- Companies
- Machinery repair and installation
- Knsi Aviation Engineering Limited
Knsi Aviation Engineering Limited
- Company number
- 08831479
- Incorporated
- 3 Jan 201412 years trading
- Registered office
- Unit C7, Thorley Fields Business Park, Wood Street, Bishop'S Stortford, CM23 4TR
- Nature of business
- Repair and maintenance of aircraft and spacecraft
Knsi Aviation Engineering Limited is a 12-year-old private limited company registered in Wood Street, company number 08831479, one of the UK's machinery repair and installation companies. Its next accounts are due at Companies House on 31 October 2027, and the CT600 for the period to 31 January 2027 is due at HMRC on 31 January 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 up £830K (+62.3%) on the year before, to £2.2M.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £1.6M against £412K owed within a year: 4.0 times cover.
- 15 employees on average, up from 14 the year before.
- 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 Jan 2026 | £2.2M | £1.4M | £1.6M | £412K | 15 |
| 31 Jan 2025 | £1.3M | £312K | £670K | £301K | 14 |
| 31 Jan 2024 | £1.3M | £741K | £842K | £145K | 10 |
| 31 Jan 2023 | £1.3M | £734K | £1M | £266K | 9 |
| 31 Jan 2022 | £938K | £755K | £930K | £134K | 8 |
| 31 Jan 2021 | £730K | £734K | £843K | £155K | 8 |
| 31 Jan 2020 | £353K | £166K | £478K | £178K | 7 |
| 31 Jan 2019 | £22K | £32K | £19K | 7 | |
| 31 Jan 2018 | £24K | £52K | £52K | £19K | 7 |
| 31 Jan 2017 | £17K | £51K | £57K | £18K | 8 |
Where Knsi Aviation Engineering Limited is registered
The registered office is in Wood Street (CM23), in the East Hertfordshire local authority area, East of England. Show CM23 4TR on a map.
Other trade companies in CM23
- Virtual Bee Property Development LtdProperty developers
- Cerberus (Compliance & Maintain) LimitedInstallers
- Cerberus (Electrical & Renewables) LimitedInstallers
- Bishop's Stortford Tyres Hub LimitedMechanics and garages
- Da Power LtdElectricians
- Henry Daniel Building Co LtdBuilders
- Wolfe Services LimitedMachinery repair and installation
- Bells Exterior Services LimitedCleaning companies
What happens if Knsi Aviation Engineering 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 31 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2027 to 30 Nov 2027 | £150 |
| 1 to 3 months late | 1 Dec 2027 to 31 Jan 2028 | £375 |
| 3 to 6 months late | 1 Feb 2028 to 30 Apr 2028 | £750 |
| More than 6 months late | From 1 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2028 | £200 |
| 3 months late | 30 Apr 2028 | another £200 |
| 6 months late | 31 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 08831479
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 3 January 2014 (12 years ago)
- Registered office
- Unit C7, Thorley Fields Business Park, Wood Street, Bishop'S Stortford, CM23 4TR
- Nature of business
- Repair and maintenance of aircraft and spacecraft (SIC 33160)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 January 2026
- Last confirmation statement
- 11 February 2026
- Charges (mortgages)
- 0 outstanding of 1 registered
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
Other active machinery repair and installation companies.
Frequently asked questions
When are Knsi Aviation Engineering Limited's accounts due?
Knsi Aviation Engineering Limited's next accounts are due at Companies House by 31 October 2027 (in 383 days), covering the period to 31 January 2027.
When is Knsi Aviation Engineering Limited's CT600 due?
The CT600 for the period to 31 January 2027 is due at HMRC by 31 January 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2027.
Is Knsi Aviation Engineering Limited still trading?
Knsi Aviation Engineering 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 Knsi Aviation Engineering Limited do?
Knsi Aviation Engineering Limited is registered under Repair and maintenance of aircraft and spacecraft (SIC 33160).
How old is Knsi Aviation Engineering Limited?
Knsi Aviation Engineering Limited was incorporated on 3 January 2014, 12 years ago.
What is the penalty if Knsi Aviation Engineering 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 Knsi Aviation Engineering 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.