- Companies
- Mechanics and garages
- Southsea
- Cool Mechanic Limited
Cool Mechanic Limited
- Company number
- 16430119
- Incorporated
- 6 May 20251 year trading
- Registered office
- 37 Halliday Crescent, Southsea, PO4 9JU
- Nature of business
- Maintenance and repair of motor vehicles
Cool Mechanic Limited is a 1-year-old private limited company registered in Southsea, company number 16430119, one of 29 vehicle repair garages in Southsea. Its next accounts are due at Companies House on 6 February 2027, and its first CT600 is due at HMRC on 5 May 2027.
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 Cool Mechanic Limited is registered
The registered office is in Southsea (PO4), in the Portsmouth local authority area, South East. Show PO4 9JU on a map.
Other trade companies in PO4
- Prestiige LtdMechanics and garages
- Portsea Homes LimitedProperty developers
- Elite Building Services (Portsmouth) LtdBuilders
- G Form Drylining LimitedPlasterers
- Solent Sales Haulage & Storage LtdMotor traders
- Koko Construction LtdBuilders
- Chase RCS LtdCivil engineering
- Proper Job Handyman LtdFinishing trades
What happens if Cool Mechanic 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 6 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 7 Feb 2027 to 6 Mar 2027 | £150 |
| 1 to 3 months late | 7 Mar 2027 to 6 May 2027 | £375 |
| 3 to 6 months late | 7 May 2027 to 6 Aug 2027 | £750 |
| More than 6 months late | From 7 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 16430119
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 May 2025 (1 year ago)
- Registered office
- 37 Halliday Crescent, Southsea, PO4 9JU
- Nature of business
- Maintenance and repair of motor vehicles (SIC 45200)
- Year end
- 31 May (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 5 May 2026
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 Southsea
Other active vehicle repair garages registered in Southsea.
- Diamond Style Car Ltd2023
- GB Solent Auto Ltd2026
- Gme Safety Limited2025
- Hampshire Car Hire Ltd2026
- Holloway Motors Southsea Ltd2024
- K & J Motors Ltd2024
- M and H MOT Station Ltd2023
- Marian Motors Ltd2025
All vehicle repair garages in Southsea · All trades in Southsea · Mechanics and garages across the UK
Frequently asked questions
When are Cool Mechanic Limited's accounts due?
Cool Mechanic Limited's next accounts are due at Companies House by 6 February 2027 (in 117 days), covering the period to 31 May 2026.
When is Cool Mechanic Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 5 May 2026, due by 5 May 2027, and one for the period to 31 May 2026, due by 31 May 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Cool Mechanic Limited still trading?
Cool Mechanic 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 Cool Mechanic Limited do?
Cool Mechanic Limited is registered under Maintenance and repair of motor vehicles (SIC 45200).
How old is Cool Mechanic Limited?
Cool Mechanic Limited was incorporated on 6 May 2025, 1 year ago.
What is the penalty if Cool Mechanic 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 Cool Mechanic 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.