- Companies
- Electricians
- Cambridge
- JMB Electrical (UK) Limited
JMB Electrical (UK) Limited
- Company number
- 10953509
- Incorporated
- 8 Sep 20179 years trading
- Registered office
- Unit 5, Avenue Business Park Brockley Road, Elsworth, Cambridge, CB23 4EY
- Nature of business
- Electrical installation
JMB Electrical (UK) Limited is a 9-year-old private limited company registered in Cambridge, company number 10953509, one of 111 electrical contractors in Cambridge. 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.
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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 £35K on the year before, to £38K.
- Net assets rose in 4 of 7 year-on-year comparisons on record.
- Current assets of £86K against £54K owed within a year: 1.6 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 8 years, 2018 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £38K | £48K | £86K | £54K | 1 |
| 31 Mar 2024 | £2,743 | £7,187 | £44K | £42K | 1 |
| 31 Mar 2023 | £5,421 | £12K | £26K | £13K | 1 |
| 31 Mar 2022 | £21K | £39K | £49K | £16K | 1 |
| 31 Mar 2021 | £20K | £46K | £55K | £15K | 1 |
| 31 Mar 2020 | £6,712 | £6,251 | £13K | £12K | 1 |
| 31 Mar 2019 | £478 | £41K | £56K | £60K | 1 |
| 31 Mar 2018 | £2,936 | £9,708 | £36K | £39K |
Where JMB Electrical (UK) Limited is registered
The registered office is in Cambridge (CB23), in the South Cambridgeshire local authority area, East of England. Show CB23 4EY on a map.
Other trade companies in CB23
- Hayberry Developments LtdProperty developers
- L & A's Care LimitedCleaning companies
- Colton Brickwork LimitedInstallers
- Xpray Group LtdCleaning companies
- Precision Vehicle Solutions LtdMechanics and garages
- Kayb Paint Work LtdPainters and decorators
- Planted Spaces LtdLandscapers and gardeners
- Georgi Garage LtdMechanics and garages
Also registered at this address
16 other companies use the same registered office as JMB Electrical (UK) Limited.
- Aspects Building and Maintenance LimitedBuilders
- C.P. Martin Reinforcements LtdBuilders
- Cambs. Injector Services LtdMechanics and garages
- Chapman's Garage LimitedMechanics and garages
- Chelsea Composites Ltd.Mechanics and garages
- Churton Master Thatchers Ltd.Roofers
- Colton Brickwork LimitedInstallers
- Dave Martin Electrical LimitedElectricians
- DSJ Jet Tech Int LimitedMachinery repair and installation
- Herts & Essex Restoration & Glazing LtdSpecialist contractors
- Michael Caine Motorsport Ltd.Motor traders
- NF Associates LimitedPlumbers and heating engineers
- Premier Motor Vehicle Servicing LtdMechanics and garages
- Riley's Grounds Maintenance LtdLandscapers and gardeners
- Storrm Property Maintenance Ltd.Finishing trades
- Terry's Electrical Services Ltd.Electricians
What happens if JMB Electrical (UK) Limited 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
- 10953509
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 September 2017 (9 years ago)
- Registered office
- Unit 5, Avenue Business Park Brockley Road, Elsworth, Cambridge, CB23 4EY
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 7 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 Cambridge
Other active electrical contractors registered in Cambridge.
- JSL Electrical Services Ltd2013
- Justin Yates Electrical Limited2018
- K-Electrical and Renewable Energy Solutions Ltd2014
- Keates & Hills Services Ltd2021
- Kingston Electrical Limited2014
- KJ Electrical Services & Renewables Ltd2026
- L.C. Electrical Contractors Limited2013
- Lumo Energy Limited2023
All electrical contractors in Cambridge · All trades in Cambridge · Electricians across the UK
Frequently asked questions
When are JMB Electrical (UK) Limited's accounts due?
JMB Electrical (UK) Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is JMB Electrical (UK) Limited'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 JMB Electrical (UK) Limited still trading?
JMB Electrical (UK) Limited is listed as active on the Companies House register (checked 13 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 JMB Electrical (UK) Limited do?
JMB Electrical (UK) Limited is registered under Electrical installation (SIC 43210).
How old is JMB Electrical (UK) Limited?
JMB Electrical (UK) Limited was incorporated on 8 September 2017, 9 years ago.
What is the penalty if JMB Electrical (UK) Limited 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 JMB Electrical (UK) Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.