- Companies
- Civil engineering
- Cardiff
- Tekniq Engineering Ltd
Tekniq Engineering Ltd
- Company number
- 17257686
- Incorporated
- 3 Jun 2026
- Registered office
- 7 Edington Avenue, Cardiff, CF14 3QF
- Nature of business
- Construction of other civil engineering projects n.e.c.
Tekniq Engineering Ltd is a newly incorporated private limited company registered in Cardiff, company number 17257686, one of 89 civil engineering contractors in Cardiff. Its next accounts are due at Companies House on 3 March 2028, and its first CT600 is due at HMRC on 2 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 Tekniq Engineering Ltd is registered
The registered office is in Cardiff (CF14), in the Cardiff local authority area, Wales. Show CF14 3QF on a map.
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What happens if Tekniq Engineering 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 3 March 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 4 Mar 2028 to 3 Apr 2028 | £150 |
| 1 to 3 months late | 4 Apr 2028 to 3 Jun 2028 | £375 |
| 3 to 6 months late | 4 Jun 2028 to 3 Sep 2028 | £750 |
| More than 6 months late | From 4 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
- 17257686
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 3 June 2026
- Registered office
- 7 Edington Avenue, Cardiff, CF14 3QF
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 30 June (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 Cardiff
Other active civil engineering contractors registered in Cardiff.
- Thane Cemetery Supplies Limited2006
- Thortech International Ltd2023
- To Solutions Ltd2026
- Trojan Fibre Service Ltd2023
- Trusthouse Construction Limited2001
- Ukff Solutions Ltd2005
- Velox Communications Ltd2021
- Viking Civil Engineering Ltd2017
All civil engineering contractors in Cardiff · All trades in Cardiff · Civil engineering across the UK
Frequently asked questions
When are Tekniq Engineering Ltd's accounts due?
Tekniq Engineering Ltd's next accounts are due at Companies House by 3 March 2028 (in 507 days), covering the period to 30 June 2027.
When is Tekniq Engineering 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 2 June 2027, due by 2 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 Tekniq Engineering Ltd still trading?
Tekniq Engineering 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 Tekniq Engineering Ltd do?
Tekniq Engineering Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Tekniq Engineering Ltd?
Tekniq Engineering Ltd was incorporated on 3 June 2026, less than a year ago.
What is the penalty if Tekniq Engineering 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 Tekniq Engineering 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.