- Companies
- Electricians
- Sittingbourne
- CMJ Electrical Services Limited
CMJ Electrical Services Limited
- Company number
- 12866593
- Incorporated
- 8 Sep 20206 years trading
- Registered office
- 53 West Street, Sittingbourne, ME10 1AN
- Nature of business
- Electrical installation
CMJ Electrical Services Limited is a 6-year-old private limited company registered in Sittingbourne, company number 12866593, one of 66 electrical contractors in Sittingbourne. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 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 £37K (+158.2%) on the year before, to £13K.
- Net assets rose in 2 of 4 year-on-year comparisons on record.
- Current assets of £46K against £4,330 owed within a year: more than 10 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | £13K | £46K | £4,330 | 1 | |
| 30 Sep 2024 | -£23K | £19K | £21K | 1 | |
| 30 Sep 2023 | £5,584 | £39K | £19K | 1 | |
| 30 Sep 2022 | -£20K | £616 | £20K | 0 | |
| 30 Sep 2021 | £191 | £236 | £45 | 0 |
Where CMJ Electrical Services Limited is registered
The registered office is in Sittingbourne (ME10), in the Swale local authority area, South East. Show ME10 1AN on a map.
Other trade companies in ME10
- Arc - Accident Repair Centre Kent LtdMechanics and garages
- The Painting Doctor & Son LtdPainters and decorators
- Primitus Group LtdProperty developers
- Gock LtdMachinery repair and installation
- Motor Rituals LtdMechanics and garages
- Roadprotectshield LtdMechanics and garages
- Tada Cleans LimitedCleaning companies
- Viktor Fit Out LtdInstallers
Shared registered office
34 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 CMJ 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 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 12866593
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 September 2020 (6 years ago)
- Registered office
- 53 West Street, Sittingbourne, ME10 1AN
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 7 September 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 Sittingbourne
Other active electrical contractors registered in Sittingbourne.
- Cole Electrical Services Ltd2017
- CS Electrical (Electrical Contractors) Limited2003
- Cte Electrical Limited2019
- D Palliser Contractors Ltd2016
- DDD Design Limited2004
- Dey Electrical Ltd2016
- DJH Kent Ltd2023
- Dnse Ltd2025
All electrical contractors in Sittingbourne · All trades in Sittingbourne · Electricians across the UK
Frequently asked questions
When are CMJ Electrical Services Limited's accounts due?
CMJ Electrical Services Limited's next accounts are due at Companies House by 30 June 2027 (in 261 days), covering the period to 30 September 2026.
When is CMJ Electrical Services Limited's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is CMJ Electrical Services Limited still trading?
CMJ 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 CMJ Electrical Services Limited do?
CMJ Electrical Services Limited is registered under Electrical installation (SIC 43210).
How old is CMJ Electrical Services Limited?
CMJ Electrical Services Limited was incorporated on 8 September 2020, 6 years ago.
What is the penalty if CMJ 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 CMJ 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.