- Companies
- Civil engineering
- Portsmouth
- W G Wilson & Sons Builders Limited
W G Wilson & Sons Builders Limited
- Company number
- 06400309
- Incorporated
- 16 Oct 200718 years trading
- Registered office
- Printware Court Cumberland Business Centre, Northumberland Road, Portsmouth, Hants, PO5 1DS
- Nature of business
- Construction of other civil engineering projects n.e.c.
W G Wilson & Sons Builders Limited is a 18-year-old private limited company registered in Portsmouth, company number 06400309, one of 74 civil engineering contractors in Portsmouth. Its next accounts are due at Companies House on 27 July 2027, and the CT600 for the period to 27 October 2026 is due at HMRC on 27 October 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 £58K on the year before, to -£55K.
- Net assets rose in 2 of 9 year-on-year comparisons on record.
- Current assets of £35K against £104K owed within a year: 0.3 times cover.
- 5 employees on average, up from 4 the year before.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2025 | -£55K | £28K | £35K | £104K | 5 |
| 31 Oct 2024 | £3,703 | £31K | £85K | £83K | 4 |
| 31 Oct 2023 | £14K | £52K | £79K | £55K | 4 |
| 31 Oct 2022 | £39K | £135K | £159K | £98K | 4 |
| 31 Oct 2021 | -£44K | £64K | £72K | £86K | 4 |
| 31 Oct 2020 | -£66K | £54K | £61K | £86K | 5 |
| 31 Oct 2019 | -£26K | £51K | £64K | £98K | 5 |
| 31 Oct 2018 | -£18K | £25K | £50K | £78K | 4 |
| 31 Oct 2017 | £16K | £33K | £104K | £101K | 5 |
| 31 Oct 2016 | £42K | £69K | £97K | £71K |
Where W G Wilson & Sons Builders Limited is registered
The registered office is in Portsmouth (PO5), in the Portsmouth local authority area, South East. Show PO5 1DS on a map.
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Also registered at this address
4 other companies use the same registered office as W G Wilson & Sons Builders Limited.
- Carpe Diem Property Developments LtdCleaning companies
- JMCS Enterprises LimitedProperty developers
- Ogp Electrical Solutions LtdElectricians
- Spinnaker Windows & Conservatories LimitedInstallers
What happens if W G Wilson & Sons Builders 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 27 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 28 Jul 2027 to 27 Aug 2027 | £150 |
| 1 to 3 months late | 28 Aug 2027 to 27 Oct 2027 | £375 |
| 3 to 6 months late | 28 Oct 2027 to 27 Jan 2028 | £750 |
| More than 6 months late | From 28 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 28 Oct 2027 | £200 |
| 3 months late | 27 Jan 2028 | another £200 |
| 6 months late | 27 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 27 Oct 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
- 06400309
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 October 2007 (18 years ago)
- Registered office
- Printware Court Cumberland Business Centre, Northumberland Road, Portsmouth, Hants, PO5 1DS
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 27 October (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 16 October 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.
- Wardsdiving Limited2026
- White Space Innovating Designs Ltd2025
- Wings Civil Engineering Limited2019
- A. R. Groundworks & Construction Limited2011
- Ab MFC Construction Limited2017
- All Lanes Traffic Management Ltd2022
- Archon Construction Ltd2021
- Ash S Consultancy Limited2022
All civil engineering contractors in Portsmouth · All trades in Portsmouth · Civil engineering across the UK
Frequently asked questions
When are W G Wilson & Sons Builders Limited's accounts due?
W G Wilson & Sons Builders Limited's next accounts are due at Companies House by 27 July 2027 (in 287 days), covering the period to 27 October 2026.
When is W G Wilson & Sons Builders Limited's CT600 due?
The CT600 for the period to 27 October 2026 is due at HMRC by 27 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 28 July 2027.
Is W G Wilson & Sons Builders Limited still trading?
W G Wilson & Sons Builders 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 W G Wilson & Sons Builders Limited do?
W G Wilson & Sons Builders Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is W G Wilson & Sons Builders Limited?
W G Wilson & Sons Builders Limited was incorporated on 16 October 2007, 18 years ago.
What is the penalty if W G Wilson & Sons Builders 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 W G Wilson & Sons Builders 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.