- Companies
- Finishing trades
- London
- Aio Un Limited
Company profile · Finishing trades
Aio Un Limited
Aio Un Limited is a 7-year-old private limited company registered in London, company number 11977331, one of 3,947 building finishing companies in London. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Aio Un LimitedOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Financial snapshot, 2025
From the balance sheet at 31 May 2025, as filed at Companies House.
Aio Un Limited over the years
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 £4,236 (+46.8%) on the year before, to £13K.
- Net assets rose in 4 of 5 year-on-year comparisons on record.
- Current assets of £15K against £1,255 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 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | £13K | £3,743 | £15K | £1,255 | 0 |
| 31 May 2024 | £9,059 | £5,526 | £9,844 | £785 | 0 |
| 31 May 2023 | £6,138 | £2,934 | £6,852 | £714 | 0 |
| 31 May 2022 | £4,731 | £5,841 | £1,110 | 0 | |
| 31 May 2021 | £1 | ||||
| 31 May 2020 | £1 |
Where Aio Un Limited is registered
The registered office is in London (E7), in the Newham local authority area, London. Show E7 9QX on a map.
Other trade companies in E7
- Eastern Power Services Group LimitedElectricians
- Maintenance Group UK LimitedMachinery repair and installation
- Sypropertiesservices LtdFinishing trades
- A3Automotives LtdMotor traders
- Love 4 Properties LtdProperty developers
- MMS Private LtdRepair services
- Nexb LtdMotor traders
- Ad Tyres & Automotive LtdMotor traders
What happens if Aio Un 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 11977331
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 3 May 2019 (7 years ago)
- Registered office
- 4A Neville Road, London, E7 9QX
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 2 May 2026
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in London
Other active building finishing companies registered in London.
- Air Flow Ductwork Limited2019
- Aircomm Services Ltd2002
- Aj Home and Garden Ltd2013
- Aja (London) Building Services Ltd2019
- Aja Service Groups Ltd2018
- Ajile Services Ltd2025
- Ajwr Ltd2025
- Ak Construction & Maintenance Ltd2010
All building finishing companies in London · All trades in London · Finishing trades across the UK
Frequently asked questions
When are Aio Un Limited's accounts due?
Aio Un Limited's next accounts are due at Companies House by 28 February 2027 (in 139 days), covering the period to 31 May 2026.
When is Aio Un Limited's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is Aio Un Limited still trading?
Aio Un 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 Aio Un Limited do?
Aio Un Limited is registered under Other building completion and finishing (SIC 43390).
How old is Aio Un Limited?
Aio Un Limited was incorporated on 3 May 2019, 7 years ago.
What is the penalty if Aio Un 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 Aio Un 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.