- Companies
- Civil engineering
- Ellon
- Paulina Mierzwicka Limited
Paulina Mierzwicka Limited
- Company number
- SC857649
- Incorporated
- 1 Aug 20251 year trading
- Registered office
- 5 Whiteness Cottages Hightown, Collieston, Ellon, AB41 8RS
- Nature of business
- Construction of utility projects for electricity and telecommunications; Other telecommunications activities; Renting and leasing of construction and civil engineering machinery and equipment
Paulina Mierzwicka Limited is a 1-year-old private limited company registered in Ellon, company number SC857649, one of the UK's civil engineering contractors. Its next accounts are due at Companies House on 1 May 2027, and its first CT600 is due at HMRC on 31 July 2027.
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 Paulina Mierzwicka Limited is registered
The registered office is in Ellon (AB41), in the Aberdeenshire local authority area, Scotland. Show AB41 8RS on a map.
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What happens if Paulina Mierzwicka 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 1 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 2 May 2027 to 1 Jun 2027 | £150 |
| 1 to 3 months late | 2 Jun 2027 to 1 Aug 2027 | £375 |
| 3 to 6 months late | 2 Aug 2027 to 1 Nov 2027 | £750 |
| More than 6 months late | From 2 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- SC857649
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 August 2025 (1 year ago)
- Registered office
- 5 Whiteness Cottages Hightown, Collieston, Ellon, AB41 8RS
- Nature of business
- Construction of utility projects for electricity and telecommunications (SIC 42220)
Other telecommunications activities (SIC 61900)
Renting and leasing of construction and civil engineering machinery and equipment (SIC 77320) - Year end
- 31 August (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 Ellon
Other active civil engineering contractors registered in Ellon.
All civil engineering contractors in Ellon · All trades in Ellon · Civil engineering across the UK
Frequently asked questions
When are Paulina Mierzwicka Limited's accounts due?
Paulina Mierzwicka Limited's next accounts are due at Companies House by 1 May 2027 (in 200 days), covering the period to 31 August 2026.
When is Paulina Mierzwicka 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 31 July 2026, due by 31 July 2027, and one for the period to 31 August 2026, due by 31 August 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Paulina Mierzwicka Limited still trading?
Paulina Mierzwicka Limited 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 Paulina Mierzwicka Limited do?
Paulina Mierzwicka Limited is registered under Construction of utility projects for electricity and telecommunications (SIC 42220); Other telecommunications activities (SIC 61900); Renting and leasing of construction and civil engineering machinery and equipment (SIC 77320).
How old is Paulina Mierzwicka Limited?
Paulina Mierzwicka Limited was incorporated on 1 August 2025, 1 year ago.
What is the penalty if Paulina Mierzwicka 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 Paulina Mierzwicka Limited 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.