- Companies
- Motor traders
- Birmingham
- Isa1 Ltd
Isa1 Ltd
- Company number
- 16875852
- Incorporated
- 26 Nov 2025
- Registered office
- 98 Collingbourne Avenue, Birmingham, B36 8PN
- Nature of business
- Sale of used cars and light motor vehicles; Maintenance and repair of motor vehicles; Renting and leasing of cars and light motor vehicles
Isa1 Ltd is a newly incorporated private limited company registered in Birmingham, company number 16875852, one of 1,296 motor trade companies in Birmingham. Its next accounts are due at Companies House on 26 August 2027, and its first CT600 is due at HMRC on 25 November 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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Who runs and owns Isa1 Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| A*** M*** | Director | Nov 2025 |
Person with significant control
Where Isa1 Ltd is registered
The registered office is in Birmingham (B36), in the Birmingham local authority area, West Midlands. Show B36 8PN on a map.
Other trade companies in B36
- CSB Watson Property Improvements LtdFinishing trades
- Nest Energy LtdPlumbers and heating engineers
- Corecare Property Service LimitedCleaning companies
- Harleys Autos LtdMechanics and garages
- Divine Rail LtdProperty developers
- Apm FM LtdJoiners and carpenters
- Apex Car Selection LtdMotor traders
- 3 Kings Automotives LtdMotor traders
What happens if Isa1 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 26 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 27 Aug 2027 to 26 Sep 2027 | £150 |
| 1 to 3 months late | 27 Sep 2027 to 26 Nov 2027 | £375 |
| 3 to 6 months late | 27 Nov 2027 to 26 Feb 2028 | £750 |
| More than 6 months late | From 27 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 16875852
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 November 2025
- Registered office
- 98 Collingbourne Avenue, Birmingham, B36 8PN
- Nature of business
- Sale of used cars and light motor vehicles (SIC 45112)
Maintenance and repair of motor vehicles (SIC 45200)
Renting and leasing of cars and light motor vehicles (SIC 77110) - Year end
- 30 November (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for motor trade companies
Motor trade companies hold vehicle stock, and how that stock is valued at the year end moves the profit directly. Some use the VAT margin scheme.
Similar companies in Birmingham
Other active motor trade companies registered in Birmingham.
- Isaac Tyres Birmingham Limited2022
- Islsps Limited2020
- Italtruck Ltd2001
- J & M Tyres Limited2018
- J H Automotive Ltd2015
- J R Foster and Son Ltd2008
- J4Y Cars Ltd2026
- Jad Motor Ltd2019
All motor trade companies in Birmingham · All trades in Birmingham · Motor traders across the UK
Frequently asked questions
When are Isa1 Ltd's accounts due?
Isa1 Ltd's next accounts are due at Companies House by 26 August 2027 (in 318 days), covering the period to 30 November 2026.
When is Isa1 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 25 November 2026, due by 25 November 2027, and one for the period to 30 November 2026, due by 30 November 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Isa1 Ltd still trading?
Isa1 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 Isa1 Ltd do?
Isa1 Ltd is registered under Sale of used cars and light motor vehicles (SIC 45112); Maintenance and repair of motor vehicles (SIC 45200); Renting and leasing of cars and light motor vehicles (SIC 77110).
How old is Isa1 Ltd?
Isa1 Ltd was incorporated on 26 November 2025, less than a year ago.
Who runs Isa1 Ltd?
Isa1 Ltd has 1 active director, the longest-serving appointed in Nov 2025. Their names and service addresses are on the Companies House register.
Who owns Isa1 Ltd?
One person or company has significant control of Isa1 Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Isa1 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 Isa1 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.