- Companies
- Machinery repair and installation
- Brentford
- Dum Electrical Services Ltd
Dum Electrical Services Ltd
- Company number
- 17064904
- Incorporated
- 2 Mar 2026
- Registered office
- 23 Park Hill House, Brentford, TW8 9GN
- Nature of business
- Repair of electronic and optical equipment; Repair of electrical equipment; Electrical installation
Dum Electrical Services Ltd is a newly incorporated private limited company registered in Brentford, company number 17064904, one of 14 machinery repair and installation companies in Brentford. Its next accounts are due at Companies House on 2 December 2027, and its first CT600 is due at HMRC on 1 March 2028.
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.
Is this your company?
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Where Dum Electrical Services Ltd is registered
The registered office is in Brentford (TW8), in the Hounslow local authority area, London. Show TW8 9GN on a map.
Other trade companies in TW8
- Loft Algerie LtdMotor traders
- Redline Roofing and Construction LtdBuilders
- Skyracer LtdMotor traders
- Trueccraft Construction LimitedBuilders
- X2 Performance LtdMechanics and garages
- Velox Property LimitedBuilders
- Fastway Projects LtdBuilders
- Vertex Build Pro LtdBuilders
What happens if Dum Electrical Services 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 2 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 3 Dec 2027 to 2 Jan 2028 | £150 |
| 1 to 3 months late | 3 Jan 2028 to 2 Mar 2028 | £375 |
| 3 to 6 months late | 3 Mar 2028 to 2 Jun 2028 | £750 |
| More than 6 months late | From 3 Jun 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 17064904
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 2 March 2026
- Registered office
- 23 Park Hill House, Brentford, TW8 9GN
- Nature of business
- Repair of electronic and optical equipment (SIC 33130)
Repair of electrical equipment (SIC 33140)
Electrical installation (SIC 43210) - Year end
- 31 March (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for machinery repair and installation companies
Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.
Similar companies in Brentford
Other active machinery repair and installation companies registered in Brentford.
- GJ Williscroft Electrical Limited2001
- Gkarouzakis Engineering Services Limited2025
- Haavi Innovations Limited2018
- LB-Chancery Lane Ltd2023
- Portside Hub Ltd2026
- Roselliot Limited2025
- Roy Rees Limited2008
- Thames Tidal Engineering Ltd2026
All machinery repair and installation companies in Brentford · All trades in Brentford · Machinery repair and installation across the UK
Frequently asked questions
When are Dum Electrical Services Ltd's accounts due?
Dum Electrical Services Ltd's next accounts are due at Companies House by 2 December 2027 (in 416 days), covering the period to 31 March 2027.
When is Dum Electrical Services Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 1 March 2027, due by 1 March 2028, and one for the period to 31 March 2027, due by 31 March 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Dum Electrical Services Ltd still trading?
Dum Electrical Services 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 Dum Electrical Services Ltd do?
Dum Electrical Services Ltd is registered under Repair of electronic and optical equipment (SIC 33130); Repair of electrical equipment (SIC 33140); Electrical installation (SIC 43210).
How old is Dum Electrical Services Ltd?
Dum Electrical Services Ltd was incorporated on 2 March 2026, less than a year ago.
What is the penalty if Dum Electrical Services 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 Dum Electrical Services 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.