- Companies
- Specialist contractors
- Knaresborough
- Ai Earthworks Ltd
Ai Earthworks Ltd
- Company number
- 16794638
- Incorporated
- 19 Oct 2025
- Registered office
- 5 Manor Drive, Knaresborough, HG5 9HX
- Nature of business
- Other specialised construction activities n.e.c.
Ai Earthworks Ltd is a newly incorporated private limited company registered in Knaresborough, company number 16794638, one of 10 specialist construction companies in Knaresborough. Its next accounts are due at Companies House on 19 July 2027, and its first CT600 is due at HMRC on 18 October 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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Who runs and owns Ai Earthworks Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| J*** S*** | Director | Oct 2025 |
Person with significant control
Where Ai Earthworks Ltd is registered
The registered office is in Knaresborough (HG5), in the North Yorkshire local authority area, Yorkshire and The Humber. Show HG5 9HX on a map.
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What happens if Ai Earthworks 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 19 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 20 Jul 2027 to 19 Aug 2027 | £150 |
| 1 to 3 months late | 20 Aug 2027 to 19 Oct 2027 | £375 |
| 3 to 6 months late | 20 Oct 2027 to 19 Jan 2028 | £750 |
| More than 6 months late | From 20 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 16794638
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 October 2025
- Registered office
- 5 Manor Drive, Knaresborough, HG5 9HX
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 October (accounting reference date)
- Accounts type
- No accounts filed yet
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 Knaresborough
Other active specialist construction companies registered in Knaresborough.
- G Atkin Insulations Ltd2016
- Horto Everyday Spaces Ltd2015
- Niddal Windows Limited1977
- Park Lane Services (Knaresborough) Limited2003
- Residential Fire Protection Limited2016
- Sports Ground Design Limited2012
- Aa Property Solutions (UK) Limited2014
- Absolute Ufh & Screed Ltd2020
All specialist construction companies in Knaresborough · All trades in Knaresborough · Specialist contractors across the UK
Frequently asked questions
When are Ai Earthworks Ltd's accounts due?
Ai Earthworks Ltd's next accounts are due at Companies House by 19 July 2027 (in 279 days), covering the period to 31 October 2026.
When is Ai Earthworks 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 18 October 2026, due by 18 October 2027, and one for the period to 31 October 2026, due by 31 October 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Ai Earthworks Ltd still trading?
Ai Earthworks 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 Ai Earthworks Ltd do?
Ai Earthworks Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Ai Earthworks Ltd?
Ai Earthworks Ltd was incorporated on 19 October 2025, less than a year ago.
Who runs Ai Earthworks Ltd?
Ai Earthworks Ltd has 1 active director, the longest-serving appointed in Oct 2025. Their names and service addresses are on the Companies House register.
Who owns Ai Earthworks Ltd?
One person or company has significant control of Ai Earthworks Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Ai Earthworks 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 Ai Earthworks 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.