repair garages
Garages hold parts stock and often own diagnostic equipment and ramps, which qualify for capital allowances.
Similar companies in Sheffield
Other active vehicle repair garages registered in Sheffield.
- Stoke Space Limited2026
- Sumner Contracting Ltd2018
- Super Car Service Centre Limited2025
- Supreme Body Work Ltd2020
- SW Motors and Son Ltd2022
- Swift Fit Autos Ltd2025
- Swift Motor Solution Limited2020
- Synergy Automotive Engineering Ltd2026
All vehicle repair garages in Sheffield · All trades in Sheffield · Mechanics and garages across the UK
Frequently asked questions
When are STM Automotive Ltd's accounts due?
STM Automotive Ltd's next accounts are due at Companies House by 30 November 2026 (in 48 days), covering the period to 28 February 2026.
When is STM Automotive Ltd's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is STM Automotive Ltd still trading?
STM Automotive Ltd is listed as active on the Companies House register as of 1 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 Automotive Ltd do?
STM Automotive Ltd is registered under Maintenance and repair of motor vehicles (SIC 45200).
How old is STM Automotive Ltd?
STM Automotive Ltd was incorporated on 6 February 2009, 17 years ago.
What is the penalty if STM Automotive 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 Automotive Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 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.