- Companies
- Electricians
- Southampton
- SJ Electric Ltd
SJ Electric Ltd
- Company number
- 14266442
- Incorporated
- 1 Aug 20224 years trading
- Registered office
- 25 Somerset Avenue, Southampton, Hampshire, SO18 5FP
- Nature of business
- Electrical installation
SJ Electric Ltd is a 4-year-old private limited company registered in Southampton, company number 14266442, one of 342 electrical contractors in Southampton. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
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 £9,570 on the year before, to £9,571.
- Net assets rose in 1 of 3 year-on-year comparisons on record.
- Current assets of £17K against £33K owed within a year: 0.5 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 4 years, 2023 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £9,571 | £17K | £33K | 1 | |
| 31 Mar 2025 | £1 | £1 | |||
| 31 Aug 2024 | £1 | £1 | |||
| 31 Aug 2023 | £1 | £1 |
Where SJ Electric Ltd is registered
The registered office is in Southampton (SO18), in the Southampton local authority area, South East. Show SO18 5FP on a map.
Other trade companies in SO18
- Nationwide Steelfixing LtdBuilders
- Terraline LimitedSpecialist contractors
- Omni Group Holdings LtdSpecialist contractors
- Zammit Property Developments LtdProperty developers
- Shotton Marine LtdMachinery repair and installation
- Amiri Mobile Mechanic LtdMechanics and garages
- Roofing Building & Maintenance LtdSpecialist contractors
- The Tidy Life LtdCleaning companies
What happens if SJ Electric 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 31 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 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
- 14266442
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 August 2022 (4 years ago)
- Registered office
- 25 Somerset Avenue, Southampton, Hampshire, SO18 5FP
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 31 July 2026
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 Southampton
Other active electrical contractors registered in Southampton.
- SJD Electrical Solutions Limited2026
- Smoke Vent Systems Ltd2011
- Solent Electrical Consultancy-Marine Limited2012
- Solent Renewables Ltd2022
- Solid Electrics Limited2019
- Solo Electrical UK Limited2008
- Solo Group (South) Limited2023
- South City Electrical Limited2005
All electrical contractors in Southampton · All trades in Southampton · Electricians across the UK
Frequently asked questions
When are SJ Electric Ltd's accounts due?
SJ Electric Ltd's next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.
When is SJ Electric Ltd's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is SJ Electric Ltd still trading?
SJ Electric 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 SJ Electric Ltd do?
SJ Electric Ltd is registered under Electrical installation (SIC 43210).
How old is SJ Electric Ltd?
SJ Electric Ltd was incorporated on 1 August 2022, 4 years ago.
What is the penalty if SJ Electric 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 SJ Electric 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.