- Companies
- Civil engineering
- Portsmouth
- Stuart Ryan Groundworks Ltd
Stuart Ryan Groundworks Ltd
- Company number
- 12314356
- Incorporated
- 14 Nov 20196 years trading
- Registered office
- Gatcombe House, Copnor Road, Portsmouth, PO3 5EJ
- Nature of business
- Construction of other civil engineering projects n.e.c.
Stuart Ryan Groundworks Ltd is a 6-year-old private limited company registered in Portsmouth, company number 12314356, one of 74 civil engineering contractors in Portsmouth. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 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 £13K (-569%) on the year before, to -£15K.
- Net assets rose in 3 of 5 year-on-year comparisons on record.
- Current assets of £25K against £38K owed within a year: 0.7 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2025 | -£15K | £25K | £38K | 1 | |
| 30 Nov 2024 | -£2,217 | £17K | £12K | 1 | |
| 30 Nov 2023 | £8,462 | £38K | £18K | 1 | |
| 30 Nov 2022 | -£190 | £34K | £19K | 1 | |
| 30 Nov 2021 | -£6,366 | £33K | £20K | 1 | |
| 30 Nov 2020 | -£10K | £22K | £9,814 | 1 |
Where Stuart Ryan Groundworks Ltd is registered
The registered office is in Portsmouth (PO3), in the Portsmouth local authority area, South East. Show PO3 5EJ on a map.
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Shared registered office
157 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Stuart Ryan Groundworks 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 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 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
- 12314356
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 November 2019 (6 years ago)
- Registered office
- Gatcombe House, Copnor Road, Portsmouth, PO3 5EJ
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 13 November 2025
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 Portsmouth
Other active civil engineering contractors registered in Portsmouth.
- T Coleborn and Son Limited1998
- T.Couzens & Sons Limited1931
- The Fairway Advisory Ltd2026
- Tota Steelfixing Ltd2018
- Utility Delta Business Services Limited2021
- Volt Base Group Ltd2023
- W G Wilson & Sons Builders Limited2007
- Wardsdiving Limited2026
All civil engineering contractors in Portsmouth · All trades in Portsmouth · Civil engineering across the UK
Frequently asked questions
When are Stuart Ryan Groundworks Ltd's accounts due?
Stuart Ryan Groundworks Ltd's next accounts are due at Companies House by 31 August 2027 (in 323 days), covering the period to 30 November 2026.
When is Stuart Ryan Groundworks Ltd's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is Stuart Ryan Groundworks Ltd still trading?
Stuart Ryan Groundworks 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 Stuart Ryan Groundworks Ltd do?
Stuart Ryan Groundworks Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Stuart Ryan Groundworks Ltd?
Stuart Ryan Groundworks Ltd was incorporated on 14 November 2019, 6 years ago.
What is the penalty if Stuart Ryan Groundworks 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 Stuart Ryan Groundworks 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.