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- Prognix Ltd
Company profile · Mechanics and garages
Prognix Ltd
Prognix Ltd is a newly incorporated private limited company registered in London, company number 17276660, one of 2,410 vehicle repair garages in London. Its next accounts are due at Companies House on 17 March 2028, and its first CT600 is due at HMRC on 16 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.
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Where Prognix Ltd is registered
The registered office is in London (W1W), in the Westminster local authority area, London. Show W1W 5PF on a map.
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- Holly’S Housekeeping LtdCleaning companies
Shared registered office
1,494 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Prognix 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 17 March 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 18 Mar 2028 to 17 Apr 2028 | £150 |
| 1 to 3 months late | 18 Apr 2028 to 17 Jun 2028 | £375 |
| 3 to 6 months late | 18 Jun 2028 to 17 Sep 2028 | £750 |
| More than 6 months late | From 18 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
- 17276660
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 June 2026
- Registered office
- 167 - 169 Great Portland Street, 5TH Floor, London, W1W 5PF
- Nature of business
- Maintenance and repair of motor vehicles (SIC 45200)
Retail sale via mail order houses or via Internet (SIC 47910)
Business and domestic software development (SIC 62012) - 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 London
Other active vehicle repair garages registered in London.
- Prolux Tints Ltd2019
- Prompt Vehicle Management Ltd2019
- Protech Bodyshop Ltd2025
- Protecting Forever Ltd2025
- Proto Motor Ltd2011
- Proton Tyres Ltd2024
- Prowheel Refurb Limited2025
- PS Car Fixer Ltd2023
All vehicle repair garages in London · All trades in London · Mechanics and garages across the UK
Frequently asked questions
When are Prognix Ltd's accounts due?
Prognix Ltd's next accounts are due at Companies House by 17 March 2028 (in 522 days), covering the period to 30 June 2027.
When is Prognix 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 16 June 2027, due by 16 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 Prognix Ltd still trading?
Prognix 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 Prognix Ltd do?
Prognix Ltd is registered under Maintenance and repair of motor vehicles (SIC 45200); Retail sale via mail order houses or via Internet (SIC 47910); Business and domestic software development (SIC 62012).
How old is Prognix Ltd?
Prognix Ltd was incorporated on 17 June 2026, less than a year ago.
What is the penalty if Prognix 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 Prognix 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.