- Companies
- Civil engineering
- Fleet
- Qunix Infrastructure Limited
Qunix Infrastructure Limited
- Company number
- 16857060
- Incorporated
- 14 Nov 2025
- Registered office
- 6 Foxglove House Ivy Close, Crookham Village, Fleet, GU51 5EU
- Nature of business
- Construction of other civil engineering projects n.e.c.; Electrical installation; Other specialised construction activities n.e.c.; Other engineering activities
Qunix Infrastructure Limited is a newly incorporated private limited company registered in Fleet, company number 16857060, one of 12 civil engineering contractors in Fleet. Its next accounts are due at Companies House on 14 August 2027, and its first CT600 is due at HMRC on 13 November 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 Qunix Infrastructure Limited is registered
The registered office is in Fleet (GU51), in the Hart local authority area, South East. Show GU51 5EU on a map.
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What happens if Qunix Infrastructure 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 14 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 15 Aug 2027 to 14 Sep 2027 | £150 |
| 1 to 3 months late | 15 Sep 2027 to 14 Nov 2027 | £375 |
| 3 to 6 months late | 15 Nov 2027 to 14 Feb 2028 | £750 |
| More than 6 months late | From 15 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 16857060
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 November 2025
- Registered office
- 6 Foxglove House Ivy Close, Crookham Village, Fleet, GU51 5EU
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
Electrical installation (SIC 43210)
Other specialised construction activities n.e.c. (SIC 43999)
Other engineering activities (SIC 71129) - Year end
- 30 November (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 Fleet
Other active civil engineering contractors registered in Fleet.
- Traffic Control South West Limited2019
- Zennergy International Ltd2010
- Bhawani Planning & Project Controls Ltd2017
- DKMD Ltd2015
- GJK Traffic Management Ltd2022
- Mja Utilities Ltd2018
- Novabell Limited2002
- Oscar Construction & Civil Engineering Ltd2021
All civil engineering contractors in Fleet · All trades in Fleet · Civil engineering across the UK
Frequently asked questions
When are Qunix Infrastructure Limited's accounts due?
Qunix Infrastructure Limited's next accounts are due at Companies House by 14 August 2027 (in 305 days), covering the period to 30 November 2026.
When is Qunix Infrastructure 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 13 November 2026, due by 13 November 2027, and one for the period to 30 November 2026, due by 30 November 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Qunix Infrastructure Limited still trading?
Qunix Infrastructure 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 Qunix Infrastructure Limited do?
Qunix Infrastructure Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990); Electrical installation (SIC 43210); Other specialised construction activities n.e.c. (SIC 43999); Other engineering activities (SIC 71129).
How old is Qunix Infrastructure Limited?
Qunix Infrastructure Limited was incorporated on 14 November 2025, less than a year ago.
What is the penalty if Qunix Infrastructure 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 Qunix Infrastructure 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.