- Companies
- Electricians
- Richmond
- Doctor Sparky Limited
Doctor Sparky Limited
- Company number
- 07128884
- Incorporated
- 19 Jan 201016 years trading
- Registered office
- 2ND Floor Nucleus House, 2 Lower Mortlake Road, Richmond, TW9 2JA
- Nature of business
- Electrical installation
Doctor Sparky Limited is a 16-year-old private limited company registered in Richmond, company number 07128884, one of 30 electrical contractors in Richmond. Its next accounts are due at Companies House on 31 October 2027, and the CT600 for the period to 31 January 2027 is due at HMRC on 31 January 2028.
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 £12K on the year before, to £13K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £43K against £36K owed within a year: 1.2 times cover.
- 5 employees on average during the year.
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2026 | £13K | £43K | £36K | 5 | |
| 31 Jan 2025 | £1,079 | £42K | £39K | 5 | |
| 31 Jan 2024 | £3,355 | £68K | £53K | 5 | |
| 31 Jan 2023 | £2,018 | £75K | £54K | 5 | |
| 31 Jan 2022 | £15K | £81K | £38K | 5 | |
| 31 Jan 2021 | £6,484 | £73K | £26K | 5 | |
| 31 Jan 2020 | -£589 | £25K | £28K | 5 | |
| 31 Jan 2019 | £316 | £32K | £32K | ||
| 31 Jan 2018 | £880 | £21K | £22K | ||
| 31 Jan 2017 | £56 | £22K | £25K |
Who runs and owns Doctor Sparky Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| M*** F*** | Director | Jan 2010 |
| H*** S*** | Director | Jan 2010 |
People with significant control (2)
Where Doctor Sparky Limited is registered
The registered office is in Richmond (TW9), in the Richmond upon Thames local authority area, London. Show TW9 2JA on a map.
Other trade companies in TW9
- Prime Legacy Cleaning Services LtdCleaning companies
- Newman Roofing Building LtdBuilders
- Summit Industrial LtdRoofers
- Ecoclean2Go LtdCleaning companies
- T.A.S Management LtdProperty developers
- West360 Construction LtdBuilders
- Nexus Building Automation LtdBuilders
- Al Best Construction LimitedProperty developers
Also registered at this address
10 other companies use the same registered office as Doctor Sparky Limited.
- Ak-JK Cleaning Services LimitedCleaning companies
- Enise LimitedLandscapers and gardeners
- G. O. Dec LtdPainters and decorators
- Martin Rafferty Gardens LimitedLandscapers and gardeners
- Mobile Cycle Service LimitedMachinery repair and installation
- Notting Hill Building Consultancy LimitedProperty developers
- Partition Dismantling Services LimitedSpecialist contractors
- Phoenix Fencing Supplies LimitedLandscapers and gardeners
- Robe & Hitchens (Tudor) LimitedMechanics and garages
- Robert Clack Electrical Contracting LtdElectricians
What happens if Doctor Sparky 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 31 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2027 to 30 Nov 2027 | £150 |
| 1 to 3 months late | 1 Dec 2027 to 31 Jan 2028 | £375 |
| 3 to 6 months late | 1 Feb 2028 to 30 Apr 2028 | £750 |
| More than 6 months late | From 1 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2028 | £200 |
| 3 months late | 30 Apr 2028 | another £200 |
| 6 months late | 31 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 2029 | 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
- 07128884
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 January 2010 (16 years ago)
- Registered office
- 2ND Floor Nucleus House, 2 Lower Mortlake Road, Richmond, TW9 2JA
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2026
- Last confirmation statement
- 11 November 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 Richmond
Other active electrical contractors registered in Richmond.
- Flash Electric Services Ltd2025
- Fredflo Electrician Ltd2024
- Heron Contracting Limited2005
- J. M. Dale Limited2002
- Merrin Electrical Limited2013
- Michael Guy Electrical Limited2013
- Monar Engineering Services Limited1994
- Motts Electrical Services Limited2022
All electrical contractors in Richmond · All trades in Richmond · Electricians across the UK
Frequently asked questions
When are Doctor Sparky Limited's accounts due?
Doctor Sparky Limited's next accounts are due at Companies House by 31 October 2027 (in 383 days), covering the period to 31 January 2027.
When is Doctor Sparky Limited's CT600 due?
The CT600 for the period to 31 January 2027 is due at HMRC by 31 January 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2027.
Is Doctor Sparky Limited still trading?
Doctor Sparky 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 Doctor Sparky Limited do?
Doctor Sparky Limited is registered under Electrical installation (SIC 43210).
How old is Doctor Sparky Limited?
Doctor Sparky Limited was incorporated on 19 January 2010, 16 years ago.
Who runs Doctor Sparky Limited?
Doctor Sparky Limited has 2 active directors, the longest-serving appointed in Jan 2010. Their names and service addresses are on the Companies House register.
Who owns Doctor Sparky Limited?
2 people or companies have significant control of Doctor Sparky Limited: an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares).
What is the penalty if Doctor Sparky 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 Doctor Sparky 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.