- Companies
- Civil engineering
- Sheffield
- Kinex Infrastructures Ltd
Kinex Infrastructures Ltd
- Company number
- 16438935
- Incorporated
- 8 May 20251 year trading
- Registered office
- 31 Studfield Road, Sheffield, S6 4ST
- Nature of business
- Construction of utility projects for electricity and telecommunications
Kinex Infrastructures Ltd is a 1-year-old private limited company registered in Sheffield, company number 16438935, one of 107 civil engineering contractors in Sheffield. Its next accounts are due at Companies House on 8 February 2027, and its first CT600 is due at HMRC on 7 May 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 Kinex Infrastructures Ltd is registered
The registered office is in Sheffield (S6), in the Sheffield local authority area, Yorkshire and The Humber. Show S6 4ST on a map.
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What happens if Kinex Infrastructures 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 8 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 9 Feb 2027 to 8 Mar 2027 | £150 |
| 1 to 3 months late | 9 Mar 2027 to 8 May 2027 | £375 |
| 3 to 6 months late | 9 May 2027 to 8 Aug 2027 | £750 |
| More than 6 months late | From 9 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 16438935
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 May 2025 (1 year ago)
- Registered office
- 31 Studfield Road, Sheffield, S6 4ST
- Nature of business
- Construction of utility projects for electricity and telecommunications (SIC 42220)
- Year end
- 31 May (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 7 May 2026
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 Sheffield
Other active civil engineering contractors registered in Sheffield.
- Kirk Jackson Ltd2015
- L.S.C Groundworks Limited2022
- Liversidge Road Surfacing Contractors Ltd2012
- Ljblair Services Ltd2025
- M A Batty Building and Civil Engineering Limited2021
- M H Geotechnical Ltd2022
- M.Kwame Limited2018
- Marsden Engineering Services Ltd2026
All civil engineering contractors in Sheffield · All trades in Sheffield · Civil engineering across the UK
Frequently asked questions
When are Kinex Infrastructures Ltd's accounts due?
Kinex Infrastructures Ltd's next accounts are due at Companies House by 8 February 2027 (in 118 days), covering the period to 31 May 2026.
When is Kinex Infrastructures 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 7 May 2026, due by 7 May 2027, and one for the period to 31 May 2026, due by 31 May 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Kinex Infrastructures Ltd still trading?
Kinex Infrastructures 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 Kinex Infrastructures Ltd do?
Kinex Infrastructures Ltd is registered under Construction of utility projects for electricity and telecommunications (SIC 42220).
How old is Kinex Infrastructures Ltd?
Kinex Infrastructures Ltd was incorporated on 8 May 2025, 1 year ago.
What is the penalty if Kinex Infrastructures 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 Kinex Infrastructures 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.