Am21 Ltd
- Company number
- 13740413
- Incorporated
- 12 Nov 20214 years trading
- Registered office
- 15 Tees Court,, Skippers Lane Industrial Estate, Middlesbrough, North Yorkshire, TS6 6DX
- Nature of business
- Maintenance and repair of motor vehicles
Am21 Ltd is a 4-year-old private limited company registered in Middlesbrough, company number 13740413, one of 132 vehicle repair garages in Middlesbrough. Companies House shows its accounts as overdue: they were due on 29 August 2026.
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 down £24K (-46.2%) on the year before, to -£75K.
- Current assets of £4,056 against £82K owed within a year: 0.0 times cover.
- 3 employees on average, down from 4 the year before.
- Balance sheets on record for 3 years, 2022 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 29 Nov 2024 | -£75K | £4,056 | £82K | 3 | |
| 29 Nov 2023 | -£51K | £4,736 | £60K | 4 | |
| 29 Nov 2022 | -£14K | £9,726 | £25K | 3 |
Where Am21 Ltd is registered
The registered office is in Middlesbrough (TS6), in the Redcar and Cleveland local authority area, North East. Show TS6 6DX on a map.
Other trade companies in TS6
- MJD Coatings LtdBuilders
- Saflone Associates LtdRepair services
- Aaron Parry LtdSpecialist contractors
- Harry Micheal Davidson LtdScaffolders
- Theropes LtdPainters and decorators
- Darren Shaw LtdScaffolders
- C A Domin Painting LtdPainters and decorators
- Todd Scaffolding Services LtdScaffolders
Also registered at this address
1 other company uses the same registered office as Am21 Ltd.
- Am26 LtdMechanics and garages
What happens if Am21 Ltd files late
If the accounts reach Companies House today, the late filing penalty is £375 (£750 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 30 Aug 2026 to 29 Sep 2026 | £150 |
| 1 to 3 months late | 30 Sep 2026 to 29 Nov 2026 | £375 |
| 3 to 6 months late | 30 Nov 2026 to 28 Feb 2027 | £750 |
| More than 6 months late | From 1 Mar 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 30 Nov 2026 | £200 |
| 3 months late | 28 Feb 2027 | another £200 |
| 6 months late | 29 May 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 29 Nov 2027 | 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
- 13740413
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 November 2021 (4 years ago)
- Registered office
- 15 Tees Court,, Skippers Lane Industrial Estate, Middlesbrough, North Yorkshire, TS6 6DX
- Nature of business
- Maintenance and repair of motor vehicles (SIC 45200)
- Year end
- 29 November (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 29 November 2024
- Last confirmation statement
- 11 November 2025
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 Middlesbrough
Other active vehicle repair garages registered in Middlesbrough.
- Am26 Ltd2026
- Amr Autos Great Ayton Ltd2012
- Apex Motor Works Ltd2026
- As Mechanical Solutions Ltd2019
- Auto Fix (Ne) Ltd2025
- Auto Fix Center Limited2026
- Auto Tyres & Body Work Ltd2026
- Autoleisure Ne Ltd2026
All vehicle repair garages in Middlesbrough · All trades in Middlesbrough · Mechanics and garages across the UK
Frequently asked questions
When are Am21 Ltd's accounts due?
Am21 Ltd's accounts were due at Companies House on 29 August 2026 and the register shows them as overdue.
When is Am21 Ltd's CT600 due?
The CT600 for the period to 29 November 2025 is due at HMRC by 29 November 2026, 12 months after the period end. The corporation tax itself is payable earlier, by 30 August 2026.
Is Am21 Ltd still trading?
Am21 Ltd is listed as active on the Companies House register (checked 12 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 Am21 Ltd do?
Am21 Ltd is registered under Maintenance and repair of motor vehicles (SIC 45200).
How old is Am21 Ltd?
Am21 Ltd was incorporated on 12 November 2021, 4 years ago.
What is the penalty if Am21 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 Am21 Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.