- Companies
- Civil engineering
- Clydebank
- Connor Civils Limited
Connor Civils Limited
- Company number
- SC860257
- Incorporated
- 26 Aug 20251 year trading
- Registered office
- Flat 1 3 Old Mill Court, Duntocher, Clydebank, G81 6BE
- Nature of business
- Construction of other civil engineering projects n.e.c.
Connor Civils Limited is a 1-year-old private limited company registered in Clydebank, company number SC860257, one of 11 civil engineering contractors in Clydebank. Its next accounts are due at Companies House on 26 May 2027, and its first CT600 is due at HMRC on 25 August 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 Connor Civils Limited is registered
The registered office is in Clydebank (G81), in the West Dunbartonshire local authority area, Scotland. Show G81 6BE on a map.
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What happens if Connor Civils 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 26 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 27 May 2027 to 26 Jun 2027 | £150 |
| 1 to 3 months late | 27 Jun 2027 to 26 Aug 2027 | £375 |
| 3 to 6 months late | 27 Aug 2027 to 26 Nov 2027 | £750 |
| More than 6 months late | From 27 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- SC860257
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 August 2025 (1 year ago)
- Registered office
- Flat 1 3 Old Mill Court, Duntocher, Clydebank, G81 6BE
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 August (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 Clydebank
Other active civil engineering contractors registered in Clydebank.
- FC Power Contracting Limited2024
- Highlander Communications Ltd2026
- JML Utilities Ltd2023
- McGowan Civils Ltd2019
- Solar & Storage (Scotland) Ltd2024
- Unity Telecom Division Ltd2022
- Waterside 35 Limited2024
- Waterwise Utilities Ltd2005
All civil engineering contractors in Clydebank · All trades in Clydebank · Civil engineering across the UK
Frequently asked questions
When are Connor Civils Limited's accounts due?
Connor Civils Limited's next accounts are due at Companies House by 26 May 2027 (in 225 days), covering the period to 31 August 2026.
When is Connor Civils 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 25 August 2026, due by 25 August 2027, and one for the period to 31 August 2026, due by 31 August 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Connor Civils Limited still trading?
Connor Civils Limited is listed as active on the Companies House register (checked 13 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 Connor Civils Limited do?
Connor Civils Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Connor Civils Limited?
Connor Civils Limited was incorporated on 26 August 2025, 1 year ago.
What is the penalty if Connor Civils 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 Connor Civils Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.