- Companies
- Mechanics and garages
- High Wycombe
- Ad Mechanics Limited
Ad Mechanics Limited
- Company number
- 13924523
- Incorporated
- 18 Feb 20224 years trading
- Registered office
- 4 Newmans Row, Lincoln Inn Lincoln Road, Cressex Business Park, High Wycombe, HP12 3RE
- Nature of business
- Maintenance and repair of motor vehicles
Ad Mechanics Limited is a 4-year-old private limited company registered in High Wycombe, company number 13924523, one of 143 vehicle repair garages in High Wycombe. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 £984 (+11.1%) on the year before, to £9,879.
- Current assets of £8,088 against £5,025 owed within a year: 1.6 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £9,879 | £8,088 | £5,025 | 1 | |
| 31 Mar 2024 | £8,895 | £16K | £22K | £24K | 1 |
| 31 Mar 2023 | £3,964 | £15K | £17K | £18K | 1 |
Where Ad Mechanics Limited is registered
The registered office is in High Wycombe (HP12), in the Buckinghamshire local authority area, South East. Show HP12 3RE on a map.
Other trade companies in HP12
- Ta Repairs and Courier LtdMechanics and garages
- Precision Bodyworkz LimitedMechanics and garages
- Rha Developers LtdProperty developers
- Trade Cars Ukk LimitedMotor traders
- VMD Carpentry LtdProperty developers
- Ah New Tyres LtdMotor traders
- Georges Auto Repair LtdMechanics and garages
- Smart Breeze LimitedElectricians
Also registered at this address
6 other companies use the same registered office as Ad Mechanics Limited.
- Blake Heating and Plumbing LtdPlumbers and heating engineers
- Conquest Supplies LtdProperty developers
- Hancock Developments LimitedProperty developers
- More Secured LimitedInstallers
- Topmarks Maintenance LimitedSpecialist contractors
- Wealdstone Autoprep LimitedMechanics and garages
What happens if Ad Mechanics 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 31 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 13924523
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 February 2022 (4 years ago)
- Registered office
- 4 Newmans Row, Lincoln Inn Lincoln Road, Cressex Business Park, High Wycombe, HP12 3RE
- Nature of business
- Maintenance and repair of motor vehicles (SIC 45200)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 17 February 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 High Wycombe
Other active vehicle repair garages registered in High Wycombe.
- Advance Car Care Ltd2018
- Advanced Vehicle Diagnostics Limited2025
- Ah Rims Repairs Ltd2026
- Aihl Ltd2026
- Aihl Vehicle Hire Ltd2012
- Ajk Autos Ltd2026
- Amersham Mobile Tyre Service Ltd2022
- Andrecarservice Ltd2025
All vehicle repair garages in High Wycombe · All trades in High Wycombe · Mechanics and garages across the UK
Frequently asked questions
When are Ad Mechanics Limited's accounts due?
Ad Mechanics Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Ad Mechanics Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Ad Mechanics Limited still trading?
Ad Mechanics 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 Ad Mechanics Limited do?
Ad Mechanics Limited is registered under Maintenance and repair of motor vehicles (SIC 45200).
How old is Ad Mechanics Limited?
Ad Mechanics Limited was incorporated on 18 February 2022, 4 years ago.
What is the penalty if Ad Mechanics 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 Ad Mechanics 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.