- Companies
- Groundworks and demolition
- Hengoed
- Trident Drilling Ltd
Trident Drilling Ltd
- Company number
- 17291577
- Incorporated
- 21 Jun 2026
- Registered office
- 55 Birch Crescent, Cefn Hengoed, Hengoed, CF82 7LJ
- Nature of business
- Test drilling and boring; Other engineering activities
Trident Drilling Ltd is a newly incorporated private limited company registered in Hengoed, company number 17291577, one of the UK's groundworks and demolition companies. Its next accounts are due at Companies House on 21 March 2028, and its first CT600 is due at HMRC on 20 June 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 Drilling Ltd is registered
The registered office is in Hengoed (CF82), in the Caerphilly local authority area, Wales. Show CF82 7LJ on a map.
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What happens if Trident Drilling 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 21 March 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 22 Mar 2028 to 21 Apr 2028 | £150 |
| 1 to 3 months late | 22 Apr 2028 to 21 Jun 2028 | £375 |
| 3 to 6 months late | 22 Jun 2028 to 21 Sep 2028 | £750 |
| More than 6 months late | From 22 Sep 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2028 | £200 |
| 3 months late | 30 Sep 2028 | another £200 |
| 6 months late | 30 Dec 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 17291577
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 June 2026
- Registered office
- 55 Birch Crescent, Cefn Hengoed, Hengoed, CF82 7LJ
- Nature of business
- Test drilling and boring (SIC 43130)
Other engineering activities (SIC 71129) - Year end
- 30 June (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for groundworks and demolition companies
Groundworks and demolition companies tend to own heavy plant, so capital allowances and hire purchase liabilities show up in both the accounts and the CT600.
Similar companies in Hengoed
Other active groundworks and demolition companies registered in Hengoed.
- RVM Development Ltd2026
- Spartan Finishing and Groundworks Ltd2026
- RT Demo Ltd2026
- Demo Solutions Ltd2026
- Dave's Civils & Groundworks Ltd2026
- Seven Hills Plant Ltd2026
- Bayford Waste Clearance Ltd2026
- Westford Waste Clearance Ltd2026
All groundworks and demolition companies in Hengoed · All trades in Hengoed · Groundworks and demolition across the UK
Frequently asked questions
When are Trident Drilling Ltd's accounts due?
Trident Drilling Ltd's next accounts are due at Companies House by 21 March 2028 (in 526 days), covering the period to 30 June 2027.
When is Trident Drilling 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 20 June 2027, due by 20 June 2028, and one for the period to 30 June 2027, due by 30 June 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Trident Drilling Ltd still trading?
Trident Drilling 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 Drilling Ltd do?
Trident Drilling Ltd is registered under Test drilling and boring (SIC 43130); Other engineering activities (SIC 71129).
How old is Trident Drilling Ltd?
Trident Drilling Ltd was incorporated on 21 June 2026, less than a year ago.
What is the penalty if Trident Drilling 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 Drilling 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.