- Companies
- Civil engineering
- Edinburgh
- S McGowan and Sons Civil Engineering Ltd
S McGowan and Sons Civil Engineering Ltd
- Company number
- SC690590
- Incorporated
- 26 Feb 20215 years trading
- Registered office
- Facts & Figures, 13 Rutland Street, Edinburgh, EH1 2AE
- Nature of business
- Construction of roads and motorways
S McGowan and Sons Civil Engineering Ltd is a 5-year-old private limited company registered in Edinburgh, company number SC690590, one of 68 civil engineering contractors in Edinburgh. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 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 £17K (-18.4%) on the year before, to £78K.
- Net assets rose in 2 of 3 year-on-year comparisons on record.
- Current assets of £58K against £45K owed within a year: 1.3 times cover.
- 7 employees 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 |
|---|---|---|---|---|---|
| 28 Feb 2025 | £78K | £26K | £58K | £45K | 7 |
| 29 Feb 2024 | £95K | £81K | £141K | £89K | 7 |
| 28 Feb 2023 | £43K | £28K | £36K | £55K | 7 |
| 28 Feb 2022 | £11K | £30K | £30K | £25K | 7 |
Where S McGowan and Sons Civil Engineering Ltd is registered
The registered office is in Edinburgh (EH1), in the City of Edinburgh local authority area, Scotland. Show EH1 2AE on a map.
Other trade companies in EH1
- Pentland Cleaning Group LtdCleaning companies
- Falcon 24 LtdMotor traders
- Letsure Gas Services LtdPlumbers and heating engineers
- Cunningham Surfacing LtdCivil engineering
- Rob Kay Construction LtdProperty developers
- Urban Pulse MCRD LimitedProperty developers
- Steven Cassidy Building Services LimitedProperty developers
- Above & Beyond Apartments LtdProperty developers
Also registered at this address
6 other companies use the same registered office as S McGowan and Sons Civil Engineering Ltd.
- Dream Power Clean LimitedCleaning companies
- Nelson Refrigeration & Air Conditioning LtdMachinery repair and installation
- PW Surfacing Services LtdSpecialist contractors
- Strathbrae Edinburgh LimitedMotor traders
- SW Decorators Edinburgh LtdPainters and decorators
- Taylored Trees LtdLandscapers and gardeners
What happens if S McGowan and Sons Civil Engineering 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 30 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- SC690590
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 February 2021 (5 years ago)
- Registered office
- Facts & Figures, 13 Rutland Street, Edinburgh, EH1 2AE
- Nature of business
- Construction of roads and motorways (SIC 42110)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 2 August 2025
- Previous names
- Cauda Scotland Ltd (until 2 Aug 2021)
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 Edinburgh
Other active civil engineering contractors registered in Edinburgh.
- Sheave Group Limited2021
- Sherlock Engineering Ltd2025
- Tech Sure (UK) Ltd.2002
- TMS Barrier Services (UK) Limited2011
- Torus Design Ltd.2003
- Turret Developments Scotland Holdings Limited2024
- Turret Developments Scotland Ltd2005
- Uisenis Power Limited2010
All civil engineering contractors in Edinburgh · All trades in Edinburgh · Civil engineering across the UK
Frequently asked questions
When are S McGowan and Sons Civil Engineering Ltd's accounts due?
S McGowan and Sons Civil Engineering Ltd's next accounts are due at Companies House by 30 November 2026 (in 48 days), covering the period to 28 February 2026.
When is S McGowan and Sons Civil Engineering Ltd's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is S McGowan and Sons Civil Engineering Ltd still trading?
S McGowan and Sons Civil Engineering Ltd 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 S McGowan and Sons Civil Engineering Ltd do?
S McGowan and Sons Civil Engineering Ltd is registered under Construction of roads and motorways (SIC 42110).
How old is S McGowan and Sons Civil Engineering Ltd?
S McGowan and Sons Civil Engineering Ltd was incorporated on 26 February 2021, 5 years ago.
What is the penalty if S McGowan and Sons Civil Engineering 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 S McGowan and Sons Civil Engineering Ltd 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.