- Companies
- Electricians
- Wellingborough
- S J Group Electric Ltd
S J Group Electric Ltd
- Company number
- 16308591
- Incorporated
- 11 Mar 20251 year trading
- Registered office
- 13 Somerford Road, Wellingborough, NN8 5EY
- Nature of business
- Electrical installation; Other construction installation; Fire service activities
S J Group Electric Ltd is a 1-year-old private limited company registered in Wellingborough, company number 16308591, one of 50 electrical contractors in Wellingborough. Its next accounts are due at Companies House on 11 December 2026, and its first CT600 is due at HMRC on 10 March 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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Where S J Group Electric Ltd is registered
The registered office is in Wellingborough (NN8), in the North Northamptonshire local authority area, East Midlands. Show NN8 5EY on a map.
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What happens if S J Group 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 11 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 12 Dec 2026 to 11 Jan 2027 | £150 |
| 1 to 3 months late | 12 Jan 2027 to 11 Mar 2027 | £375 |
| 3 to 6 months late | 12 Mar 2027 to 11 Jun 2027 | £750 |
| More than 6 months late | From 12 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 16308591
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 March 2025 (1 year ago)
- Registered office
- 13 Somerford Road, Wellingborough, NN8 5EY
- Nature of business
- Electrical installation (SIC 43210)
Other construction installation (SIC 43290)
Fire service activities (SIC 84250) - Year end
- 31 March (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 10 March 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 Wellingborough
Other active electrical contractors registered in Wellingborough.
- SB Sparks Ltd2025
- Suresafe Electrical Services Ltd2020
- Team Electrical Services Limited1991
- Trade Hub Services Ltd2025
- W T Electrical Installations Limited2026
- A Mitchell Electrical Ltd2006
- Alech Ltd2026
- All Aspect (Northants) Ltd2017
All electrical contractors in Wellingborough · All trades in Wellingborough · Electricians across the UK
Frequently asked questions
When are S J Group Electric Ltd's accounts due?
S J Group Electric Ltd's next accounts are due at Companies House by 11 December 2026 (in 59 days), covering the period to 31 March 2026.
When is S J Group Electric 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 10 March 2026, due by 10 March 2027, and one for the period to 31 March 2026, due by 31 March 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is S J Group Electric Ltd still trading?
S J Group 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 S J Group Electric Ltd do?
S J Group Electric Ltd is registered under Electrical installation (SIC 43210); Other construction installation (SIC 43290); Fire service activities (SIC 84250).
How old is S J Group Electric Ltd?
S J Group Electric Ltd was incorporated on 11 March 2025, 1 year ago.
What is the penalty if S J Group 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 S J Group 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.