- Companies
- Civil engineering
- Leeds
- Mirzai Limited
Mirzai Limited
- Company number
- 03536103
- Incorporated
- 27 Mar 199828 years trading
- Registered office
- 33 Sandhill Mount, Leeds, West Yorkshire, LS17 8EG
- Nature of business
- Construction of other civil engineering projects n.e.c.
Mirzai Limited is a 28-year-old private limited company registered in Leeds, company number 03536103, one of 163 civil engineering contractors in Leeds. 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
Worked out from the year end and filing history on the Companies House register.
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Where Mirzai Limited is registered
The registered office is in Leeds (LS17), in the Leeds local authority area, Yorkshire and The Humber. Show LS17 8EG on a map.
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What happens if Mirzai 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 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
- 03536103
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 27 March 1998 (28 years ago)
- Registered office
- 33 Sandhill Mount, Leeds, West Yorkshire, LS17 8EG
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 27 March 2026
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 Leeds
Other active civil engineering contractors registered in Leeds.
- MTC Civils Ltd2023
- National Groundworks Limited2018
- Nitroflox Ltd2011
- Nyatate Ltd2026
- Olm Network Solutions Ltd2022
- P. Furlong Ltd2016
- PB Scaffold Design Limited2009
- Pete-R Design Limited2017
All civil engineering contractors in Leeds · All trades in Leeds · Civil engineering across the UK
Frequently asked questions
When are Mirzai Limited's accounts due?
Mirzai Limited's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Mirzai Limited'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 Mirzai Limited still trading?
Mirzai 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 Mirzai Limited do?
Mirzai Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Mirzai Limited?
Mirzai Limited was incorporated on 27 March 1998, 28 years ago.
What is the penalty if Mirzai 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 Mirzai 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.