- Companies
- Electricians
- Swansea
- Oni Electrical Ltd
Oni Electrical Ltd
- Company number
- 12105596
- Incorporated
- 16 Jul 20197 years trading
- Registered office
- 71 Heol Gwyrosydd, Penlan, Swansea, SA5 7BY
- Nature of business
- Electrical installation
Oni Electrical Ltd is a 7-year-old private limited company registered in Swansea, company number 12105596, one of 148 electrical contractors in Swansea. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 2027.
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 £5,297 (-16%) on the year before, to £28K.
- Net assets rose in 3 of 5 year-on-year comparisons on record.
- Current assets of £21K against £4,388 owed within a year: 4.9 times cover.
- 2 employees on average, up from -3 the year before.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2025 | £28K | £21K | £4,388 | 2 | |
| 31 Jul 2024 | £33K | £23K | £7,042 | -3 | |
| 31 Jul 2023 | £12K | £23K | -2 | ||
| 31 Jul 2022 | £23K | £12K | £17K | £459 | 3 |
| 31 Jul 2021 | £13K | £4,329 | £13K | £1,053 | 3 |
| 31 Jul 2020 | £10K | £3,749 | £15K | £4,767 | 3 |
Where Oni Electrical Ltd is registered
The registered office is in Swansea (SA5), in the Swansea local authority area, Wales. Show SA5 7BY on a map.
Other trade companies in SA5
- Lee.T73 Rail LtdCivil engineering
- LJ Cleaning Swansea LimitedCleaning companies
- Same Day Roof Repairs Swansea LtdRoofers
- Warlow&Co LimitedProperty developers
- RNJ Vehicle Repairs LtdMechanics and garages
- Erj's Recovery and Transportation LtdMotor traders
- Brandrick Group LimitedElectricians
- Chris Chambers Holdings LimitedElectricians
What happens if Oni Electrical 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 30 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 12105596
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 July 2019 (7 years ago)
- Registered office
- 71 Heol Gwyrosydd, Penlan, Swansea, SA5 7BY
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 13 July 2025
- Previous names
- Oni Elecrical Ltd (until 29 Jul 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 Swansea
Other active electrical contractors registered in Swansea.
- Pendragon Electrical Ltd2022
- Phasor Services Limited2003
- Phillips Services (Wales) Limited1969
- Pioneer Electrical Installations Limited2008
- Polaris Vehicle Solutions Limited2018
- Pops Power Solutions Ltd2026
- Power Plan Electrical & Property Services Ltd2020
- R & R Smart Solutions Limited2022
All electrical contractors in Swansea · All trades in Swansea · Electricians across the UK
Frequently asked questions
When are Oni Electrical Ltd's accounts due?
Oni Electrical Ltd's next accounts are due at Companies House by 30 April 2027 (in 200 days), covering the period to 31 July 2026.
When is Oni Electrical Ltd's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is Oni Electrical Ltd still trading?
Oni Electrical Ltd is listed as active on the Companies House register (checked 12 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 Oni Electrical Ltd do?
Oni Electrical Ltd is registered under Electrical installation (SIC 43210).
How old is Oni Electrical Ltd?
Oni Electrical Ltd was incorporated on 16 July 2019, 7 years ago.
What is the penalty if Oni Electrical 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 Oni Electrical Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.