- Companies
- Machinery repair and installation
- London
- Car Iq Diagnostics Ltd
Car Iq Diagnostics Ltd
- Company number
- 17106756
- Incorporated
- 20 Mar 2026
- Registered office
- 20 Wenlock Road, London, N1 7GU
- Nature of business
- Repair and maintenance of other transport equipment n.e.c.
Car Iq Diagnostics Ltd is a newly incorporated private limited company registered in London, company number 17106756, one of 1,743 machinery repair and installation companies in London. Its next accounts are due at Companies House on 20 December 2027, and its first CT600 is due at HMRC on 19 March 2028.
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 Car Iq Diagnostics Ltd is registered
The registered office is in London (N1), in the Hackney local authority area, London. Show N1 7GU on a map.
Other trade companies in N1
- Tagwise LtdSpecialist contractors
- Sphere Aviation Solutions UK LtdMachinery repair and installation
- Get IT Done Builders LtdJoiners and carpenters
- Evolution Products LimitedMotor traders
- Fleetstone Trading LtdMotor traders
- Kenneth Brady LtdElectricians
- UK Import Export LtdBuilders
- Magic Door Services LimitedMachinery repair and installation
Shared registered office
1,583 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Car Iq Diagnostics 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 20 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 21 Dec 2027 to 20 Jan 2028 | £150 |
| 1 to 3 months late | 21 Jan 2028 to 20 Mar 2028 | £375 |
| 3 to 6 months late | 21 Mar 2028 to 20 Jun 2028 | £750 |
| More than 6 months late | From 21 Jun 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 2029 | 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
- 17106756
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 March 2026
- Registered office
- 20 Wenlock Road, London, N1 7GU
- Nature of business
- Repair and maintenance of other transport equipment n.e.c. (SIC 33170)
- Year end
- 31 March (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for machinery repair and installation companies
Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.
Similar companies in London
Other active machinery repair and installation companies registered in London.
- Carbon Composites Ltd2025
- Carrera Corporation Limited1998
- Carter Marine Services Ltd2026
- Caterglobe Limited2013
- Catering Installation & Service Ltd2023
- Cavalry Property Maintenance Ltd2017
- CB Lift Limited2016
- Cce London Contracts and Installations Ltd2026
All machinery repair and installation companies in London · All trades in London · Machinery repair and installation across the UK
Frequently asked questions
When are Car Iq Diagnostics Ltd's accounts due?
Car Iq Diagnostics Ltd's next accounts are due at Companies House by 20 December 2027 (in 433 days), covering the period to 31 March 2027.
When is Car Iq Diagnostics 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 19 March 2027, due by 19 March 2028, and one for the period to 31 March 2027, due by 31 March 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Car Iq Diagnostics Ltd still trading?
Car Iq Diagnostics 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 Car Iq Diagnostics Ltd do?
Car Iq Diagnostics Ltd is registered under Repair and maintenance of other transport equipment n.e.c. (SIC 33170).
How old is Car Iq Diagnostics Ltd?
Car Iq Diagnostics Ltd was incorporated on 20 March 2026, less than a year ago.
What is the penalty if Car Iq Diagnostics 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 Car Iq Diagnostics 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.