- Companies
- Civil engineering
- Swansea
- Trident Infrastructure Projects Ltd
Trident Infrastructure Projects Ltd
- Company number
- 17484398
- Incorporated
- 27 Sep 2026
- Registered office
- 44 Cefn Stylle Road, Gowerton, Swansea, SA4 3QS
- Nature of business
- Construction of other civil engineering projects n.e.c.; Engineering design activities for industrial process and production
Trident Infrastructure Projects Ltd is a newly incorporated private limited company registered in Swansea, company number 17484398, one of 71 civil engineering contractors in Swansea. Its next accounts are due at Companies House on 27 June 2028, and its first CT600 is due at HMRC on 26 September 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.
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Where Trident Infrastructure Projects Ltd is registered
The registered office is in Swansea (SA4), in the Swansea local authority area, Wales. Show SA4 3QS on a map.
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What happens if Trident Infrastructure Projects 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 27 June 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 28 Jun 2028 to 27 Jul 2028 | £150 |
| 1 to 3 months late | 28 Jul 2028 to 27 Sep 2028 | £375 |
| 3 to 6 months late | 28 Sep 2028 to 27 Dec 2028 | £750 |
| More than 6 months late | From 28 Dec 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2028 | £200 |
| 3 months late | 30 Dec 2028 | another £200 |
| 6 months late | 30 Mar 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 17484398
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 27 September 2026
- Registered office
- 44 Cefn Stylle Road, Gowerton, Swansea, SA4 3QS
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
Engineering design activities for industrial process and production (SIC 71121) - Year end
- 30 September (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Swansea
Other active civil engineering contractors registered in Swansea.
- WCJ Utilities Limited2019
- Western Cape Construction & Utilities Group Ltd2020
- A J Platinum Groundworks Ltd2025
- Ad Technique Ltd2021
- Agc Engineering Services Ltd2025
- Ajsl Engineering Limited2017
- Akrivia Engineering Ltd2016
- Aquasol Water Systems Ltd2017
All civil engineering contractors in Swansea · All trades in Swansea · Civil engineering across the UK
Frequently asked questions
When are Trident Infrastructure Projects Ltd's accounts due?
Trident Infrastructure Projects Ltd's next accounts are due at Companies House by 27 June 2028 (in 624 days), covering the period to 30 September 2027.
When is Trident Infrastructure Projects 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 26 September 2027, due by 26 September 2028, and one for the period to 30 September 2027, due by 30 September 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Trident Infrastructure Projects Ltd still trading?
Trident Infrastructure Projects 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 Trident Infrastructure Projects Ltd do?
Trident Infrastructure Projects Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990); Engineering design activities for industrial process and production (SIC 71121).
How old is Trident Infrastructure Projects Ltd?
Trident Infrastructure Projects Ltd was incorporated on 27 September 2026, less than a year ago.
What is the penalty if Trident Infrastructure Projects 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 Trident Infrastructure Projects 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.