- Companies
- Electricians
- Swansea
- MJB Electrical & Solar Services Ltd
MJB Electrical & Solar Services Ltd
- Company number
- 07945591
- Incorporated
- 10 Feb 201214 years trading
- Registered office
- 25 Picket Mead Road, Newton, Swansea, SA3 4SA
- Nature of business
- Electrical installation
MJB Electrical & Solar Services Ltd is a 14-year-old private limited company registered in Swansea, company number 07945591, one of 148 electrical contractors in Swansea. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 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 £22K (-71.3%) on the year before, to £8,699.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £57K against £74K owed within a year: 0.8 times cover.
- 7 employees on average, up from 6 the year before.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2025 | £8,699 | £57K | £74K | 7 | |
| 29 Feb 2024 | £30K | £70K | £63K | 6 | |
| 28 Feb 2023 | £13K | £55K | £62K | 7 | |
| 28 Feb 2022 | £25K | £88K | £70K | 7 | |
| 28 Feb 2021 | -£845 | £128K | £107K | 6 | |
| 29 Feb 2020 | £14K | £77K | £91K | 4 | |
| 28 Feb 2019 | £10K | £65K | £82K | 4 | |
| 28 Feb 2018 | £20K | £49K | £53K | 3 | |
| 28 Feb 2017 | £30K | £58K | £54K | 3 | |
| 29 Feb 2016 | £1,358 | £17K | £37K | £58K |
Where MJB Electrical & Solar Services Ltd is registered
The registered office is in Swansea (SA3), in the Swansea local authority area, Wales. Show SA3 4SA on a map.
Other trade companies in SA3
- Laxlets LtdProperty developers
- Soulterra LtdProperty developers
- JCR Co1 LtdBuilders
- Gower Refrigeration and Air Conditioning LtdPlumbers and heating engineers
- JH Energy Engineering LtdProperty developers
- GHL CC LtdFloor and wall tilers
- Greenwarm CyfSpecialist contractors
- Jam Co1 LtdProperty developers
What happens if MJB Electrical & Solar Services 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 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 07945591
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 February 2012 (14 years ago)
- Registered office
- 25 Picket Mead Road, Newton, Swansea, SA3 4SA
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 29 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 16 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 Swansea
Other active electrical contractors registered in Swansea.
- MJW Electrical (UK) Ltd2009
- Morstone Electrical Ltd2026
- MV Voltmasters Ltd2025
- Mylesjenkins Electrical Limited2023
- Natec Electrical Solutions Limited2013
- NDW Electrical Services Ltd2015
- Novasol Energy Ltd2025
- Oni Electrical Ltd2019
All electrical contractors in Swansea · All trades in Swansea · Electricians across the UK
Frequently asked questions
When are MJB Electrical & Solar Services Ltd's accounts due?
MJB Electrical & Solar Services Ltd's next accounts are due at Companies House by 30 November 2026 (in 48 days), covering the period to 28 February 2026.
When is MJB Electrical & Solar Services Ltd's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is MJB Electrical & Solar Services Ltd still trading?
MJB Electrical & Solar Services 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 MJB Electrical & Solar Services Ltd do?
MJB Electrical & Solar Services Ltd is registered under Electrical installation (SIC 43210).
How old is MJB Electrical & Solar Services Ltd?
MJB Electrical & Solar Services Ltd was incorporated on 10 February 2012, 14 years ago.
What is the penalty if MJB Electrical & Solar Services 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 MJB Electrical & Solar Services 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.