- Company number
- 15078792
- Incorporated
- 17 Aug 20233 years trading
- Registered office
- 20 Wenlock Road, London, N1 7GU
- Nature of business
- Construction of domestic buildings; Electrical installation; specialised design activities
JM Electrical Services London Ltd is a 3-year-old private limited company registered in London, company number 15078792, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 30 May 2027, and the CT600 for the period to 30 August 2026 is due at HMRC on 30 August 2027.
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 down £269 (-68.1%) on the year before, to £126.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | £126 | £8 | £1,462 | 0 | |
| 31 Aug 2024 | £395 | £1 | £1,976 | 0 |
Where JM Electrical Services London Ltd is registered
The registered office is in London (N1), in the Hackney local authority area, London. Show N1 7GU on a map.
Other trade companies in N1
- Tagwise LtdSpecialist contractors
- Sphere Aviation Solutions UK LtdMachinery repair and installation
- Get IT Done Builders LtdJoiners and carpenters
- Evolution Products LimitedMotor traders
- Fleetstone Trading LtdMotor traders
- Kenneth Brady LtdElectricians
- UK Import Export LtdBuilders
- Magic Door Services LimitedMachinery repair and installation
Shared registered office
1,583 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 JM Electrical Services London 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 31 May 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 30 Aug 2027 | £375 |
| 3 to 6 months late | 31 Aug 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 31 Aug 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Aug 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
- 15078792
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 August 2023 (3 years ago)
- Registered office
- 20 Wenlock Road, London, N1 7GU
- Nature of business
- Construction of domestic buildings (SIC 41202)
Electrical installation (SIC 43210)
specialised design activities (SIC 74100) - Year end
- 30 August (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 16 August 2026
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in London
Other active building contractors registered in London.
- JM Full Construction Ltd2019
- JM Restoration Ltd2025
- JM2 Construction Ltd2018
- JMDL Construction Ltd2025
- Jme Construction (London) Ltd2025
- JMG Solutions Ltd2026
- Jmi Wholesale Ltd2023
- Jmi4 Property Services Ltd2023
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are JM Electrical Services London Ltd's accounts due?
JM Electrical Services London Ltd's next accounts are due at Companies House by 30 May 2027 (in 229 days), covering the period to 30 August 2026.
When is JM Electrical Services London Ltd's CT600 due?
The CT600 for the period to 30 August 2026 is due at HMRC by 30 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 31 May 2027.
Is JM Electrical Services London Ltd still trading?
JM Electrical Services London 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 JM Electrical Services London Ltd do?
JM Electrical Services London Ltd is registered under Construction of domestic buildings (SIC 41202); Electrical installation (SIC 43210); specialised design activities (SIC 74100).
How old is JM Electrical Services London Ltd?
JM Electrical Services London Ltd was incorporated on 17 August 2023, 3 years ago.
What is the penalty if JM Electrical Services London 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 JM Electrical Services London 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.