- Companies
- Machinery repair and installation
- Milton Keynes
- Aj Avionics Ltd
Company profile · Machinery repair and installation
Aj Avionics Ltd
Aj Avionics Ltd is a newly incorporated private limited company registered in Milton Keynes, company number 16953528, one of 149 machinery repair and installation companies in Milton Keynes. Its next accounts are due at Companies House on 9 October 2027, and its first CT600 is due at HMRC on 8 January 2028.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where Aj Avionics Ltd is registered
The registered office is in Milton Keynes (MK1), in the Milton Keynes local authority area, South East. Show MK1 1SW on a map.
Other trade companies in MK1
- JRN Technical Services LimitedMachinery repair and installation
- Inspection Werx LimitedMachinery repair and installation
- Es Signature LimitedMotor traders
- MK Prime MOT Autofix & Tyres Center LtdMechanics and garages
- Lakestone Landscaping LtdLandscapers and gardeners
- Chellaston Aviation LimitedMachinery repair and installation
- Steltrat Aviation Engineering LimitedMachinery repair and installation
- Steve's Autos LtdMechanics and garages
Shared registered office
41 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Aj Avionics 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 9 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 10 Oct 2027 to 9 Nov 2027 | £150 |
| 1 to 3 months late | 10 Nov 2027 to 9 Jan 2028 | £375 |
| 3 to 6 months late | 10 Jan 2028 to 9 Apr 2028 | £750 |
| More than 6 months late | From 10 Apr 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
- 16953528
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 January 2026
- Registered office
- 1 South House Bond Avenue, Bletchley, Milton Keynes, MK1 1SW
- Nature of business
- Repair and maintenance of aircraft and spacecraft (SIC 33160)
- Year end
- 31 March (accounting reference date)
- Accounts type
- No accounts filed yet
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 Milton Keynes
Other active machinery repair and installation companies registered in Milton Keynes.
- Ajn Student Properties Ltd.2015
- Alpha Gamma Beta Ltd2001
- Amwhite Services Ltd2018
- Apastron Aviation Ltd2020
- Apex Projects (UK) Ltd2007
- Argon Refrigeration Services Ltd2015
- Argosy Engineering Services Limited2016
- Arim Consultancy Limited2020
All machinery repair and installation companies in Milton Keynes · All trades in Milton Keynes · Machinery repair and installation across the UK
Frequently asked questions
When are Aj Avionics Ltd's accounts due?
Aj Avionics Ltd's next accounts are due at Companies House by 9 October 2027 (in 362 days), covering the period to 31 March 2027.
When is Aj Avionics Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 8 January 2027, due by 8 January 2028, and one for the period to 31 March 2027, due by 31 March 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Aj Avionics Ltd still trading?
Aj Avionics 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 Aj Avionics Ltd do?
Aj Avionics Ltd is registered under Repair and maintenance of aircraft and spacecraft (SIC 33160).
How old is Aj Avionics Ltd?
Aj Avionics Ltd was incorporated on 9 January 2026, less than a year ago.
What is the penalty if Aj Avionics 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 Aj Avionics 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.