- Companies
- Civil engineering
- Glasgow
- Aao Engineering Ltd
Aao Engineering Ltd
- Company number
- SC519895
- Incorporated
- 10 Nov 201510 years trading
- Registered office
- 20 Auchinleck Road, Glasgow, G33 1PN
- Nature of business
- Construction of other civil engineering projects n.e.c.; Management consultancy activities other than financial management; Other engineering activities
Aao Engineering Ltd is a 10-year-old private limited company registered in Glasgow, company number SC519895, one of 258 civil engineering contractors in Glasgow. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
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 £2,409 (-13.2%) on the year before, to £16K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £30K against £23K owed within a year: 1.3 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £16K | £30K | £23K | 2 | |
| 31 Mar 2025 | £18K | £50K | £41K | 2 | |
| 31 Mar 2024 | £17K | £32K | £29K | 2 | |
| 31 Mar 2023 | £31K | £25K | 2 | ||
| 31 Mar 2022 | £3,076 | £12K | £14K | 2 | |
| 31 Mar 2021 | £2,727 | £3,529 | £3,707 | 1 | |
| 31 Mar 2020 | -£6,362 | -£4,286 | £1,399 | 2 | |
| 31 Mar 2019 | -£25K | -£41K | £20K | 1 | |
| 31 Mar 2018 | £15K | £18K | £4,854 | ||
| 31 Oct 2017 | £13K | £20K | £9,301 |
Where Aao Engineering Ltd is registered
The registered office is in Glasgow (G33), in the Glasgow City local authority area, Scotland. Show G33 1PN on a map.
Other trade companies in G33
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- Trigon Plus Construction Managment LtdBuilders
- Provand Cleaning Group LimitedCleaning companies
- Stepps Garden Services LtdLandscapers and gardeners
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- Forge Heating Group LimitedPlumbers and heating engineers
- Macscaff LtdScaffolders
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What happens if Aao 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 31 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 2029 | 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
- SC519895
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 November 2015 (10 years ago)
- Registered office
- 20 Auchinleck Road, Glasgow, G33 1PN
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
Management consultancy activities other than financial management (SIC 70229)
Other engineering activities (SIC 71129) - Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 3 April 2026
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 Glasgow
Other active civil engineering contractors registered in Glasgow.
- Acorn Construction Services Limited1982
- Acosh Contracts Ltd2022
- African Sustainable Energy Group Limited2024
- Agm Construction and Engineering Limited2017
- Agm Construction Management Limited2025
- Alan Access Ltd2026
- Alan Thomson Contracts Limited2001
- Alatyr Construction Services Ltd2025
All civil engineering contractors in Glasgow · All trades in Glasgow · Civil engineering across the UK
Frequently asked questions
When are Aao Engineering Ltd's accounts due?
Aao Engineering Ltd's next accounts are due at Companies House by 31 December 2027 (in 445 days), covering the period to 31 March 2027.
When is Aao Engineering Ltd's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is Aao Engineering Ltd still trading?
Aao Engineering 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 Aao Engineering Ltd do?
Aao Engineering Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990); Management consultancy activities other than financial management (SIC 70229); Other engineering activities (SIC 71129).
How old is Aao Engineering Ltd?
Aao Engineering Ltd was incorporated on 10 November 2015, 10 years ago.
What is the penalty if Aao 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 Aao Engineering 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.