- Companies
- Civil engineering
- London
- Dawid Oparski Ltd
Dawid Oparski Ltd
- Company number
- 10626223
- Incorporated
- 17 Feb 20179 years trading
- Registered office
- C/O Hard Hat Group, 320 City Road, London, EC1V 2NZ
- Nature of business
- Construction of other civil engineering projects n.e.c.
Dawid Oparski Ltd is a 9-year-old private limited company registered in London, company number 10626223, one of 1,853 civil engineering contractors in London. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 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 down £35K (-300.2%) on the year before, to -£46K.
- Net assets rose in 3 of 7 year-on-year comparisons on record.
- Current assets of £16K against £62K owed within a year: 0.3 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 8 years, 2018 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2025 | -£46K | £16K | £16K | £62K | 1 |
| 29 Feb 2024 | -£12K | £42K | £46K | £57K | 1 |
| 28 Feb 2023 | -£32K | £2,050 | £2,050 | £34K | 1 |
| 28 Feb 2022 | -£14K | £8,030 | £12K | £26K | 1 |
| 28 Feb 2021 | £42K | £16K | £61K | £20K | 1 |
| 29 Feb 2020 | £53K | £33K | £75K | £23K | 1 |
| 28 Feb 2019 | £25K | £37 | £41K | £15K | 1 |
| 28 Feb 2018 | £18K | £8,763 | £28K | £9,235 | 1 |
Where Dawid Oparski Ltd is registered
The registered office is in London (EC1V), in the Islington local authority area, London. Show EC1V 2NZ on a map.
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- Cathal Od Solutions LtdSpecialist contractors
Shared registered office
67 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Dawid Oparski 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 30 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 10626223
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 February 2017 (9 years ago)
- Registered office
- C/O Hard Hat Group, 320 City Road, London, EC1V 2NZ
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 2 February 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 London
Other active civil engineering contractors registered in London.
- Dawit Gebremikael Ltd2025
- Dawood Limited2016
- DBM Global Limited2005
- DC Green Management Limited2024
- Debco FMS Ltd2007
- Debsheda UK Ltd2014
- Decorating Masters Limited1968
- Deejay Solutions Ltd2025
All civil engineering contractors in London · All trades in London · Civil engineering across the UK
Frequently asked questions
When are Dawid Oparski Ltd's accounts due?
Dawid Oparski Ltd's next accounts are due at Companies House by 30 November 2026 (in 48 days), covering the period to 28 February 2026.
When is Dawid Oparski Ltd's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is Dawid Oparski Ltd still trading?
Dawid Oparski 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 Dawid Oparski Ltd do?
Dawid Oparski Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Dawid Oparski Ltd?
Dawid Oparski Ltd was incorporated on 17 February 2017, 9 years ago.
What is the penalty if Dawid Oparski 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 Dawid Oparski 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.