- Companies
- Machinery repair and installation
- Wrexham
- KJJ Aero Mech Ltd
KJJ Aero Mech Ltd
- Company number
- 15874952
- Incorporated
- 3 Aug 20242 years trading
- Registered office
- 5 Oxford Street, Wrexham, LL13 8HA
- Nature of business
- Repair and maintenance of aircraft and spacecraft
KJJ Aero Mech Ltd is a 2-year-old private limited company registered in Wrexham, company number 15874952, one of 49 machinery repair and installation companies in Wrexham. 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 KJJ Aero Mech Ltd is registered
The registered office is in Wrexham (LL13), in the Wrexham local authority area, Wales. Show LL13 8HA on a map.
Other trade companies in LL13
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- Q & C Building LimitedRoofers
- Verta Energy Solutions LimitedInstallers
- Gablat Building & Property LtdBuilders
- Cbe Electrical Contractors LtdElectricians
- Oasis Plumbing Contractors LtdBuilders
- Engineering Services Northern LtdElectricians
- DJP Electrical and Renewables LtdElectricians
What happens if KJJ Aero Mech 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
- 15874952
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 3 August 2024 (2 years ago)
- Registered office
- 5 Oxford Street, Wrexham, LL13 8HA
- Nature of business
- Repair and maintenance of aircraft and spacecraft (SIC 33160)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 2 August 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 Wrexham
Other active machinery repair and installation companies registered in Wrexham.
- Link Motors and Drives Limited2014
- Martin Jones Transmissions Ltd2014
- MCS Engineering Group Ltd2012
- MHZ Ltd2014
- NFD Forecourts Limited2014
- Ots (UK) Limited2013
- P.R. Bowyer Electrical Contractors Limited1978
- Parry Engineering Ltd2014
All machinery repair and installation companies in Wrexham · All trades in Wrexham · Machinery repair and installation across the UK
Frequently asked questions
When are KJJ Aero Mech Ltd's accounts due?
KJJ Aero Mech 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 KJJ Aero Mech 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 KJJ Aero Mech Ltd still trading?
KJJ Aero Mech 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 KJJ Aero Mech Ltd do?
KJJ Aero Mech Ltd is registered under Repair and maintenance of aircraft and spacecraft (SIC 33160).
How old is KJJ Aero Mech Ltd?
KJJ Aero Mech Ltd was incorporated on 3 August 2024, 2 years ago.
What is the penalty if KJJ Aero Mech 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 KJJ Aero Mech 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.