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- JSM Auto Limited
Company profile · Motor traders
JSM Auto Limited
JSM Auto Limited is a 2-year-old private limited company registered in Windsor, company number 15688652, one of 53 motor trade companies in Windsor. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 30 April 2025, as filed at Companies House.
Where JSM Auto Limited is registered
The registered office is in Windsor (SL4), in the Windsor and Maidenhead local authority area, South East. Show SL4 5BD on a map.
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- Time Watch Repair Watford LtdRepair services
- Mobile Tyre Services 24/7 LtdMechanics and garages
- Hullscrub Thames LtdCleaning companies
- Black Rose Automotive Group LtdMotor traders
- Maldec Hatchet Farm LimitedProperty developers
- Pinehill Homes Partnerships LtdProperty developers
- Heatsense Renewables LtdElectricians
What happens if JSM Auto Limited 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 31 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 15688652
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 April 2024 (2 years ago)
- Registered office
- 142B Dedworth Road, Windsor, SL4 5BD
- Nature of business
- Sale of used cars and light motor vehicles (SIC 45112)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 27 April 2026
Filing notes for motor trade companies
Motor trade companies hold vehicle stock, and how that stock is valued at the year end moves the profit directly. Some use the VAT margin scheme.
Similar companies in Windsor
Other active motor trade companies registered in Windsor.
- Lena-Car Ltd2018
- Maiden Autoparts Ltd2025
- Majestic Car Sales Ltd2025
- McCloskey Services Limited2012
- Oakley Green Cars Limited2025
- One 2 One Autos Ltd2019
- Qasr Al Madina Used Cars UK Ltd2021
- Rowland Hawkes Motorcraft Centre Limited2017
All motor trade companies in Windsor · All trades in Windsor · Motor traders across the UK
Frequently asked questions
When are JSM Auto Limited's accounts due?
JSM Auto Limited's next accounts are due at Companies House by 31 January 2027 (in 111 days), covering the period to 30 April 2026.
When is JSM Auto Limited's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is JSM Auto Limited still trading?
JSM Auto Limited 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 JSM Auto Limited do?
JSM Auto Limited is registered under Sale of used cars and light motor vehicles (SIC 45112).
How old is JSM Auto Limited?
JSM Auto Limited was incorporated on 28 April 2024, 2 years ago.
What is the penalty if JSM Auto Limited 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 JSM Auto Limited 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.