- Company number
- 14885298
- Incorporated
- 22 May 20233 years trading
- Registered office
- 21 Merrivale Avenue, Ilford, IG4 5PQ
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings; Construction of other civil engineering projects n.e.c.
A-Z Ultimate Support Ltd is a 3-year-old private limited company registered in Ilford, company number 14885298, one of 1,138 building contractors in Ilford. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Where A-Z Ultimate Support Ltd is registered
The registered office is in Ilford (IG4), in the Redbridge local authority area, London. Show IG4 5PQ on a map.
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What happens if A-Z Ultimate Support 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 14885298
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 May 2023 (3 years ago)
- Registered office
- 21 Merrivale Avenue, Ilford, IG4 5PQ
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202)
Construction of other civil engineering projects n.e.c. (SIC 42990) - Year end
- 31 May (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 23 May 2026
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Ilford
Other active building contractors registered in Ilford.
- A1 Building & Maintenance Services Ltd2016
- A2 Build Ltd2026
- A2Z Ooh Limited2025
- Aa Architectural Steel Ltd2026
- Aa Construction London Ltd2025
- Aa Design House Ltd2018
- Aa2 Z Ltd2017
- Aad Building Services Ltd2023
All building contractors in Ilford · All trades in Ilford · Builders across the UK
Frequently asked questions
When are A-Z Ultimate Support Ltd's accounts due?
A-Z Ultimate Support Ltd's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.
When is A-Z Ultimate Support Ltd's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is A-Z Ultimate Support Ltd still trading?
A-Z Ultimate Support 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 A-Z Ultimate Support Ltd do?
A-Z Ultimate Support Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202); Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is A-Z Ultimate Support Ltd?
A-Z Ultimate Support Ltd was incorporated on 22 May 2023, 3 years ago.
What is the penalty if A-Z Ultimate Support 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 A-Z Ultimate Support 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.