- Companies
- Machinery repair and installation
- London
- Altaavia Ltd
Altaavia Ltd
- Company number
- 16345711
- Incorporated
- 26 Mar 20251 year trading
- Registered office
- Suite 430 Linen Hall 162-168, Regent Street, London, W1B 5TG
- Nature of business
- Repair and maintenance of aircraft and spacecraft; Scheduled passenger air transport; Freight air transport
Altaavia Ltd is a 1-year-old private limited company registered in London, company number 16345711, one of 1,743 machinery repair and installation companies in London. Its next accounts are due at Companies House on 26 December 2026, and its first CT600 is due at HMRC on 25 March 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 Altaavia Ltd is registered
The registered office is in London (W1B), in the Westminster local authority area, London. Show W1B 5TG on a map.
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What happens if Altaavia 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 27 Dec 2026 to 26 Jan 2027 | £150 |
| 1 to 3 months late | 27 Jan 2027 to 26 Mar 2027 | £375 |
| 3 to 6 months late | 27 Mar 2027 to 26 Jun 2027 | £750 |
| More than 6 months late | From 27 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 16345711
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 March 2025 (1 year ago)
- Registered office
- Suite 430 Linen Hall 162-168, Regent Street, London, W1B 5TG
- Nature of business
- Repair and maintenance of aircraft and spacecraft (SIC 33160)
Scheduled passenger air transport (SIC 51101)
Freight air transport (SIC 51210) - Year end
- 31 March (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 25 March 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 London
Other active machinery repair and installation companies registered in London.
- Alteva Marine UK Ltd2026
- Always Bike Repairs Ltd2025
- Alysys Technology Services Ltd2026
- Am Marine Limited2017
- Am Metal Design Limited2015
- Amaan Domestic Ltd2026
- Amaco Refrigeration Ltd2017
- Amber Electrical (UK) Ltd2013
All machinery repair and installation companies in London · All trades in London · Machinery repair and installation across the UK
Frequently asked questions
When are Altaavia Ltd's accounts due?
Altaavia Ltd's next accounts are due at Companies House by 26 December 2026 (in 74 days), covering the period to 31 March 2026.
When is Altaavia 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 March 2026, due by 25 March 2027, and one for the period to 31 March 2026, due by 31 March 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Altaavia Ltd still trading?
Altaavia 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 Altaavia Ltd do?
Altaavia Ltd is registered under Repair and maintenance of aircraft and spacecraft (SIC 33160); Scheduled passenger air transport (SIC 51101); Freight air transport (SIC 51210).
How old is Altaavia Ltd?
Altaavia Ltd was incorporated on 26 March 2025, 1 year ago.
What is the penalty if Altaavia 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 Altaavia 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.