- Companies
- Civil engineering
- London
- Unicorn Consulting Engineers Limited
Unicorn Consulting Engineers Limited
- Company number
- 13407665
- Incorporated
- 19 May 20215 years trading
- Registered office
- 3RD Floor, 86-90 Paul Street, London, EC2A 4NE
- Nature of business
- Construction of other civil engineering projects n.e.c.; Management consultancy activities other than financial management; Engineering design activities for industrial process and production; Other engineering activities
Unicorn Consulting Engineers Limited is a 5-year-old private limited company registered in London, company number 13407665, one of 1,853 civil engineering contractors in London. Its next accounts are due at Companies House on 30 November 2027, and the CT600 for the period to 28 February 2027 is due at HMRC on 28 February 2028.
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 £4,348 (-45.5%) on the year before, to £5,207.
- Net assets rose in 3 of 4 year-on-year comparisons on record.
- Current assets of £18K against £13K owed within a year: 1.4 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 5 years, 2022 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2026 | £5,207 | £18K | £13K | 1 | |
| 28 Feb 2025 | £9,555 | £14K | £1,323 | 1 | |
| 29 Feb 2024 | £9,519 | £13K | £1,637 | 1 | |
| 28 Feb 2023 | £9,422 | £11K | £138 | 1 | |
| 28 Feb 2022 | £9,363 | £20K | £11K | 0 |
Where Unicorn Consulting Engineers Limited is registered
The registered office is in London (EC2A), in the Hackney local authority area, London. Show EC2A 4NE on a map.
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Shared registered office
172 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 Unicorn Consulting Engineers 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 30 November 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2027 to 31 Dec 2027 | £150 |
| 1 to 3 months late | 1 Jan 2028 to 29 Feb 2028 | £375 |
| 3 to 6 months late | 1 Mar 2028 to 31 May 2028 | £750 |
| More than 6 months late | From 1 Jun 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Feb 2028 | £200 |
| 3 months late | 28 May 2028 | another £200 |
| 6 months late | 28 Aug 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 13407665
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 May 2021 (5 years ago)
- Registered office
- 3RD Floor, 86-90 Paul Street, London, EC2A 4NE
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
Management consultancy activities other than financial management (SIC 70229)
Engineering design activities for industrial process and production (SIC 71121)
Other engineering activities (SIC 71129) - Year end
- 28 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 February 2026
- Last confirmation statement
- 13 May 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.
- Unlimited Green Energy Corporation Limited2021
- Urban Civils Limited2026
- Urban Core Construction Limited2018
- Urban Heating & Property Ltd2025
- Urbanscape Renewals and Maintenance Services Ltd2026
- Usebank Ltd2005
- Uthshak Ltd2025
- Utility City Ltd2023
All civil engineering contractors in London · All trades in London · Civil engineering across the UK
Frequently asked questions
When are Unicorn Consulting Engineers Limited's accounts due?
Unicorn Consulting Engineers Limited's next accounts are due at Companies House by 30 November 2027 (in 413 days), covering the period to 28 February 2027.
When is Unicorn Consulting Engineers Limited's CT600 due?
The CT600 for the period to 28 February 2027 is due at HMRC by 28 February 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2027.
Is Unicorn Consulting Engineers Limited still trading?
Unicorn Consulting Engineers 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 Unicorn Consulting Engineers Limited do?
Unicorn Consulting Engineers Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990); Management consultancy activities other than financial management (SIC 70229); Engineering design activities for industrial process and production (SIC 71121); Other engineering activities (SIC 71129).
How old is Unicorn Consulting Engineers Limited?
Unicorn Consulting Engineers Limited was incorporated on 19 May 2021, 5 years ago.
What is the penalty if Unicorn Consulting Engineers 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 Unicorn Consulting Engineers 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.