- Companies
- Specialist contractors
- London
- Astratto Technologies Ltd
Astratto Technologies Ltd
- Company number
- 15500872
- Incorporated
- 18 Feb 20242 years trading
- Registered office
- 118 Pall Mall, London, SW1Y 5EA
- Nature of business
- Other specialised construction activities n.e.c.; Other professional, scientific and technical activities n.e.c.; Other business support service activities n.e.c.
Astratto Technologies Ltd is a 2-year-old private limited company registered in London, company number 15500872, one of 4,318 specialist construction companies in London. Its next accounts are due at Companies House on 31 December 2026, and its first CT600 is due at HMRC on 31 December 2026.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2024
From the balance sheet at 31 December 2024, as filed at Companies House.
Where Astratto Technologies Ltd is registered
The registered office is in London (SW1Y), in the Westminster local authority area, London. Show SW1Y 5EA on a map.
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What happens if Astratto Technologies 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 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
- 15500872
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 February 2024 (2 years ago)
- Registered office
- 118 Pall Mall, London, SW1Y 5EA
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
Other professional, scientific and technical activities n.e.c. (SIC 74909)
Other business support service activities n.e.c. (SIC 82990) - Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2024
- Last confirmation statement
- 17 February 2026
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in London
Other active specialist construction companies registered in London.
- Asw Corp Limited2025
- Ath&B Construction Ltd2019
- Atheneum Developments Ltd2012
- Atico Constructive Solutions Ltd2023
- Atlantic Construction UK Ltd2017
- Atomic Automation Ltd2014
- Atpc Hire & Sales Ltd2023
- Aub GRP Ltd2026
All specialist construction companies in London · All trades in London · Specialist contractors across the UK
Frequently asked questions
When are Astratto Technologies Ltd's accounts due?
Astratto Technologies Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Astratto Technologies 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 31 December 2025, due by 31 December 2026, 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 Astratto Technologies Ltd still trading?
Astratto Technologies 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 Astratto Technologies Ltd do?
Astratto Technologies Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999); Other professional, scientific and technical activities n.e.c. (SIC 74909); Other business support service activities n.e.c. (SIC 82990).
How old is Astratto Technologies Ltd?
Astratto Technologies Ltd was incorporated on 18 February 2024, 2 years ago.
What is the penalty if Astratto Technologies 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 Astratto Technologies 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.