- Companies
- Electricians
- Maidenhead
- Sparks MK Ltd
Sparks MK Ltd
- Company number
- 16092192
- Incorporated
- 20 Nov 20241 year trading
- Registered office
- 1 1 Marigold House, Wallingford Way, Maidenhead, SL6 1GG
- Nature of business
- Electrical installation
Sparks MK Ltd is a 1-year-old private limited company registered in Maidenhead, company number 16092192, one of 62 electrical contractors in Maidenhead. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 30 November 2025, as filed at Companies House.
Where Sparks MK Ltd is registered
The registered office is in Maidenhead (SL6), in the Windsor and Maidenhead local authority area, South East. Show SL6 1GG on a map.
Other trade companies in SL6
- B&M Cleaning Solutions LtdCleaning companies
- CC Garden Builds LtdBuilders
- Austin Groundwork Surfaces LimitedGroundworks and demolition
- Woodnest Interiors LtdJoiners and carpenters
- Carizmatic Company LimitedMotor traders
- Sakura Electrical LtdElectricians
- Elite Autos & Tyres LtdMotor traders
- Bigfrith End LtdSpecialist contractors
What happens if Sparks MK 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 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 16092192
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 November 2024 (1 year ago)
- Registered office
- 1 1 Marigold House, Wallingford Way, Maidenhead, SL6 1GG
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 18 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 Maidenhead
Other active electrical contractors registered in Maidenhead.
- Sword Services Limited2004
- Tab Solutions Limited2014
- Terry Eames Fire & Security Limited2000
- Thames Valley Electricians Limited2013
- Tom Williams Electrical Ltd2021
- Total Electric Services UK Limited2009
- Trinity Controls Integrated Services Ltd2023
- Trinity Controls Limited2002
All electrical contractors in Maidenhead · All trades in Maidenhead · Electricians across the UK
Frequently asked questions
When are Sparks MK Ltd's accounts due?
Sparks MK Ltd's next accounts are due at Companies House by 31 August 2027 (in 323 days), covering the period to 30 November 2026.
When is Sparks MK Ltd's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is Sparks MK Ltd still trading?
Sparks MK 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 Sparks MK Ltd do?
Sparks MK Ltd is registered under Electrical installation (SIC 43210).
How old is Sparks MK Ltd?
Sparks MK Ltd was incorporated on 20 November 2024, 1 year ago.
What is the penalty if Sparks MK 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 Sparks MK 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.