- Companies
- Electricians
- Tunbridge Wells
- Sparkworx Ltd
Sparkworx Ltd
- Company number
- 12151836
- Incorporated
- 12 Aug 20197 years trading
- Registered office
- 35 Welbeck Avenue, Tunbridge Wells, TN4 9BD
- Nature of business
- Electrical installation; Computer facilities management activities; Other information technology service activities
Sparkworx Ltd is a 7-year-old private limited company registered in Tunbridge Wells, company number 12151836, one of 43 electrical contractors in Tunbridge Wells. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 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 £3,359 on the year before, to £3,366.
- Net assets rose in 2 of 5 year-on-year comparisons on record.
- Current assets of £6,759 against £7,113 owed within a year: 1.0 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | £3,366 | £6,759 | £7,113 | 1 | |
| 31 Aug 2024 | £7 | £7,363 | £2,309 | 1 | |
| 31 Aug 2023 | £2,463 | £1,670 | £1,544 | 0 | |
| 31 Aug 2022 | £527 | £1,897 | £5,481 | 0 | |
| 31 Aug 2021 | £2,887 | £2,896 | £5,000 | £5,653 | 1 |
| 31 Aug 2020 | £3,388 | £5,657 | £6,352 | £2,964 | 0 |
Where Sparkworx Ltd is registered
The registered office is in Tunbridge Wells (TN4), in the Tunbridge Wells local authority area, South East. Show TN4 9BD on a map.
Other trade companies in TN4
- Tonbridge Tiling Contractors LtdFloor and wall tilers
- Marlawn LimitedLandscapers and gardeners
- Carfreqz LtdMechanics and garages
- Rapid VS LimitedCleaning companies
- FFL (Edenbridge) LimitedProperty developers
- Laylee LtdMachinery repair and installation
- Space Decorating LtdBuilders
- We Spray Your Kitchen LtdPainters and decorators
What happens if Sparkworx 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 12151836
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 August 2019 (7 years ago)
- Registered office
- 35 Welbeck Avenue, Tunbridge Wells, TN4 9BD
- Nature of business
- Electrical installation (SIC 43210)
Computer facilities management activities (SIC 62030)
Other information technology service activities (SIC 62090) - Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 11 August 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 Tunbridge Wells
Other active electrical contractors registered in Tunbridge Wells.
- Spectrum Electrical & Building Ltd2024
- T&G Electrics (TW) Ltd2015
- TMM Renewables and Construction Limited2022
- Voltedge-Electrical Ltd2023
- Walters & Sons Electrical Contractors Ltd2021
- Wonacy Limited2025
- Ab Neon Electrical Contractors Ltd2025
- Ability Ltd2022
All electrical contractors in Tunbridge Wells · All trades in Tunbridge Wells · Electricians across the UK
Frequently asked questions
When are Sparkworx Ltd's accounts due?
Sparkworx Ltd's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is Sparkworx Ltd's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is Sparkworx Ltd still trading?
Sparkworx 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 Sparkworx Ltd do?
Sparkworx Ltd is registered under Electrical installation (SIC 43210); Computer facilities management activities (SIC 62030); Other information technology service activities (SIC 62090).
How old is Sparkworx Ltd?
Sparkworx Ltd was incorporated on 12 August 2019, 7 years ago.
What is the penalty if Sparkworx 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 Sparkworx 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.