- Companies
- Civil engineering
- Birmingham
- T6Yja Limited
T6Yja Limited
- Company number
- 16917121
- Incorporated
- 17 Dec 2025
- Registered office
- 52 Tideswell Road, Birmingham, B42 2DT
- Nature of business
- Construction of other civil engineering projects n.e.c.
T6Yja Limited is a newly incorporated private limited company registered in Birmingham, company number 16917121, one of 278 civil engineering contractors in Birmingham. Its next accounts are due at Companies House on 17 September 2027, and its first CT600 is due at HMRC on 16 December 2027.
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 T6Yja Limited is registered
The registered office is in Birmingham (B42), in the Birmingham local authority area, West Midlands. Show B42 2DT on a map.
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What happens if T6Yja 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 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 18 Sep 2027 to 17 Oct 2027 | £150 |
| 1 to 3 months late | 18 Oct 2027 to 17 Dec 2027 | £375 |
| 3 to 6 months late | 18 Dec 2027 to 17 Mar 2028 | £750 |
| More than 6 months late | From 18 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 2028 | 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
- 16917121
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 December 2025
- Registered office
- 52 Tideswell Road, Birmingham, B42 2DT
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 December (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 Birmingham
Other active civil engineering contractors registered in Birmingham.
- Taif Construction Ltd2025
- Tamil Engineers Ltd2025
- Tarite Construction Limited1988
- Tatung (U.K.) Limited1980
- Thda Projects Limited2010
- Tifand Limited2020
- Timmins Demolition Services Ltd2017
- Tonea TM Ltd2024
All civil engineering contractors in Birmingham · All trades in Birmingham · Civil engineering across the UK
Frequently asked questions
When are T6Yja Limited's accounts due?
T6Yja Limited's next accounts are due at Companies House by 17 September 2027 (in 339 days), covering the period to 31 December 2026.
When is T6Yja 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 December 2026, due by 16 December 2027, and one for the period to 31 December 2026, due by 31 December 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is T6Yja Limited still trading?
T6Yja 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 T6Yja Limited do?
T6Yja Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is T6Yja Limited?
T6Yja Limited was incorporated on 17 December 2025, less than a year ago.
What is the penalty if T6Yja 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 T6Yja 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.