- Companies
- Electricians
- Slough
- CJ Electrical Services Limited
CJ Electrical Services Limited
- Company number
- 04590419
- Incorporated
- 14 Nov 200223 years trading
- Registered office
- Herschel House Herschel House, 58 Herschel Street, Slough, Berkshire, SL1 1PG
- Nature of business
- Electrical installation
CJ Electrical Services Limited is a 23-year-old private limited company registered in Slough, company number 04590419, one of 101 electrical contractors in Slough. 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 up £196K (+31.8%) on the year before, to £810K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £1.1M against £382K owed within a year: 3.0 times cover.
- 4 employees 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 |
|---|---|---|---|---|---|
| 28 Feb 2025 | £810K | £427K | £1.1M | £382K | 4 |
| 29 Feb 2024 | £614K | £303K | £933K | £355K | 4 |
| 28 Feb 2023 | £364K | £121K | £863K | £512K | 4 |
| 28 Feb 2022 | £394K | £271K | £1M | £653K | 4 |
| 28 Feb 2021 | £222K | £121K | £526K | £335K | 3 |
| 29 Feb 2020 | £152K | £233K | £427K | £292K | 1 |
| 28 Feb 2019 | £245K | £196K | £536K | £312K | 1 |
| 28 Feb 2018 | £137K | £233K | £494K | £344K | 1 |
| 28 Feb 2017 | £109K | £43K | £247K | £129K | 2 |
| 29 Feb 2016 | £206K | £87K | £396K | £193K |
Where CJ Electrical Services Limited is registered
The registered office is in Slough (SL1), in the Slough local authority area, South East. Show SL1 1PG on a map.
Other trade companies in SL1
- Yanky Construction LtdBuilders
- Westside Automotive LtdMotor traders
- Shadeworks LtdInstallers
- Yad Building Services LimitedBuilders
- Slough Vehicle Repair Centre LtdMechanics and garages
- Hadi Automotive LtdMotor traders
- Imperial Berkshire Motors LtdMotor traders
- MDN General LtdBuilders
What happens if CJ 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 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
- 04590419
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 November 2002 (23 years ago)
- Registered office
- Herschel House Herschel House, 58 Herschel Street, Slough, Berkshire, SL1 1PG
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 14 November 2025
- Charges (mortgages)
- 0 outstanding of 1 registered
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 Slough
Other active electrical contractors registered in Slough.
- Clean Wave Energy Ltd2022
- Clever Light Ltd2019
- Coolplanet Ltd2022
- Cube Interiors & Refurbishment Ltd2018
- D. James Graham Electrical Ltd2018
- Dalectrics Ltd2024
- DB Electrical Services (Berks) Ltd2026
- Ekon Electrics Ltd2026
All electrical contractors in Slough · All trades in Slough · Electricians across the UK
Frequently asked questions
When are CJ Electrical Services Limited's accounts due?
CJ Electrical Services Limited's next accounts are due at Companies House by 30 November 2026 (in 48 days), covering the period to 28 February 2026.
When is CJ Electrical Services Limited'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 CJ Electrical Services Limited still trading?
CJ 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 CJ Electrical Services Limited do?
CJ Electrical Services Limited is registered under Electrical installation (SIC 43210).
How old is CJ Electrical Services Limited?
CJ Electrical Services Limited was incorporated on 14 November 2002, 23 years ago.
What is the penalty if CJ 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 CJ 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.