- Companies
- Electricians
- London
- Ultimate London Ltd
Ultimate London Ltd
- Company number
- 09953632
- Incorporated
- 15 Jan 201610 years trading
- Registered office
- Ultimate Electrical Services, 61 Hibbert Road, London, HA3 7JU
- Nature of business
- Electrical installation; Plumbing, heat and air-conditioning installation; Private security activities; Security systems service activities
Ultimate London Ltd is a 10-year-old private limited company registered in London, company number 09953632, one of 3,448 electrical contractors in London. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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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 £4,857 (-77.9%) on the year before, to £1,376.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £55K against £57K owed within a year: 1.0 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £1,376 | £55K | £57K | 1 | |
| 31 Mar 2025 | £6,233 | £9,187 | £1,719 | 1 | |
| 31 Mar 2024 | £5,915 | £14K | £7,248 | 1 | |
| 31 Mar 2023 | £9,162 | £9,974 | £0 | 1 | |
| 31 Mar 2022 | £7,040 | £4,181 | £8,056 | £1,016 | 1 |
| 31 Mar 2021 | £11K | £27K | £27K | £15K | 1 |
| 31 Mar 2020 | £1,821 | £15K | £19K | £19K | 1 |
| 31 Mar 2019 | £4,545 | £19K | £20K | £20K | 1 |
| 31 Mar 2018 | £3,957 | £35K | £36K | £38K | 0 |
| 31 Mar 2017 | £174 | £11K | £14K | £14K | 1 |
Where Ultimate London Ltd is registered
The registered office is in London (HA3), in the Harrow local authority area, London. Show HA3 7JU on a map.
Other trade companies in HA3
- M&M Team Solutions LimitedCleaning companies
- Asr234 LimitedCivil engineering
- Shine Bright With NV LtdMechanics and garages
- Direct Sparks LtdMachinery repair and installation
- Meral Decoration & Maintenance LtdPainters and decorators
- Add22 LtdCivil engineering
- Floyd Cleaners LimitedCleaning companies
- Amalia&Ioana LimitedBuilders
What happens if Ultimate London 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 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 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
- 09953632
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 January 2016 (10 years ago)
- Registered office
- Ultimate Electrical Services, 61 Hibbert Road, London, HA3 7JU
- Nature of business
- Electrical installation (SIC 43210)
Plumbing, heat and air-conditioning installation (SIC 43220)
Private security activities (SIC 80100)
Security systems service activities (SIC 80200) - Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 14 January 2026
- Previous names
- Ultimate Electrical Services Ltd (until 12 Jun 2019)
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.
- Uma Energy Limited2016
- Umka Engineering Consultancy Ltd2019
- Un Electrical & Maintenance Ltd2026
- Unicelectric Ltd2017
- Unicontrol Limited2016
- Unicorn Electrical & Design Ltd2014
- Unicus Electrical Limited2016
- Unified Tech Solutions Ltd2026
All electrical contractors in London · All trades in London · Electricians across the UK
Frequently asked questions
When are Ultimate London Ltd's accounts due?
Ultimate London Ltd's next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.
When is Ultimate London Ltd's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is Ultimate London Ltd still trading?
Ultimate London 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 Ultimate London Ltd do?
Ultimate London Ltd is registered under Electrical installation (SIC 43210); Plumbing, heat and air-conditioning installation (SIC 43220); Private security activities (SIC 80100); Security systems service activities (SIC 80200).
How old is Ultimate London Ltd?
Ultimate London Ltd was incorporated on 15 January 2016, 10 years ago.
What is the penalty if Ultimate London 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 Ultimate London 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.