- Companies
- Electricians
- Hayes
- SDS Sparks Ltd
SDS Sparks Ltd
- Company number
- 10624452
- Incorporated
- 16 Feb 20179 years trading
- Registered office
- 35 Park Lane, Hayes, Middlesex, UB4 8AB
- Nature of business
- Electrical installation
SDS Sparks Ltd is a 9-year-old private limited company registered in Hayes, company number 10624452, one of 60 electrical contractors in Hayes. 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.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for SDS Sparks LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 £326 (-9.3%) on the year before, to -£3,833.
- Net assets rose in 3 of 9 year-on-year comparisons on record.
- Current assets of £3,144 against £825 owed within a year: 3.8 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 10 years, 2018 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2025 | -£3,833 | £2,648 | £3,144 | £825 | 0 |
| 29 Feb 2024 | -£3,507 | £4,170 | £4,330 | £1,785 | 0 |
| 28 Feb 2024 | -£3,507 | £4,170 | £4,330 | £1,785 | 0 |
| 28 Feb 2023 | -£4,632 | £3,000 | £3,175 | £2,585 | 0 |
| 28 Feb 2022 | -£475 | £4,760 | £4,920 | £879 | 0 |
| 28 Feb 2021 | -£3,801 | £7,351 | £7,651 | £125 | 0 |
| 29 Feb 2020 | -£6,872 | £980 | £1,100 | £85 | 0 |
| 28 Feb 2020 | -£6,872 | £980 | £1,100 | £85 | 0 |
| 28 Feb 2019 | -£4,439 | £233 | £833 | £120 | |
| 28 Feb 2018 | -£3,403 | £212 | £432 | £152 |
Who runs and owns SDS Sparks Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| S*** J*** | Director | Feb 2017 |
Person with significant control
Where SDS Sparks Ltd is registered
The registered office is in Hayes (UB4), in the Hillingdon local authority area, London. Show UB4 8AB on a map.
Other trade companies in UB4
- J A M Building Services LtdProperty developers
- Bhindi Construction LtdBuilders
- Ij&Co Services LimitedMotor traders
- SKM Builders1 LtdBuilders
- Jap Parts and More LtdMotor traders
- Onlytiler13 Pannu LtdFloor and wall tilers
- J.K & Sons Roofing LtdRoofers
- Randhawa Construction Services LtdBuilders
What happens if SDS Sparks 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 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
- 10624452
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 February 2017 (9 years ago)
- Registered office
- 35 Park Lane, Hayes, Middlesex, UB4 8AB
- 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
- 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 Hayes
Other active electrical contractors registered in Hayes.
- Shayen Ltd2021
- Shimmy Electrical Ltd2026
- Sparky Brothers Limited2025
- SSS Electrics Ltd2025
- Sukh Electrical Services Ltd2025
- Swift Power Electrical Services Ltd2024
- TB10 Electrical Ltd2025
- Unit Fixed Limited2021
All electrical contractors in Hayes · All trades in Hayes · Electricians across the UK
Frequently asked questions
When are SDS Sparks Ltd's accounts due?
SDS Sparks Ltd's next accounts are due at Companies House by 30 November 2026 (in 48 days), covering the period to 28 February 2026.
When is SDS Sparks Ltd'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 SDS Sparks Ltd still trading?
SDS Sparks 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 SDS Sparks Ltd do?
SDS Sparks Ltd is registered under Electrical installation (SIC 43210).
How old is SDS Sparks Ltd?
SDS Sparks Ltd was incorporated on 16 February 2017, 9 years ago.
Who runs SDS Sparks Ltd?
SDS Sparks Ltd has 1 active director, the longest-serving appointed in Feb 2017. Their names and service addresses are on the Companies House register.
Who owns SDS Sparks Ltd?
One person or company has significant control of SDS Sparks Ltd: an individual (owns 75% or more of the shares).
What is the penalty if SDS Sparks 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 SDS Sparks 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.