- Companies
- Electricians
- Derby
- Smart Sparx Electrical Services Ltd
Smart Sparx Electrical Services Ltd
- Company number
- 13352909
- Incorporated
- 22 Apr 20215 years trading
- Registered office
- 73 Marylebone Crescent, Derby, Derbyshire, DE22 4JX
- Nature of business
- Electrical installation
Smart Sparx Electrical Services Ltd is a 5-year-old private limited company registered in Derby, company number 13352909, one of 185 electrical contractors in Derby. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 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 £8,326 (-522.3%) on the year before, to -£6,732.
- Net assets rose in 1 of 3 year-on-year comparisons on record.
- Current assets of £12K against £19K owed within a year: 0.6 times cover.
- 1 employee on average, up from 0 the year before.
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2025 | -£6,732 | £1,120 | £12K | £19K | 1 |
| 30 Apr 2024 | £1,594 | £3,753 | £13K | £13K | 0 |
| 30 Apr 2023 | -£638 | £2,371 | £4,350 | 0 | |
| 30 Apr 2022 | £292 | £947 | £655 | 1 |
Where Smart Sparx Electrical Services Ltd is registered
The registered office is in Derby (DE22), in the Derby local authority area, East Midlands. Show DE22 4JX on a map.
Other trade companies in DE22
- Pulse Repairs LtdRepair services
- Liberty Autos Export LimitedMotor traders
- The Motor Bloke LimitedMechanics and garages
- JK Rapid Recovey LtdMachinery repair and installation
- Premier Rail Projects LtdMachinery repair and installation
- DWT and Sons LtdBuilders
- Hadi Auto Restore LtdMechanics and garages
- S8 Elec LtdElectricians
What happens if Smart Sparx Electrical 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 31 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 13352909
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 April 2021 (5 years ago)
- Registered office
- 73 Marylebone Crescent, Derby, Derbyshire, DE22 4JX
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 21 April 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 Derby
Other active electrical contractors registered in Derby.
- SP Electrical Contracting Services Ltd2026
- Stenad Group Ltd2026
- Sutton Johal Building Services Ltd2008
- T Nicholson Electrical Ltd2025
- Technical Power and Maintenance Limited2009
- Tectonic Electrical Limited2006
- Tokengrove Electrical Limited1992
- TPW Electrical Contractor Limited2026
All electrical contractors in Derby · All trades in Derby · Electricians across the UK
Frequently asked questions
When are Smart Sparx Electrical Services Ltd's accounts due?
Smart Sparx Electrical Services Ltd's next accounts are due at Companies House by 31 January 2027 (in 110 days), covering the period to 30 April 2026.
When is Smart Sparx Electrical Services Ltd's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is Smart Sparx Electrical Services Ltd still trading?
Smart Sparx Electrical 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 Smart Sparx Electrical Services Ltd do?
Smart Sparx Electrical Services Ltd is registered under Electrical installation (SIC 43210).
How old is Smart Sparx Electrical Services Ltd?
Smart Sparx Electrical Services Ltd was incorporated on 22 April 2021, 5 years ago.
What is the penalty if Smart Sparx Electrical 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 Smart Sparx Electrical 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.