- Companies
- Machinery repair and installation
- London
- Astra Sirius Ltd
Astra Sirius Ltd
- Company number
- 15896699
- Incorporated
- 14 Aug 20242 years trading
- Registered office
- 80 Cheapside, London, EC2V 6EE
- Nature of business
- Repair of other equipment; Activities of other holding companies n.e.c.
Astra Sirius Ltd is a 2-year-old private limited company registered in London, company number 15896699, one of 1,743 machinery repair and installation companies in London. Companies House shows its accounts as overdue: they were due on 14 September 2026.
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 Astra Sirius Ltd is registered
The registered office is in London (EC2V), in the City of London local authority area, London. Show EC2V 6EE on a map.
Other trade companies in EC2V
- HCL Remnants LimitedBuilders
- Chilmar Finance (UK) LtdProperty developers
- Altaven Group LimitedFinishing trades
- Ashton Lane Development LimitedProperty developers
- CPC Construction Management LimitedBuilders
- Astra Apex LtdMachinery repair and installation
- Astra Nova Group LtdMachinery repair and installation
- Erith Capital Developments LimitedProperty developers
Also registered at this address
4 other companies use the same registered office as Astra Sirius Ltd.
- Astra Altair LtdPlumbers and heating engineers
- Astra Apex LtdMachinery repair and installation
- Astra Nova Group LtdMachinery repair and installation
- Blueparks LimitedBuilders
What happens if Astra Sirius Ltd files late
If the accounts reach Companies House today, the late filing penalty is £150 (£300 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 15 Sep 2026 to 14 Oct 2026 | £150 |
| 1 to 3 months late | 15 Oct 2026 to 14 Dec 2026 | £375 |
| 3 to 6 months late | 15 Dec 2026 to 14 Mar 2027 | £750 |
| More than 6 months late | From 15 Mar 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2027 | £200 |
| 3 months late | 31 Mar 2027 | another £200 |
| 6 months late | 30 Jun 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 2027 | 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
- 15896699
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 August 2024 (2 years ago)
- Registered office
- 80 Cheapside, London, EC2V 6EE
- Nature of business
- Repair of other equipment (SIC 33190)
Activities of other holding companies n.e.c. (SIC 64209) - Year end
- 31 December (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 13 August 2026
- Charges (mortgages)
- 2 outstanding of 3 registered
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.
- Astrex Motors Ltd2025
- Astrophysics UK Limited2020
- Ata Maintenance Ltd2019
- Ata Technique Ltd2021
- Atlantic Fire Ltd2016
- Atoz Engineering Ltd2018
- Atpc Services Ltd2020
- Attilios Coffee House Limited2015
All machinery repair and installation companies in London · All trades in London · Machinery repair and installation across the UK
Frequently asked questions
When are Astra Sirius Ltd's accounts due?
Astra Sirius Ltd's accounts were due at Companies House on 14 September 2026 and the register shows them as overdue.
When is Astra Sirius 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 13 August 2025, due by 13 August 2026, and one for the period to 31 December 2025, due by 31 December 2026. Corporation tax is payable 9 months and 1 day after the end of each.
Is Astra Sirius Ltd still trading?
Astra Sirius Ltd is listed as active on the Companies House register (checked 13 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 Astra Sirius Ltd do?
Astra Sirius Ltd is registered under Repair of other equipment (SIC 33190); Activities of other holding companies n.e.c. (SIC 64209).
How old is Astra Sirius Ltd?
Astra Sirius Ltd was incorporated on 14 August 2024, 2 years ago.
What is the penalty if Astra Sirius 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 Astra Sirius Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.