- Companies
- Electricians
- Swansea
- Tri-Energy Ltd
Tri-Energy Ltd
- Company number
- 17393708
- Incorporated
- 11 Aug 2026
- Registered office
- Unit E4 Rainbow Business Centre, Swansea Enterprise Park, Swansea, SA7 9FP
- Nature of business
- Electrical installation
Tri-Energy Ltd is a newly incorporated private limited company registered in Swansea, company number 17393708, one of 148 electrical contractors in Swansea. Its next accounts are due at Companies House on 11 May 2028, and its first CT600 is due at HMRC on 10 August 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?
File the first accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Tri-Energy LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Where Tri-Energy Ltd is registered
The registered office is in Swansea (SA7), in the Swansea local authority area, Wales. Show SA7 9FP on a map.
Other trade companies in SA7
- Foundry & Co Construction LtdBuilders
- Pops Power Solutions LtdElectricians
- Perfect Roofing and Home Maintenance LimitedRoofers
- Eveo Engineering LtdElectricians
- Performance Bunker Liner LimitedSpecialist contractors
- Swan Roofing LimitedRoofers
- Air Conditioning & Heat Pumps LimitedPlumbers and heating engineers
- Ogm Pristine Cleaning LtdCleaning companies
What happens if Tri-Energy 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 11 May 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 12 May 2028 to 11 Jun 2028 | £150 |
| 1 to 3 months late | 12 Jun 2028 to 11 Aug 2028 | £375 |
| 3 to 6 months late | 12 Aug 2028 to 11 Nov 2028 | £750 |
| More than 6 months late | From 12 Nov 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2028 | £200 |
| 3 months late | 30 Nov 2028 | another £200 |
| 6 months late | 28 Feb 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 17393708
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 August 2026
- Registered office
- Unit E4 Rainbow Business Centre, Swansea Enterprise Park, Swansea, SA7 9FP
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 August (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 Swansea
Other active electrical contractors registered in Swansea.
- Truecore Electrics Ltd2025
- Trydan Engineering Ltd2024
- Ulex Energy Ltd2025
- Wave Energy Ltd2026
- Williams Electrical SW Ltd2023
- WLL Wanderer Holding Ltd2026
- A Bright Solution UK Limited2012
- A. & B. Electrics Limited2002
All electrical contractors in Swansea · All trades in Swansea · Electricians across the UK
Frequently asked questions
When are Tri-Energy Ltd's accounts due?
Tri-Energy Ltd's next accounts are due at Companies House by 11 May 2028 (in 576 days), covering the period to 31 August 2027.
When is Tri-Energy 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 10 August 2027, due by 10 August 2028, and one for the period to 31 August 2027, due by 31 August 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Tri-Energy Ltd still trading?
Tri-Energy 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 Tri-Energy Ltd do?
Tri-Energy Ltd is registered under Electrical installation (SIC 43210).
How old is Tri-Energy Ltd?
Tri-Energy Ltd was incorporated on 11 August 2026, less than a year ago.
What is the penalty if Tri-Energy 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 Tri-Energy 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.