- Companies
- Civil engineering
- Liverpool
- Mersey Civils Limited
Mersey Civils Limited
- Company number
- 17469025
- Incorporated
- 19 Sep 2026
- Registered office
- 37 Leathers Lane, Liverpool, L26 0TR
- Nature of business
- Construction of utility projects for electricity and telecommunications
Mersey Civils Limited is a newly incorporated private limited company registered in Liverpool, company number 17469025, one of 284 civil engineering contractors in Liverpool. Its next accounts are due at Companies House on 19 June 2028, and its first CT600 is due at HMRC on 18 September 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 Mersey Civils Limited is registered
The registered office is in Liverpool (L26), in the Knowsley local authority area, North West. Show L26 0TR on a map.
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What happens if Mersey 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 19 June 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 20 Jun 2028 to 19 Jul 2028 | £150 |
| 1 to 3 months late | 20 Jul 2028 to 19 Sep 2028 | £375 |
| 3 to 6 months late | 20 Sep 2028 to 19 Dec 2028 | £750 |
| More than 6 months late | From 20 Dec 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2028 | £200 |
| 3 months late | 30 Dec 2028 | another £200 |
| 6 months late | 30 Mar 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 17469025
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 September 2026
- Registered office
- 37 Leathers Lane, Liverpool, L26 0TR
- Nature of business
- Construction of utility projects for electricity and telecommunications (SIC 42220)
- Year end
- 30 September (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 Liverpool
Other active civil engineering contractors registered in Liverpool.
- Merseypave 2023 Limited2023
- MFB Consulting Engineers Ltd2025
- MFG M&E Solutions Ltd2026
- MGC Site Engineering Limited2007
- MJJ Civils & Construction Limited2025
- MK Railway Engineering Limited2013
- MLSB Groundworks Ltd2026
- MPT Civil Engineering Ltd2021
All civil engineering contractors in Liverpool · All trades in Liverpool · Civil engineering across the UK
Frequently asked questions
When are Mersey Civils Limited's accounts due?
Mersey Civils Limited's next accounts are due at Companies House by 19 June 2028 (in 615 days), covering the period to 30 September 2027.
When is Mersey 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 18 September 2027, due by 18 September 2028, and one for the period to 30 September 2027, due by 30 September 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Mersey Civils Limited still trading?
Mersey Civils 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 Mersey Civils Limited do?
Mersey Civils Limited is registered under Construction of utility projects for electricity and telecommunications (SIC 42220).
How old is Mersey Civils Limited?
Mersey Civils Limited was incorporated on 19 September 2026, less than a year ago.
What is the penalty if Mersey 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 Mersey Civils 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.