- Company number
- 12684523
- Incorporated
- 19 Jun 20206 years trading
- Registered office
- 31 Vibart Gardens, London, SW2 3RJ
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings; Architectural activities; Urban planning and landscape architectural activities
Miron Baltag UK Ltd is a 6-year-old private limited company registered in London, company number 12684523, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets up £5 (+100%) on the year before, to £10.
- Net assets rose in 2 of 4 year-on-year comparisons on record.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £10 | £10 | 0 | ||
| 30 Jun 2024 | £5 | £5 | 0 | ||
| 30 Jun 2023 | £10 | £10 | £0 | 0 | |
| 30 Jun 2022 | £0 | £0 | 0 | ||
| 30 Jun 2021 | £0 | £0 | £0 | 1 |
Where Miron Baltag UK Ltd is registered
The registered office is in London (SW2), in the Lambeth local authority area, London. Show SW2 3RJ on a map.
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What happens if Miron Baltag UK 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 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 12684523
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 June 2020 (6 years ago)
- Registered office
- 31 Vibart Gardens, London, SW2 3RJ
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202)
Architectural activities (SIC 71111)
Urban planning and landscape architectural activities (SIC 71112) - Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 9 May 2025
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 London
Other active building contractors registered in London.
- Miron Prime Ltd2026
- Mironmd Ltd2022
- Mirsini Property Development Ltd2025
- Miry Ltd2021
- Miscost Limited2023
- Misha Construct Ltd2016
- Mishala Construction Ltd2025
- Mishata Fix 84 Ltd2023
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are Miron Baltag UK Ltd's accounts due?
Miron Baltag UK Ltd's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is Miron Baltag UK Ltd's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is Miron Baltag UK Ltd still trading?
Miron Baltag UK Ltd is listed as active on the Companies House register (checked 13 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 Miron Baltag UK Ltd do?
Miron Baltag UK Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202); Architectural activities (SIC 71111); Urban planning and landscape architectural activities (SIC 71112).
How old is Miron Baltag UK Ltd?
Miron Baltag UK Ltd was incorporated on 19 June 2020, 6 years ago.
What is the penalty if Miron Baltag UK 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 Miron Baltag UK Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.