- Companies
- Electricians
- London
- Au Electrical Services Ltd
Au Electrical Services Ltd
- Company number
- 16919277
- Incorporated
- 18 Dec 2025
- Registered office
- 6 Dahlia Court, 1 Oatland Rise, London, E17 6GY
- Nature of business
- Electrical installation
Au Electrical Services Ltd is a newly incorporated private limited company registered in London, company number 16919277, one of 3,448 electrical contractors in London. Its next accounts are due at Companies House on 18 September 2027, and its first CT600 is due at HMRC on 17 December 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.
Is this your company?
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Where Au Electrical Services Ltd is registered
The registered office is in London (E17), in the Waltham Forest local authority area, London. Show E17 6GY on a map.
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What happens if Au 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 18 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 19 Sep 2027 to 18 Oct 2027 | £150 |
| 1 to 3 months late | 19 Oct 2027 to 18 Dec 2027 | £375 |
| 3 to 6 months late | 19 Dec 2027 to 18 Mar 2028 | £750 |
| More than 6 months late | From 19 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 16919277
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 December 2025
- Registered office
- 6 Dahlia Court, 1 Oatland Rise, London, E17 6GY
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 December (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 London
Other active electrical contractors registered in London.
- Aura Electrical and Renewables Ltd2026
- Auricle Smarthome Shop Ltd2023
- Autify Ltd2024
- Automate by Aquilatec Limited2017
- Automotive Fitting Ltd2021
- Autospark Engineering Ltd2024
- Aux88 Service Ltd2024
- Av & LED Ltd2025
All electrical contractors in London · All trades in London · Electricians across the UK
Frequently asked questions
When are Au Electrical Services Ltd's accounts due?
Au Electrical Services Ltd's next accounts are due at Companies House by 18 September 2027 (in 341 days), covering the period to 31 December 2026.
When is Au 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 17 December 2026, due by 17 December 2027, and one for the period to 31 December 2026, due by 31 December 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Au Electrical Services Ltd still trading?
Au 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 Au Electrical Services Ltd do?
Au Electrical Services Ltd is registered under Electrical installation (SIC 43210).
How old is Au Electrical Services Ltd?
Au Electrical Services Ltd was incorporated on 18 December 2025, less than a year ago.
What is the penalty if Au 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 Au 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.