- Companies
- Electricians
- Luton
- MJ Cox Electrical Services Limited
MJ Cox Electrical Services Limited
- Company number
- 07098996
- Incorporated
- 9 Dec 200916 years trading
- Registered office
- 17 Copthorne, Luton, LU2 8RL
- Nature of business
- Electrical installation
MJ Cox Electrical Services Limited is a 16-year-old private limited company registered in Luton, company number 07098996, one of 185 electrical contractors in Luton. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 £2,186 (-61.8%) on the year before, to £1,351.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £4,000 against £3,469 owed within a year: 1.2 times cover.
- 1 employee on average during the year.
- 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 |
|---|---|---|---|---|---|
| 31 Dec 2025 | £1,351 | £4,000 | £3,469 | 1 | |
| 31 Dec 2024 | £3,537 | £4,204 | £1,902 | 1 | |
| 31 Dec 2023 | £1,518 | £5,113 | £5,145 | 1 | |
| 31 Dec 2022 | £1,064 | £6,582 | £6,199 | 1 | |
| 31 Dec 2021 | £208 | £4,373 | £6,207 | 1 | |
| 31 Dec 2020 | -£2,347 | £735 | £3,082 | 1 | |
| 31 Dec 2019 | -£3,879 | £269 | £4,148 | 1 | |
| 31 Dec 2018 | -£5,156 | £389 | £5,545 | ||
| 31 Dec 2017 | -£3,137 | £2,109 | £5,246 | ||
| 31 Dec 2016 | -£3,820 | £1,628 | £5,448 |
Where MJ Cox Electrical Services Limited is registered
The registered office is in Luton (LU2), in the Luton local authority area, East of England. Show LU2 8RL on a map.
Other trade companies in LU2
- Arihant Property Solutions LtdProperty developers
- Prime Pest and Clean LimitedCleaning companies
- QVP Construction LtdBuilders
- Krozy Cleaninig Services LtdCleaning companies
- Iron Clad Construction Devon LimitedBuilders
- Tmi Motors LimitedMechanics and garages
- Scorpion Recovery LtdMechanics and garages
- Cos Plastering LtdBuilders
What happens if MJ Cox Electrical Services 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 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 07098996
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 December 2009 (16 years ago)
- Registered office
- 17 Copthorne, Luton, LU2 8RL
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 9 December 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 Luton
Other active electrical contractors registered in Luton.
- MK99 Electrotech Ltd2025
- MR Rad Electrician Limited2021
- MRJ Electricians Ltd2002
- MS Electron Electrical Ltd2020
- Muhss IT Serv Ltd2024
- Mym Solutions Ltd2024
- Nebulus Ltd2012
- Niko Electrical 1 Ltd2023
All electrical contractors in Luton · All trades in Luton · Electricians across the UK
Frequently asked questions
When are MJ Cox Electrical Services Limited's accounts due?
MJ Cox Electrical Services Limited's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is MJ Cox Electrical Services Limited's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is MJ Cox Electrical Services Limited still trading?
MJ Cox Electrical Services Limited 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 MJ Cox Electrical Services Limited do?
MJ Cox Electrical Services Limited is registered under Electrical installation (SIC 43210).
How old is MJ Cox Electrical Services Limited?
MJ Cox Electrical Services Limited was incorporated on 9 December 2009, 16 years ago.
What is the penalty if MJ Cox Electrical Services 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 MJ Cox Electrical Services Limited 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.