- Companies
- Mechanics and garages
- Birmingham
- S1 Motortech Ltd
S1 Motortech Ltd
- Company number
- 12880191
- Incorporated
- 15 Sep 20206 years trading
- Registered office
- 318 Witton Road, Birmingham, B6 6NZ
- Nature of business
- Maintenance and repair of motor vehicles
S1 Motortech Ltd is a 6-year-old private limited company registered in Birmingham, company number 12880191, one of 1,013 vehicle repair garages in Birmingham. 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 unchanged on the year before, at £100.
- Net assets rose in 0 of 3 year-on-year comparisons on record.
- 3 employees on average, up from 2 the year before.
- Balance sheets on record for 4 years, 2021 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2024 | £100 | £100 | 3 | ||
| 31 Aug 2023 | £100 | £100 | 2 | ||
| 31 Aug 2022 | £100 | £100 | 2 | ||
| 31 Aug 2021 | £100 | £100 | 2 |
Where S1 Motortech Ltd is registered
The registered office is in Birmingham (B6), in the Birmingham local authority area, England. Show B6 6NZ on a map.
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- Aston Windows & Doors LtdGlaziers
- Aj’S Signature Detailing LtdCleaning companies
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What happens if S1 Motortech 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
- 12880191
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 September 2020 (6 years ago)
- Registered office
- 318 Witton Road, Birmingham, B6 6NZ
- Nature of business
- Maintenance and repair of motor vehicles (SIC 45200)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2024
- Last confirmation statement
- 14 September 2025
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 Birmingham
Other active vehicle repair garages registered in Birmingham.
- Sa Wheel Alignment Limited2025
- Saad Auto Mechanics Ltd2018
- Safe and Sound Your Car Limited2013
- Safe Harbour Alloys Ltd2024
- Safe Mot's Limited2015
- Safe Secure Vehicles Limited2023
- Sail Transport Ltd2013
- Salford MOT and Service Centre Ltd2025
All vehicle repair garages in Birmingham · All trades in Birmingham · Mechanics and garages across the UK
Frequently asked questions
When are S1 Motortech Ltd's accounts due?
S1 Motortech Ltd's accounts were due at Companies House on 31 August 2026 and the register shows them as overdue.
When is S1 Motortech 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 S1 Motortech Ltd still trading?
S1 Motortech Ltd is listed as active on the Companies House register (checked 13 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 S1 Motortech Ltd do?
S1 Motortech Ltd is registered under Maintenance and repair of motor vehicles (SIC 45200).
How old is S1 Motortech Ltd?
S1 Motortech Ltd was incorporated on 15 September 2020, 6 years ago.
What is the penalty if S1 Motortech 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 S1 Motortech Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.