- Companies
- Installers
- Winchester
- Ao Consulting Ltd
Ao Consulting Ltd
- Company number
- 15902615
- Incorporated
- 17 Aug 20242 years trading
- Registered office
- 5 Eversley Gardens, Winchester, Hampshire, SO23 7GQ
- Nature of business
- Other construction installation; Management consultancy activities other than financial management; Engineering related scientific and technical consulting activities
Ao Consulting Ltd is a 2-year-old private limited company registered in Winchester, company number 15902615, one of 22 installation companies (insulation, lifts, shutters and similar) in Winchester. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 August 2025, as filed at Companies House.
Where Ao Consulting Ltd is registered
The registered office is in Winchester (SO23), in the Winchester local authority area, South East. Show SO23 7GQ on a map.
Other trade companies in SO23
- Aeronix LimitedPlumbers and heating engineers
- Z Cubic Home LtdJoiners and carpenters
- Fordstone Groundworks & Civil Engineering LtdCivil engineering
- Osr Homes LtdBuilders
- Welborne LS LimitedProperty developers
- Charlecote Sussex LimitedSpecialist contractors
- Shorewood Pankridge Street LtdBuilders
- The Home & Garden Collective LtdBuilders
What happens if Ao Consulting 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 15902615
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 August 2024 (2 years ago)
- Registered office
- 5 Eversley Gardens, Winchester, Hampshire, SO23 7GQ
- Nature of business
- Other construction installation (SIC 43290)
Management consultancy activities other than financial management (SIC 70229)
Engineering related scientific and technical consulting activities (SIC 71122) - Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 16 August 2026
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Winchester
Other active installation companies (insulation, lifts, shutters and similar) registered in Winchester.
- Brilliant Window Films and Graphics Ltd2024
- Broadchalk Door Services Limited2007
- Cambridge Building Solutions Ltd2022
- Chimclear Chimney Services Limited2014
- Cross Laminated Timber Solutions Ltd2026
- Dcu Ltd2017
- Doorgear Ltd.2002
- Elite FPS Limited2000
All installation companies (insulation, lifts, shutters and similar) in Winchester · All trades in Winchester · Installers across the UK
Frequently asked questions
When are Ao Consulting Ltd's accounts due?
Ao Consulting Ltd's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is Ao Consulting Ltd's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is Ao Consulting Ltd still trading?
Ao Consulting 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 Ao Consulting Ltd do?
Ao Consulting Ltd is registered under Other construction installation (SIC 43290); Management consultancy activities other than financial management (SIC 70229); Engineering related scientific and technical consulting activities (SIC 71122).
How old is Ao Consulting Ltd?
Ao Consulting Ltd was incorporated on 17 August 2024, 2 years ago.
What is the penalty if Ao Consulting 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 Ao Consulting 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.