- Companies
- Mechanics and garages
- Merthyr Tydfil
- Diagnose Dan's Service and Repairs Ltd
Diagnose Dan's Service and Repairs Ltd
- Company number
- 17299437
- Incorporated
- 24 Jun 2026
- Registered office
- Suite 3 Rabart House, Pontsarn Road, Merthyr Tydfil, CF48 2TN
- Nature of business
- Maintenance and repair of motor vehicles
Diagnose Dan's Service and Repairs Ltd is a newly incorporated private limited company registered in Merthyr Tydfil, company number 17299437, one of 24 vehicle repair garages in Merthyr Tydfil. Its next accounts are due at Companies House on 24 March 2028, and its first CT600 is due at HMRC on 23 June 2028.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
Is this your company?
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Where Diagnose Dan's Service and Repairs Ltd is registered
The registered office is in Merthyr Tydfil (CF48), in the Merthyr Tydfil local authority area, Wales. Show CF48 2TN 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 Diagnose Dan's Service and Repairs 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 24 March 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 25 Mar 2028 to 24 Apr 2028 | £150 |
| 1 to 3 months late | 25 Apr 2028 to 24 Jun 2028 | £375 |
| 3 to 6 months late | 25 Jun 2028 to 24 Sep 2028 | £750 |
| More than 6 months late | From 25 Sep 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2028 | £200 |
| 3 months late | 30 Sep 2028 | another £200 |
| 6 months late | 30 Dec 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 2029 | 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
- 17299437
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 June 2026
- Registered office
- Suite 3 Rabart House, Pontsarn Road, Merthyr Tydfil, CF48 2TN
- Nature of business
- Maintenance and repair of motor vehicles (SIC 45200)
- Year end
- 30 June (accounting reference date)
- Accounts type
- No accounts filed yet
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.
- Dragon Tyres & Autos Merthyr Ltd2026
- Eds of the Valley Motors Ltd2025
- J K S Auto Services Ltd2022
- J&J Garage Service's Ltd2023
- M.D. Body Repairs Limited2016
- MD Services (Penderyn) Ltd2012
- Merthyr Tyres and Exhaust Services Limited2005
- Mototech Merthyr Ltd2018
All vehicle repair garages in Merthyr Tydfil · All trades in Merthyr Tydfil · Mechanics and garages across the UK
Frequently asked questions
When are Diagnose Dan's Service and Repairs Ltd's accounts due?
Diagnose Dan's Service and Repairs Ltd's next accounts are due at Companies House by 24 March 2028 (in 528 days), covering the period to 30 June 2027.
When is Diagnose Dan's Service and Repairs 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 23 June 2027, due by 23 June 2028, and one for the period to 30 June 2027, due by 30 June 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Diagnose Dan's Service and Repairs Ltd still trading?
Diagnose Dan's Service and Repairs 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 Diagnose Dan's Service and Repairs Ltd do?
Diagnose Dan's Service and Repairs Ltd is registered under Maintenance and repair of motor vehicles (SIC 45200).
How old is Diagnose Dan's Service and Repairs Ltd?
Diagnose Dan's Service and Repairs Ltd was incorporated on 24 June 2026, less than a year ago.
What is the penalty if Diagnose Dan's Service and Repairs 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 Diagnose Dan's Service and Repairs 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.