- Companies
- Civil engineering
- Willenhall
- A1 Construction (WM) Ltd
A1 Construction (WM) Ltd
- Company number
- 10395404
- Incorporated
- 27 Sep 201610 years trading
- Registered office
- 337 Wolverhampton Road West, Willenhall, WV13 2RL
- Nature of business
- Construction of roads and motorways
A1 Construction (WM) Ltd is a 10-year-old private limited company registered in Willenhall, company number 10395404, one of 25 civil engineering contractors in Willenhall. Its next accounts are due at Companies House on 29 June 2027, and the CT600 for the period to 29 September 2026 is due at HMRC on 29 September 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 up £340 (+32.4%) on the year before, to £1,388.
- Net assets rose in 4 of 8 year-on-year comparisons on record.
- Current assets of £16K against £780 owed within a year: more than 10 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 29 Sep 2025 | £1,388 | £16K | £780 | 0 | |
| 30 Sep 2024 | £1,048 | £21K | £530 | 0 | |
| 30 Sep 2023 | £708 | £26K | £280 | 0 | |
| 30 Sep 2022 | £2,245 | £9,752 | £7,310 | 1 | |
| 30 Sep 2021 | £23 | £47K | £6,648 | 1 | |
| 30 Sep 2020 | £728 | £51K | £11K | 1 | |
| 30 Sep 2019 | £10K | £17K | £6,788 | 1 | |
| 30 Sep 2018 | £16K | £32K | £16K | ||
| 30 Sep 2017 | £4,051 | £6,774 |
Where A1 Construction (WM) Ltd is registered
The registered office is in Willenhall (WV13), in the Walsall local authority area, West Midlands. Show WV13 2RL on a map.
Other trade companies in WV13
- Willenhall Car Breakers LtdMotor traders
- Poppys Trading LimitedBuilders
- GSFK LimitedCleaning companies
- M4 Windows & Doors LtdGlaziers
- Yosh Construction LtdBuilders
- Sam Hand Carwash LtdCleaning companies
- Luxatti Build LtdBuilders
- S&S Buildmove LtdSpecialist contractors
What happens if A1 Construction (WM) 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 29 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 30 Jun 2027 to 29 Jul 2027 | £150 |
| 1 to 3 months late | 30 Jul 2027 to 29 Sep 2027 | £375 |
| 3 to 6 months late | 30 Sep 2027 to 29 Dec 2027 | £750 |
| More than 6 months late | From 30 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 30 Sep 2027 | £200 |
| 3 months late | 29 Dec 2027 | another £200 |
| 6 months late | 29 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 29 Sep 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
- 10395404
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 27 September 2016 (10 years ago)
- Registered office
- 337 Wolverhampton Road West, Willenhall, WV13 2RL
- Nature of business
- Construction of roads and motorways (SIC 42110)
- Year end
- 29 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 29 September 2025
- Last confirmation statement
- 2 May 2025
- Previous names
- A1 Crane Operator Ltd (until 8 Nov 2016)
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 Willenhall
Other active civil engineering contractors registered in Willenhall.
- Acme Services UK Ltd2024
- Anami Construction Ltd2019
- Armaan Services Ltd2024
- BSJ Construction and Civil Engineering Ltd2019
- Chung Electrical and Renewables Ltd2025
- CKD Contracts Limited2025
- Clack Consult Limited2023
- Easybuild Limited2019
All civil engineering contractors in Willenhall · All trades in Willenhall · Civil engineering across the UK
Frequently asked questions
When are A1 Construction (WM) Ltd's accounts due?
A1 Construction (WM) Ltd's next accounts are due at Companies House by 29 June 2027 (in 259 days), covering the period to 29 September 2026.
When is A1 Construction (WM) Ltd's CT600 due?
The CT600 for the period to 29 September 2026 is due at HMRC by 29 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 30 June 2027.
Is A1 Construction (WM) Ltd still trading?
A1 Construction (WM) 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 A1 Construction (WM) Ltd do?
A1 Construction (WM) Ltd is registered under Construction of roads and motorways (SIC 42110).
How old is A1 Construction (WM) Ltd?
A1 Construction (WM) Ltd was incorporated on 27 September 2016, 10 years ago.
What is the penalty if A1 Construction (WM) 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 A1 Construction (WM) 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.