- Companies
- Civil engineering
- Southampton
- Zemytm Ltd
Zemytm Ltd
- Company number
- 17064795
- Incorporated
- 2 Mar 2026
- Registered office
- 8 8 Lulworth Green, Southampton, SO16 9FT
- Nature of business
- Construction of roads and motorways
Zemytm Ltd is a newly incorporated private limited company registered in Southampton, company number 17064795, one of 114 civil engineering contractors in Southampton. Its next accounts are due at Companies House on 2 December 2027, and its first CT600 is due at HMRC on 1 March 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.
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Where Zemytm Ltd is registered
The registered office is in Southampton (SO16), in the Southampton local authority area, South East. Show SO16 9FT on a map.
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What happens if Zemytm 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 2 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 3 Dec 2027 to 2 Jan 2028 | £150 |
| 1 to 3 months late | 3 Jan 2028 to 2 Mar 2028 | £375 |
| 3 to 6 months late | 3 Mar 2028 to 2 Jun 2028 | £750 |
| More than 6 months late | From 3 Jun 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 17064795
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 2 March 2026
- Registered office
- 8 8 Lulworth Green, Southampton, SO16 9FT
- Nature of business
- Construction of roads and motorways (SIC 42110)
- Year end
- 31 March (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Southampton
Other active civil engineering contractors registered in Southampton.
- 3 Counties Civil Engineering Limited2000
- A Builder (Netley) Limited2007
- Advanced Watering Systems Ltd2023
- Af Grounds & Fencing Ltd2025
- Aimac Construction Limited2025
- Altoria TM Services Ltd2026
- Aquila Project Services Ltd2024
- Aspect Projects Southern Limited2015
All civil engineering contractors in Southampton · All trades in Southampton · Civil engineering across the UK
Frequently asked questions
When are Zemytm Ltd's accounts due?
Zemytm Ltd's next accounts are due at Companies House by 2 December 2027 (in 416 days), covering the period to 31 March 2027.
When is Zemytm 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 1 March 2027, due by 1 March 2028, and one for the period to 31 March 2027, due by 31 March 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Zemytm Ltd still trading?
Zemytm 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 Zemytm Ltd do?
Zemytm Ltd is registered under Construction of roads and motorways (SIC 42110).
How old is Zemytm Ltd?
Zemytm Ltd was incorporated on 2 March 2026, less than a year ago.
What is the penalty if Zemytm 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 Zemytm 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.