Company profile · Machinery repair and installation
Amperon Ltd
Amperon Ltd is a newly incorporated private limited company registered in London, company number 17045579, one of 1,743 machinery repair and installation companies in London. Its next accounts are due at Companies House on 20 November 2027, and its first CT600 is due at HMRC on 19 February 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 Amperon Ltd is registered
The registered office is in London (WC2H), in the Camden local authority area, London. Show WC2H 9JQ on a map.
Other trade companies in WC2H
- Superclean Agency LtdCleaning companies
- Sal Cleaning LtdCleaning companies
- Cityshine Facilities Services LtdCleaning companies
- Pureoceanscleaning LtdCleaning companies
- Muca Property Group LimitedProperty developers
- E.L.G.G LtdJoiners and carpenters
- First Ascentia Integrated LtdCleaning companies
- Fixing London LtdSpecialist contractors
Shared registered office
4,529 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 Amperon 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 20 November 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 21 Nov 2027 to 20 Dec 2027 | £150 |
| 1 to 3 months late | 21 Dec 2027 to 20 Feb 2028 | £375 |
| 3 to 6 months late | 21 Feb 2028 to 20 May 2028 | £750 |
| More than 6 months late | From 21 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Feb 2028 | £200 |
| 3 months late | 28 May 2028 | another £200 |
| 6 months late | 28 Aug 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 17045579
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 February 2026
- Registered office
- 71-75 Shelton Street, London, WC2H 9JQ
- Nature of business
- Repair of machinery (SIC 33120)
Plumbing, heat and air-conditioning installation (SIC 43220)
Other construction installation (SIC 43290)
Combined facilities support activities (SIC 81100) - Year end
- 28 February (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 London
Other active machinery repair and installation companies registered in London.
- Ample Infotech Ltd2025
- Amproelectrics Ltd2014
- Amspeed Limited2011
- Amvaero Ltd2026
- Anaut UK Ltd2026
- Anaxi Technologies Ltd2023
- Anayra Ltd2024
- Anchor Automatic Door Systems Ltd2026
All machinery repair and installation companies in London · All trades in London · Machinery repair and installation across the UK
Frequently asked questions
When are Amperon Ltd's accounts due?
Amperon Ltd's next accounts are due at Companies House by 20 November 2027 (in 404 days), covering the period to 28 February 2027.
When is Amperon 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 19 February 2027, due by 19 February 2028, and one for the period to 28 February 2027, due by 28 February 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Amperon Ltd still trading?
Amperon 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 Amperon Ltd do?
Amperon Ltd is registered under Repair of machinery (SIC 33120); Plumbing, heat and air-conditioning installation (SIC 43220); Other construction installation (SIC 43290); Combined facilities support activities (SIC 81100).
How old is Amperon Ltd?
Amperon Ltd was incorporated on 20 February 2026, less than a year ago.
What is the penalty if Amperon 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 Amperon 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.