- Companies
- Electricians
- Southampton
- Jems Group Southern Ltd
Jems Group Southern Ltd
- Company number
- 15821596
- Incorporated
- 5 Jul 20242 years trading
- Registered office
- 21 Mount Pleasant Road, Southampton, Hampshire, SO14 0EF
- Nature of business
- Electrical installation; Other business support service activities n.e.c.
Jems Group Southern Ltd is a 2-year-old private limited company registered in Southampton, company number 15821596, one of 342 electrical contractors in Southampton. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 July 2025, as filed at Companies House.
Where Jems Group Southern Ltd is registered
The registered office is in Southampton (SO14), in the Southampton local authority area, South East. Show SO14 0EF on a map.
Other trade companies in SO14
- Cat Garage LtdMechanics and garages
- Sonix LtdBuilders
- Vanie & Dick LtdBuilders
- 33 Motors LtdMotor traders
- Pure Light Cleaning LtdCleaning companies
- Cccjr Trading LimitedMotor traders
- Otess LtdFloor and wall tilers
- Bevertex LimitedElectricians
What happens if Jems Group Southern 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 30 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 15821596
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 July 2024 (2 years ago)
- Registered office
- 21 Mount Pleasant Road, Southampton, Hampshire, SO14 0EF
- Nature of business
- Electrical installation (SIC 43210)
Other business support service activities n.e.c. (SIC 82990) - Year end
- 31 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 4 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.
- JG Installation Maintenance Ltd2023
- JJR Mechanical & Electrical Ltd2013
- John Hubbard Limited2022
- JPPV Solutions Limited2026
- Jsi Electrical Ltd2016
- K C T Electrics Limited1997
- K.A.B. One Ltd2013
- K.P.A. Electrical Services Ltd2023
All electrical contractors in Southampton · All trades in Southampton · Electricians across the UK
Frequently asked questions
When are Jems Group Southern Ltd's accounts due?
Jems Group Southern Ltd's next accounts are due at Companies House by 30 April 2027 (in 199 days), covering the period to 31 July 2026.
When is Jems Group Southern Ltd's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is Jems Group Southern Ltd still trading?
Jems Group Southern 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 Jems Group Southern Ltd do?
Jems Group Southern Ltd is registered under Electrical installation (SIC 43210); Other business support service activities n.e.c. (SIC 82990).
How old is Jems Group Southern Ltd?
Jems Group Southern Ltd was incorporated on 5 July 2024, 2 years ago.
What is the penalty if Jems Group Southern 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 Jems Group Southern 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.