- Companies
- Machinery repair and installation
- Barry
- S.I Aviation Limited
S.I Aviation Limited
- Company number
- 13897139
- Incorporated
- 7 Feb 20224 years trading
- Registered office
- 79 Colcot Road, Barry, CF62 8HL
- Nature of business
- Repair and maintenance of aircraft and spacecraft
S.I Aviation Limited is a 4-year-old private limited company registered in Barry, company number 13897139, one of 31 machinery repair and installation companies in Barry. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 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 £234 (-70.1%) on the year before, to £100.
- Current assets of £4,998 against £6,263 owed within a year: 0.8 times cover.
- 1 employee on average, up from 0 the year before.
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2025 | £100 | £4,998 | £6,263 | 1 | |
| 29 Feb 2024 | £334 | £14K | £12K | 0 | |
| 28 Feb 2023 | £100 | £25K | £17K | 0 |
Who runs and owns S.I Aviation Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| M*** A*** | Director | Feb 2022 |
Person with significant control
Where S.I Aviation Limited is registered
The registered office is in Barry (CF62), in the Vale of Glamorgan local authority area, Wales. Show CF62 8HL on a map.
Other trade companies in CF62
- Apex Oak LimitedProperty developers
- Cooksey Interiors LtdInstallers
- Neart Decorating LtdProperty developers
- Agnew Property Services LimitedLandscapers and gardeners
- Barnscleans LtdCleaning companies
- MB Wireless & Ip Solutions LtdElectricians
- Htec Off-Road LtdMotor traders
- Mill Construction Services LtdFinishing trades
What happens if S.I Aviation 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 30 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 13897139
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 February 2022 (4 years ago)
- Registered office
- 79 Colcot Road, Barry, CF62 8HL
- Nature of business
- Repair and maintenance of aircraft and spacecraft (SIC 33160)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 6 February 2026
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 Barry
Other active machinery repair and installation companies registered in Barry.
- Saxton Marine Supplies Limited2004
- Severn Technical Services Ltd2013
- South Wales Stairlifts Ltd2011
- South Wales Time Recorder (Sales and Service) Limited1979
- Stone Plumbing and Heating Limited2001
- Top Recovery Ltd2025
- Watts Air Conditioning Ltd2008
- Adroit Controls Ltd2014
All machinery repair and installation companies in Barry · All trades in Barry · Machinery repair and installation across the UK
Frequently asked questions
When are S.I Aviation Limited's accounts due?
S.I Aviation Limited's next accounts are due at Companies House by 30 November 2026 (in 48 days), covering the period to 28 February 2026.
When is S.I Aviation Limited's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is S.I Aviation Limited still trading?
S.I Aviation 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 S.I Aviation Limited do?
S.I Aviation Limited is registered under Repair and maintenance of aircraft and spacecraft (SIC 33160).
How old is S.I Aviation Limited?
S.I Aviation Limited was incorporated on 7 February 2022, 4 years ago.
Who runs S.I Aviation Limited?
S.I Aviation Limited has 1 active director, the longest-serving appointed in Feb 2022. Their names and service addresses are on the Companies House register.
Who owns S.I Aviation Limited?
One person or company has significant control of S.I Aviation Limited: an individual (owns 75% or more of the shares).
What is the penalty if S.I Aviation 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 S.I Aviation 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.