- Companies
- Electricians
- Eastleigh
- James Cox Electrical Limited
James Cox Electrical Limited
- Company number
- 17112380
- Incorporated
- 24 Mar 2026
- Registered office
- 97 Leigh Road, Eastleigh, SO50 9DR
- Nature of business
- Electrical installation
James Cox Electrical Limited is a newly incorporated private limited company registered in Eastleigh, company number 17112380, one of 93 electrical contractors in Eastleigh. Its next accounts are due at Companies House on 24 December 2027, and its first CT600 is due at HMRC on 23 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 James Cox Electrical Limited is registered
The registered office is in Eastleigh (SO50), in the Eastleigh local authority area, South East. Show SO50 9DR on a map.
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- Gutter and Glass LimitedCleaning companies
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- Pro Spray Hampshire LtdPainters and decorators
- National Trusted Vehicles LtdMotor traders
- Kuji Service LtdMachinery repair and installation
Shared registered office
43 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 James Cox Electrical 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 24 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 25 Dec 2027 to 24 Jan 2028 | £150 |
| 1 to 3 months late | 25 Jan 2028 to 24 Mar 2028 | £375 |
| 3 to 6 months late | 25 Mar 2028 to 24 Jun 2028 | £750 |
| More than 6 months late | From 25 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
- 17112380
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 March 2026
- Registered office
- 97 Leigh Road, Eastleigh, SO50 9DR
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 March (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for electrical contractors
Electrical contracting companies are often a director plus a van and tools. Most fall within the micro-entity rules, so the accounts filed at Companies House are short, and the CT600 carries the tax detail.
Similar companies in Eastleigh
Other active electrical contractors registered in Eastleigh.
- JMC Building Services Ltd2019
- JNM Electrical Engineering Ltd2025
- Just Electric Ltd2005
- L G Installations Ltd2013
- Lewis Electrical Southern Limited2026
- LGRS Services Ltd2015
- Liftech Electrical Limited2019
- LSC Electrical Limited2005
All electrical contractors in Eastleigh · All trades in Eastleigh · Electricians across the UK
Frequently asked questions
When are James Cox Electrical Limited's accounts due?
James Cox Electrical Limited's next accounts are due at Companies House by 24 December 2027 (in 437 days), covering the period to 31 March 2027.
When is James Cox Electrical Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 23 March 2027, due by 23 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 James Cox Electrical Limited still trading?
James Cox Electrical 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 James Cox Electrical Limited do?
James Cox Electrical Limited is registered under Electrical installation (SIC 43210).
How old is James Cox Electrical Limited?
James Cox Electrical Limited was incorporated on 24 March 2026, less than a year ago.
What is the penalty if James Cox Electrical 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 James Cox Electrical 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.