Zix Limited
- Company number
- 17208447
- Incorporated
- 9 May 2026
- Registered office
- 47 Holly Park Drive, Birmingham, B24 9LG
- Nature of business
- Plumbing, heat and air-conditioning installation
Zix Limited is a newly incorporated private limited company registered in Birmingham, company number 17208447, one of 475 plumbing and heating companies in Birmingham. Its next accounts are due at Companies House on 9 February 2028, and its first CT600 is due at HMRC on 8 May 2028.
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.
Is this your company?
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Where Zix Limited is registered
The registered office is in Birmingham (B24), in the Birmingham local authority area, West Midlands. Show B24 9LG on a map.
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What happens if Zix Limited 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 9 February 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 10 Feb 2028 to 9 Mar 2028 | £150 |
| 1 to 3 months late | 10 Mar 2028 to 9 May 2028 | £375 |
| 3 to 6 months late | 10 May 2028 to 9 Aug 2028 | £750 |
| More than 6 months late | From 10 Aug 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2028 | £200 |
| 3 months late | 31 Aug 2028 | another £200 |
| 6 months late | 30 Nov 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 2029 | 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
- 17208447
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 May 2026
- Registered office
- 47 Holly Park Drive, Birmingham, B24 9LG
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 May (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in Birmingham
Other active plumbing and heating companies registered in Birmingham.
- Zulfi Plumbing Limited2018
- 24/7 Fast Flow Plumbing Ltd2026
- 5 Crowns Gas & Plumbing Services Ltd2020
- 724 Heating & Plumbing Limited2018
- A Bailey Plumbing & Heating Ltd2015
- A D Enterprise Heating & Plumbing Limited2019
- A H Mids Plumbing Limited2026
- A Plus Gas Plumbing Services Ltd2026
All plumbing and heating companies in Birmingham · All trades in Birmingham · Plumbers and heating engineers across the UK
Frequently asked questions
When are Zix Limited's accounts due?
Zix Limited's next accounts are due at Companies House by 9 February 2028 (in 485 days), covering the period to 31 May 2027.
When is Zix Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 8 May 2027, due by 8 May 2028, and one for the period to 31 May 2027, due by 31 May 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Zix Limited still trading?
Zix Limited 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 Zix Limited do?
Zix Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Zix Limited?
Zix Limited was incorporated on 9 May 2026, less than a year ago.
What is the penalty if Zix Limited 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 Zix Limited 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.