- Companies
- Mechanics and garages
- Leighton Buzzard
- FMX Diagnostics Tech Ltd
FMX Diagnostics Tech Ltd
- Company number
- 17175715
- Incorporated
- 23 Apr 2026
- Registered office
- Forge Farm Wing Road, Stewkley, Leighton Buzzard, LU7 0JB
- Nature of business
- Maintenance and repair of motor vehicles
FMX Diagnostics Tech Ltd is a newly incorporated private limited company registered in Leighton Buzzard, company number 17175715, one of 56 vehicle repair garages in Leighton Buzzard. Its next accounts are due at Companies House on 23 January 2028, and its first CT600 is due at HMRC on 22 April 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 FMX Diagnostics Tech Ltd is registered
The registered office is in Leighton Buzzard (LU7), in the Buckinghamshire local authority area, South East. Show LU7 0JB on a map.
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What happens if FMX Diagnostics Tech 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 23 January 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 24 Jan 2028 to 23 Feb 2028 | £150 |
| 1 to 3 months late | 24 Feb 2028 to 23 Apr 2028 | £375 |
| 3 to 6 months late | 24 Apr 2028 to 23 Jul 2028 | £750 |
| More than 6 months late | From 24 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2028 | £200 |
| 3 months late | 30 Jul 2028 | another £200 |
| 6 months late | 30 Oct 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 17175715
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 April 2026
- Registered office
- Forge Farm Wing Road, Stewkley, Leighton Buzzard, LU7 0JB
- Nature of business
- Maintenance and repair of motor vehicles (SIC 45200)
- Year end
- 30 April (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 Leighton Buzzard
Other active vehicle repair garages registered in Leighton Buzzard.
- George W Roberts & Son Limited2020
- Glen Garage Group Limited2002
- GR-Tech Ltd2018
- Grays Commercials Northants Limited2022
- Horsebox Maintenance Ltd2013
- Howard Bros Classics & Paint Limited2026
- Hunter's Garage Limited2017
- J&J Auto Service Limited2024
All vehicle repair garages in Leighton Buzzard · All trades in Leighton Buzzard · Mechanics and garages across the UK
Frequently asked questions
When are FMX Diagnostics Tech Ltd's accounts due?
FMX Diagnostics Tech Ltd's next accounts are due at Companies House by 23 January 2028 (in 468 days), covering the period to 30 April 2027.
When is FMX Diagnostics Tech 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 22 April 2027, due by 22 April 2028, and one for the period to 30 April 2027, due by 30 April 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is FMX Diagnostics Tech Ltd still trading?
FMX Diagnostics Tech 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 FMX Diagnostics Tech Ltd do?
FMX Diagnostics Tech Ltd is registered under Maintenance and repair of motor vehicles (SIC 45200).
How old is FMX Diagnostics Tech Ltd?
FMX Diagnostics Tech Ltd was incorporated on 23 April 2026, less than a year ago.
What is the penalty if FMX Diagnostics Tech 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 FMX Diagnostics Tech 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.