- Companies
- Installers
- London
- Mirone Ltd
Mirone Ltd
- Company number
- 16473910
- Incorporated
- 26 May 20251 year trading
- Registered office
- 138 Devonshire Hill Lane, London, N17 7NH
- Nature of business
- Other construction installation; Security dealing on own account; Private security activities
Mirone Ltd is a 1-year-old private limited company registered in London, company number 16473910, one of 2,278 installation companies (insulation, lifts, shutters and similar) in London. Its next accounts are due at Companies House on 26 February 2027, and its first CT600 is due at HMRC on 25 May 2027.
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 Mirone Ltd is registered
The registered office is in London (N17), in the Haringey local authority area, London. Show N17 7NH on a map.
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Also registered at this address
2 other companies use the same registered office as Mirone Ltd.
- Msmiro LtdBuilders
- Ryan Build LtdFinishing trades
What happens if Mirone 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 26 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 27 Feb 2027 to 26 Mar 2027 | £150 |
| 1 to 3 months late | 27 Mar 2027 to 26 May 2027 | £375 |
| 3 to 6 months late | 27 May 2027 to 26 Aug 2027 | £750 |
| More than 6 months late | From 27 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 16473910
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 May 2025 (1 year ago)
- Registered office
- 138 Devonshire Hill Lane, London, N17 7NH
- Nature of business
- Other construction installation (SIC 43290)
Security dealing on own account (SIC 64991)
Private security activities (SIC 80100) - Year end
- 31 May (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 25 May 2026
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in London
Other active installation companies (insulation, lifts, shutters and similar) registered in London.
- Mist Bathrooms Ltd2026
- Mitch & Murray Ltd2024
- MK Fire and Acoustic Ltd2015
- MK1 Contracts Ltd2020
- Mka Construction Ltd2025
- MM Lifts Ltd2020
- Mma Services Ltd2022
- MMDM Ltd2018
All installation companies (insulation, lifts, shutters and similar) in London · All trades in London · Installers across the UK
Frequently asked questions
When are Mirone Ltd's accounts due?
Mirone Ltd's next accounts are due at Companies House by 26 February 2027 (in 137 days), covering the period to 31 May 2026.
When is Mirone 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 25 May 2026, due by 25 May 2027, and one for the period to 31 May 2026, due by 31 May 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Mirone Ltd still trading?
Mirone 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 Mirone Ltd do?
Mirone Ltd is registered under Other construction installation (SIC 43290); Security dealing on own account (SIC 64991); Private security activities (SIC 80100).
How old is Mirone Ltd?
Mirone Ltd was incorporated on 26 May 2025, 1 year ago.
What is the penalty if Mirone 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 Mirone 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.