- Companies
- Mechanics and garages
- Merthyr Tydfil
- J&J Garage Service's Ltd
J&J Garage Service's Ltd
- Company number
- 15362515
- Incorporated
- 19 Dec 20232 years trading
- Registered office
- Unit A3 Pant Industrial Estate, Dowlais, Merthyr Tydfil, CF48 2SR
- Nature of business
- Maintenance and repair of motor vehicles; Other engineering activities
J&J Garage Service's Ltd is a 2-year-old private limited company registered in Merthyr Tydfil, company number 15362515, one of 24 vehicle repair garages in Merthyr Tydfil. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 down £90 (-14.4%) on the year before, to -£714.
- Current assets of £148 against £1,330 owed within a year: 0.1 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | -£714 | £147 | £148 | £1,330 | 1 |
| 31 Dec 2024 | -£624 | £10 | £11 | £635 | 1 |
Where J&J Garage Service's Ltd is registered
The registered office is in Merthyr Tydfil (CF48), in the Merthyr Tydfil local authority area, Wales. Show CF48 2SR on a map.
Other trade companies in CF48
- Valley Roofing Building & Carpentry LimitedRoofers
- Ajl Rail/Civil Engineering LtdCivil engineering
- M&K Valeting LtdCleaning companies
- Mdgroundworks LtdGroundworks and demolition
- Craig Lloyd Groundworks LtdCivil engineering
- Noarc Electrical LtdElectricians
- Elt Brickwork LimitedBuilders
- JBH Decorating LimitedPainters and decorators
What happens if J&J Garage Service's 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 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 15362515
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 December 2023 (2 years ago)
- Registered office
- Unit A3 Pant Industrial Estate, Dowlais, Merthyr Tydfil, CF48 2SR
- Nature of business
- Maintenance and repair of motor vehicles (SIC 45200)
Other engineering activities (SIC 71129) - Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 18 December 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 Merthyr Tydfil
Other active vehicle repair garages registered in Merthyr Tydfil.
- M.D. Body Repairs Limited2016
- MD Services (Penderyn) Ltd2012
- Merthyr Tyres and Exhaust Services Limited2005
- Mototech Merthyr Ltd2018
- Penydarren Motors Ltd2026
- Phoenix Remapping Solutions Ltd2024
- R&P Motor Services Ltd2026
- Rji Services Ltd2026
All vehicle repair garages in Merthyr Tydfil · All trades in Merthyr Tydfil · Mechanics and garages across the UK
Frequently asked questions
When are J&J Garage Service's Ltd's accounts due?
J&J Garage Service's Ltd's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is J&J Garage Service's Ltd's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is J&J Garage Service's Ltd still trading?
J&J Garage Service's 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 J&J Garage Service's Ltd do?
J&J Garage Service's Ltd is registered under Maintenance and repair of motor vehicles (SIC 45200); Other engineering activities (SIC 71129).
How old is J&J Garage Service's Ltd?
J&J Garage Service's Ltd was incorporated on 19 December 2023, 2 years ago.
What is the penalty if J&J Garage Service's 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 J&J Garage Service's 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.