- Companies
- Civil engineering
- Greenock
- Clydebuilt Installations Ltd
Clydebuilt Installations Ltd
- Company number
- SC692726
- Incorporated
- 18 Mar 20215 years trading
- Registered office
- 13 Overton Crescent, Greenock, Renfrewshire, PA15 4JB
- Nature of business
- Construction of other civil engineering projects n.e.c.; Plumbing, heat and air-conditioning installation; Landscape service activities
Clydebuilt Installations Ltd is a 5-year-old private limited company registered in Greenock, company number SC692726, one of 9 civil engineering contractors in Greenock. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets down £3,789 on the year before, to -£3,579.
- Net assets rose in 1 of 3 year-on-year comparisons on record.
- Current assets of £1,184 against £5,874 owed within a year: 0.2 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | -£3,579 | £1,184 | £5,874 | 1 | |
| 31 Mar 2024 | £210 | £2,043 | £3,222 | 1 | |
| 31 Mar 2023 | £894 | £1,918 | £2,760 | 1 | |
| 31 Mar 2022 | £482 | £14K | £13K | 1 |
Where Clydebuilt Installations Ltd is registered
The registered office is in Greenock (PA15), in the Inverclyde local authority area, Scotland. Show PA15 4JB on a map.
Other trade companies in PA15
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- Di Instrument & Control Engineering Services LtdMachinery repair and installation
- CCS Motors LtdMotor traders
- Going With the Grain Joinery LtdJoiners and carpenters
- RD Piping Solutions LtdInstallers
- SDR Development Group LtdProperty developers
- Ava Flavour LtdCleaning companies
- S. Johnston Joiners & Building Contractors LimitedJoiners and carpenters
What happens if Clydebuilt Installations 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 31 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- SC692726
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 March 2021 (5 years ago)
- Registered office
- 13 Overton Crescent, Greenock, Renfrewshire, PA15 4JB
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
Plumbing, heat and air-conditioning installation (SIC 43220)
Landscape service activities (SIC 81300) - Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 22 April 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 Greenock
Other active civil engineering contractors registered in Greenock.
- Doherty Network Services Ltd2026
- Lalm Consulting Limited2024
- MKK 25 Ltd2021
- Newark Civils Ltd2026
- Twinpeaks NDT & Engineering Consultancy Limited2025
- W.H. Kirkwood Limited1926
- Windfarm Quality Services Limited2023
- Caskie Limited2005
All civil engineering contractors in Greenock · All trades in Greenock · Civil engineering across the UK
Frequently asked questions
When are Clydebuilt Installations Ltd's accounts due?
Clydebuilt Installations Ltd's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Clydebuilt Installations Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Clydebuilt Installations Ltd still trading?
Clydebuilt Installations 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 Clydebuilt Installations Ltd do?
Clydebuilt Installations Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990); Plumbing, heat and air-conditioning installation (SIC 43220); Landscape service activities (SIC 81300).
How old is Clydebuilt Installations Ltd?
Clydebuilt Installations Ltd was incorporated on 18 March 2021, 5 years ago.
What is the penalty if Clydebuilt Installations 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 Clydebuilt Installations 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.