- Companies
- Civil engineering
- Pontyclun
- Unwaith Eto Limited
Unwaith Eto Limited
- Company number
- 16969621
- Incorporated
- 17 Jan 2026
- Registered office
- 26 Larch Drive, Cross Inn, Pontyclun, CF72 8NL
- Nature of business
- Construction of railways and underground railways
Unwaith Eto Limited is a newly incorporated private limited company registered in Pontyclun, company number 16969621, one of 11 civil engineering contractors in Pontyclun. Its next accounts are due at Companies House on 17 October 2027, and its first CT600 is due at HMRC on 16 January 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 Unwaith Eto Limited is registered
The registered office is in Pontyclun (CF72), in the Rhondda Cynon Taf local authority area, Wales. Show CF72 8NL on a map.
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Also registered at this address
1 other company uses the same registered office as Unwaith Eto Limited.
- Planesight LtdCivil engineering
What happens if Unwaith Eto Limited 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 17 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 18 Oct 2027 to 17 Nov 2027 | £150 |
| 1 to 3 months late | 18 Nov 2027 to 17 Jan 2028 | £375 |
| 3 to 6 months late | 18 Jan 2028 to 17 Apr 2028 | £750 |
| More than 6 months late | From 18 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2028 | £200 |
| 3 months late | 30 Apr 2028 | another £200 |
| 6 months late | 31 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 16969621
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 January 2026
- Registered office
- 26 Larch Drive, Cross Inn, Pontyclun, CF72 8NL
- Nature of business
- Construction of railways and underground railways (SIC 42120)
- Year end
- 31 January (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 Pontyclun
Other active civil engineering contractors registered in Pontyclun.
- Winshall Ltd2021
- DV Engineering Management Ltd2024
- Horizon Civil Engineering Limited2008
- Intervention Services Limited2002
- JF Groundworks Ltd2025
- KR Cables Ltd2025
- Linelevel Ltd2025
- M J Wilson Contracting Ltd2020
All civil engineering contractors in Pontyclun · All trades in Pontyclun · Civil engineering across the UK
Frequently asked questions
When are Unwaith Eto Limited's accounts due?
Unwaith Eto Limited's next accounts are due at Companies House by 17 October 2027 (in 369 days), covering the period to 31 January 2027.
When is Unwaith Eto Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 16 January 2027, due by 16 January 2028, and one for the period to 31 January 2027, due by 31 January 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Unwaith Eto Limited still trading?
Unwaith Eto Limited 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 Unwaith Eto Limited do?
Unwaith Eto Limited is registered under Construction of railways and underground railways (SIC 42120).
How old is Unwaith Eto Limited?
Unwaith Eto Limited was incorporated on 17 January 2026, less than a year ago.
What is the penalty if Unwaith Eto Limited 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 Unwaith Eto Limited 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.