- Companies
- Machinery repair and installation
- Irvine
- William Powell Engineer Ltd
William Powell Engineer Ltd
- Company number
- SC545368
- Incorporated
- 14 Sep 201610 years trading
- Registered office
- 17 Girdle Gate, Girdle Toll, Irvine, KA11 1BN
- Nature of business
- Repair and maintenance of aircraft and spacecraft
William Powell Engineer Ltd is a 10-year-old private limited company registered in Irvine, company number SC545368, one of 22 machinery repair and installation companies in Irvine. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 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 down £2,108 (-50.2%) on the year before, to £2,091.
- Net assets rose in 3 of 8 year-on-year comparisons on record.
- Current assets of £4,066 against £334 owed within a year: more than 10 times cover.
- 1 employee on average during the year.
- 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 |
|---|---|---|---|---|---|
| 30 Sep 2025 | £2,091 | £4,066 | £334 | 1 | |
| 30 Sep 2024 | £4,199 | £7,774 | £644 | 1 | |
| 30 Sep 2023 | £1,451 | £5,890 | £183 | 1 | |
| 30 Sep 2022 | £2,297 | £1,959 | £0 | 1 | |
| 30 Sep 2021 | £7,456 | £1,138 | £3,594 | 1 | |
| 30 Sep 2020 | £47 | £253 | £300 | 1 | |
| 30 Sep 2019 | £90 | £2,545 | £2,455 | 1 | |
| 30 Sep 2018 | £673 | £1,643 | £970 | ||
| 30 Sep 2017 | £536 | £1,636 | £1,100 |
Where William Powell Engineer Ltd is registered
The registered office is in Irvine (KA11), in the North Ayrshire local authority area, Scotland. Show KA11 1BN on a map.
Other trade companies in KA11
- RVC Facility Services LtdCleaning companies
- Campbells Property Maintenance & Development LtdFinishing trades
- At-Solution Services LtdCleaning companies
- Mati Contracts LtdInstallers
- Bflashweldingservices LimitedInstallers
- DS Scaffolding Solutions LimitedScaffolders
- Lumen Engineering LtdSpecialist contractors
- RZ Access Specialists LtdSpecialist contractors
What happens if William Powell Engineer 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 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 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
- SC545368
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 September 2016 (10 years ago)
- Registered office
- 17 Girdle Gate, Girdle Toll, Irvine, KA11 1BN
- Nature of business
- Repair and maintenance of aircraft and spacecraft (SIC 33160)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 13 September 2025
Filing notes for machinery repair and installation companies
Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.
Similar companies in Irvine
Other active machinery repair and installation companies registered in Irvine.
- 1Statwind Ltd2025
- A.S.C.(Ayrshire Saw Centre) Ltd2020
- Airdrone Ltd2020
- Anahar Limited2026
- Apperley Aviation Services Ltd2026
- Blairs Catering Equipment Limited2013
- Boat Electrics & Electronics Limited1978
- Brotherton Diving Limited2024
All machinery repair and installation companies in Irvine · All trades in Irvine · Machinery repair and installation across the UK
Frequently asked questions
When are William Powell Engineer Ltd's accounts due?
William Powell Engineer Ltd's next accounts are due at Companies House by 30 June 2027 (in 261 days), covering the period to 30 September 2026.
When is William Powell Engineer Ltd's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is William Powell Engineer Ltd still trading?
William Powell Engineer Ltd is listed as active on the Companies House register (checked 12 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 William Powell Engineer Ltd do?
William Powell Engineer Ltd is registered under Repair and maintenance of aircraft and spacecraft (SIC 33160).
How old is William Powell Engineer Ltd?
William Powell Engineer Ltd was incorporated on 14 September 2016, 10 years ago.
What is the penalty if William Powell Engineer 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 William Powell Engineer Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.