- Companies
- Electricians
- Slough
- Maddeux Limited
Maddeux Limited
- Company number
- 16869777
- Incorporated
- 23 Nov 2025
- Registered office
- 87 Lent Rise Road, Burnham, Slough, SL1 7NY
- Nature of business
- Electrical installation; Other building completion and finishing; Combined facilities support activities; Other service activities n.e.c.
Maddeux Limited is a newly incorporated private limited company registered in Slough, company number 16869777, one of 101 electrical contractors in Slough. Its next accounts are due at Companies House on 23 August 2027, and its first CT600 is due at HMRC on 22 November 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where Maddeux Limited is registered
The registered office is in Slough (SL1), in the Buckinghamshire local authority area, South East. Show SL1 7NY on a map.
Other trade companies in SL1
- Yanky Construction LtdBuilders
- Westside Automotive LtdMotor traders
- Shadeworks LtdInstallers
- Yad Building Services LimitedBuilders
- Slough Vehicle Repair Centre LtdMechanics and garages
- Hadi Automotive LtdMotor traders
- Imperial Berkshire Motors LtdMotor traders
- MDN General LtdBuilders
Also registered at this address
1 other company uses the same registered office as Maddeux Limited.
- Zeus Electrical Nationwide LtdElectricians
What happens if Maddeux 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 23 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 24 Aug 2027 to 23 Sep 2027 | £150 |
| 1 to 3 months late | 24 Sep 2027 to 23 Nov 2027 | £375 |
| 3 to 6 months late | 24 Nov 2027 to 23 Feb 2028 | £750 |
| More than 6 months late | From 24 Feb 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
- 16869777
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 November 2025
- Registered office
- 87 Lent Rise Road, Burnham, Slough, SL1 7NY
- Nature of business
- Electrical installation (SIC 43210)
Other building completion and finishing (SIC 43390)
Combined facilities support activities (SIC 81100)
Other service activities n.e.c. (SIC 96090) - Year end
- 30 November (accounting reference date)
- Accounts type
- No accounts filed yet
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 Slough
Other active electrical contractors registered in Slough.
- Mako Electrical Services Ltd2022
- Manara Infra-Tech Global Ltd2025
- Mann Trade Services Limited2026
- MBC Electrical Ltd2023
- Mbe Installation Services Limited2003
- Miedan Electrical Limited2017
- MPJ Electrical Ltd2017
- MTN Electronics Ltd2019
All electrical contractors in Slough · All trades in Slough · Electricians across the UK
Frequently asked questions
When are Maddeux Limited's accounts due?
Maddeux Limited's next accounts are due at Companies House by 23 August 2027 (in 315 days), covering the period to 30 November 2026.
When is Maddeux Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 22 November 2026, due by 22 November 2027, and one for the period to 30 November 2026, due by 30 November 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Maddeux Limited still trading?
Maddeux 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 Maddeux Limited do?
Maddeux Limited is registered under Electrical installation (SIC 43210); Other building completion and finishing (SIC 43390); Combined facilities support activities (SIC 81100); Other service activities n.e.c. (SIC 96090).
How old is Maddeux Limited?
Maddeux Limited was incorporated on 23 November 2025, less than a year ago.
What is the penalty if Maddeux 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 Maddeux 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.