- Companies
- Electricians
- Southampton
- S.E.B. Electrical Contractors Ltd
S.E.B. Electrical Contractors Ltd
- Company number
- 14355504
- Incorporated
- 14 Sep 20224 years trading
- Registered office
- 2A Valentine Avenue, Southampton, Hampshire, SO19 0ER
- Nature of business
- Electrical installation
S.E.B. Electrical Contractors Ltd is a 4-year-old private limited company registered in Southampton, company number 14355504, one of 342 electrical contractors in Southampton. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for S.E.B. Electrical Contractors LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 £27K (+301.1%) on the year before, to £35K.
- Current assets of £38K against £11K owed within a year: 3.3 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £35K | £38K | £11K | 1 | |
| 31 Mar 2024 | £8,831 | £18K | £9,421 | 1 | |
| 31 Mar 2023 | £5,937 | £10K | £4,274 | 1 |
Where S.E.B. Electrical Contractors Ltd is registered
The registered office is in Southampton (SO19), in the Southampton local authority area, South East. Show SO19 0ER on a map.
Other trade companies in SO19
- 4LK Cleaning Company LtdCleaning companies
- Nest Path Properties LimitedBuilders
- Dautaj Groundworks LtdBuilders
- Craftline Carpentry Services LtdJoiners and carpenters
- Agape-Wise LimitedCleaning companies
- Cool Enterprises LtdPlumbers and heating engineers
- Jmac Carpentry & Building LtdPlasterers
- Auto Motive Dismantling - Amd LtdMotor traders
What happens if S.E.B. Electrical Contractors 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 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 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
- 14355504
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 September 2022 (4 years ago)
- Registered office
- 2A Valentine Avenue, Southampton, Hampshire, SO19 0ER
- 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 2025
- Last confirmation statement
- 13 September 2025
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.
- SB Electrical & Building Maintenance Ltd2022
- Scammell Electrical Ltd2026
- SDB Property Services Limited2018
- SDS Electrical and Maintenance Limited2013
- Semboleletrical Ltd2026
- Sharpe's Electrical Services Limited2021
- Shorelec Projects Limited2026
- Sinag Pinoy Ltd2025
All electrical contractors in Southampton · All trades in Southampton · Electricians across the UK
Frequently asked questions
When are S.E.B. Electrical Contractors Ltd's accounts due?
S.E.B. Electrical Contractors Ltd's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is S.E.B. Electrical Contractors Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is S.E.B. Electrical Contractors Ltd still trading?
S.E.B. Electrical Contractors Ltd is listed as active on the Companies House register (checked 12 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.E.B. Electrical Contractors Ltd do?
S.E.B. Electrical Contractors Ltd is registered under Electrical installation (SIC 43210).
How old is S.E.B. Electrical Contractors Ltd?
S.E.B. Electrical Contractors Ltd was incorporated on 14 September 2022, 4 years ago.
What is the penalty if S.E.B. Electrical Contractors 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.E.B. Electrical Contractors Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.