- Companies
- Mechanics and garages
- Portsmouth
- TCM Auto Locks Ltd
TCM Auto Locks Ltd
- Company number
- 12592182
- Incorporated
- 7 May 20206 years trading
- Registered office
- 3A Ackworth Road, Portsmouth, PO3 5RY
- Nature of business
- Maintenance and repair of motor vehicles
TCM Auto Locks Ltd is a 6-year-old private limited company registered in Portsmouth, company number 12592182, one of 104 vehicle repair garages in Portsmouth. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 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 up £1,996 (+16.6%) on the year before, to £14K.
- Net assets rose in 2 of 4 year-on-year comparisons on record.
- Current assets of £13K against £2,437 owed within a year: 5.1 times cover.
- 1 employee on average, up from 0 the year before.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | £14K | £13K | £2,437 | 1 | |
| 31 May 2024 | £12K | £9,725 | £1,199 | 0 | |
| 31 May 2023 | £554 | £2,708 | £1,199 | 0 | |
| 31 May 2022 | £1,833 | £2,422 | £1,717 | 0 | |
| 31 May 2021 | £2,239 | £1,746 | £635 | 0 |
Where TCM Auto Locks Ltd is registered
The registered office is in Portsmouth (PO3), in the Portsmouth local authority area, South East. Show PO3 5RY on a map.
Other trade companies in PO3
- GJM Construction LtdBuilders
- Al Fajar Building LimitedFinishing trades
- New Milton Decor LtdPainters and decorators
- Portsmouth Autos LtdMechanics and garages
- Henley Roofing Group LimitedInstallers
- I’M Covered 365 Ac LtdPlumbers and heating engineers
- Scope Bodyshop LtdMechanics and garages
- GP Technical LtdSpecialist contractors
What happens if TCM Auto Locks 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 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
- 12592182
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 May 2020 (6 years ago)
- Registered office
- 3A Ackworth Road, Portsmouth, PO3 5RY
- Nature of business
- Maintenance and repair of motor vehicles (SIC 45200)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 14 July 2026
- Previous names
- TCM Mobile Tuning Limited (until 13 Nov 2024)
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 Portsmouth
Other active vehicle repair garages registered in Portsmouth.
- TDW Automotive Ltd2024
- The Worx Portsmouth Ltd2021
- Total Car Maintenance Limited2014
- VDK Garage Ltd2026
- W J Heard Motor Repairs Limited2012
- Watsons Motor Repairs Limited2024
- Welfare Garage Limited1998
- Wheel A&E Limited2019
All vehicle repair garages in Portsmouth · All trades in Portsmouth · Mechanics and garages across the UK
Frequently asked questions
When are TCM Auto Locks Ltd's accounts due?
TCM Auto Locks Ltd's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.
When is TCM Auto Locks Ltd's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is TCM Auto Locks Ltd still trading?
TCM Auto Locks 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 TCM Auto Locks Ltd do?
TCM Auto Locks Ltd is registered under Maintenance and repair of motor vehicles (SIC 45200).
How old is TCM Auto Locks Ltd?
TCM Auto Locks Ltd was incorporated on 7 May 2020, 6 years ago.
What is the penalty if TCM Auto Locks 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 TCM Auto Locks 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.