- Companies
- Specialist contractors
- Ruislip
- Illy Maintenance Ltd
Illy Maintenance Ltd
- Company number
- 16578169
- Incorporated
- 12 Jul 20251 year trading
- Registered office
- 272 Whitby Road, Ruislip, HA4 9DZ
- Nature of business
- Other specialised construction activities n.e.c.
Illy Maintenance Ltd is a 1-year-old private limited company registered in Ruislip, company number 16578169, one of 107 specialist construction companies in Ruislip. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 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 Illy Maintenance Ltd is registered
The registered office is in Ruislip (HA4), in the Hillingdon local authority area, London. Show HA4 9DZ on a map.
Other trade companies in HA4
- SSC London LtdGroundworks and demolition
- DCR Industriltdal LtdPainters and decorators
- Katardino Monten for General Contracting and Supplies LtdCivil engineering
- Apex Build & Move LtdBuilders
- Ridgeway Building Contracts LimitedProperty developers
- Azya Farah LtdBuilders
- Howdens Roofing & Guttering LimitedRoofers
- Vetro Glazing LimitedGlaziers
What happens if Illy Maintenance 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
- 16578169
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 July 2025 (1 year ago)
- Registered office
- 272 Whitby Road, Ruislip, HA4 9DZ
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 March (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 6 July 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 Ruislip
Other active specialist construction companies registered in Ruislip.
- Impervious Roofing & Building Ltd2017
- Ivory Workforce Limited2026
- J&S Carpentry Limited2017
- JMC Lofts & Extensions Ltd2017
- Karlsson Composite Ltd2026
- L Marshall Contractors Limited2013
- Larchwood Roofing & Building Limited2012
- Laxmi London Ltd Limited2026
All specialist construction companies in Ruislip · All trades in Ruislip · Specialist contractors across the UK
Frequently asked questions
When are Illy Maintenance Ltd's accounts due?
Illy Maintenance Ltd's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Illy Maintenance Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Illy Maintenance Ltd still trading?
Illy Maintenance 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 Illy Maintenance Ltd do?
Illy Maintenance Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Illy Maintenance Ltd?
Illy Maintenance Ltd was incorporated on 12 July 2025, 1 year ago.
What is the penalty if Illy Maintenance 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 Illy Maintenance 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.