- Companies
- Machinery repair and installation
- Pinner
- Emerald Aero Engineering Ltd
Emerald Aero Engineering Ltd
- Company number
- 08290292
- Incorporated
- 12 Nov 201213 years trading
- Registered office
- 52 High Street, Pinner, Middlesex, HA5 5PW
- Nature of business
- Repair and maintenance of aircraft and spacecraft
Emerald Aero Engineering Ltd is a 13-year-old private limited company registered in Pinner, company number 08290292, one of 10 machinery repair and installation companies in Pinner. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 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 up £1.6M (+555.9%) on the year before, to £1.8M.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £2.4M against £622K owed within a year: 3.8 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2025 | £1.8M | £2.3M | £2.4M | £622K | 0 |
| 30 Nov 2024 | £281K | £118K | £212K | £57K | 3 |
| 30 Nov 2023 | £223K | £189K | £252K | £77K | 3 |
| 30 Nov 2022 | £250K | £151K | £246K | £61K | 3 |
| 30 Nov 2021 | £252K | £140K | £229K | £51K | 1 |
| 30 Nov 2020 | £307K | £223K | £282K | £45K | 1 |
| 30 Nov 2019 | £273K | £281K | £387K | £125K | |
| 30 Nov 2018 | £194K | £211K | £317K | £132K | |
| 30 Nov 2017 | £13K | £2,844 | £29K | £16K | |
| 30 Nov 2016 | £354 | £323 | £16K | £15K |
Where Emerald Aero Engineering Ltd is registered
The registered office is in Pinner (HA5), in the Harrow local authority area, London. Show HA5 5PW on a map.
Other trade companies in HA5
- Elisop LtdCivil engineering
- Kite Property Management LtdBuilders
- Olivares and Hayter LtdSpecialist contractors
- Shallons Electrical LtdElectricians
- Executive Maintenance LtdFinishing trades
- Truspan LtdBuilders
- Mak Electrical Services LtdBuilders
- Bori Scaffolding LtdScaffolders
Shared registered office
35 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 Emerald Aero Engineering 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 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 08290292
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 November 2012 (13 years ago)
- Registered office
- 52 High Street, Pinner, Middlesex, HA5 5PW
- Nature of business
- Repair and maintenance of aircraft and spacecraft (SIC 33160)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 7 July 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 Pinner
Other active machinery repair and installation companies registered in Pinner.
- G J M Jones Limited2013
- Gadget Repair Centre Ltd2020
- Nest Power Limited2023
- PRP Rescue Services Limited1986
- Solis Power Limited2024
- Uko2Map Ltd2025
- Ar Electrics & Sons Limited2021
- Denflo Ltd2023
All machinery repair and installation companies in Pinner · All trades in Pinner · Machinery repair and installation across the UK
Frequently asked questions
When are Emerald Aero Engineering Ltd's accounts due?
Emerald Aero Engineering Ltd's next accounts are due at Companies House by 31 August 2027 (in 323 days), covering the period to 30 November 2026.
When is Emerald Aero Engineering Ltd's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is Emerald Aero Engineering Ltd still trading?
Emerald Aero Engineering 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 Emerald Aero Engineering Ltd do?
Emerald Aero Engineering Ltd is registered under Repair and maintenance of aircraft and spacecraft (SIC 33160).
How old is Emerald Aero Engineering Ltd?
Emerald Aero Engineering Ltd was incorporated on 12 November 2012, 13 years ago.
What is the penalty if Emerald Aero Engineering 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 Emerald Aero Engineering 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.