- Companies
- Civil engineering
- Leicester
- Mirror Underground Assets Ltd
Mirror Underground Assets Ltd
- Company number
- 12862389
- Incorporated
- 7 Sep 20206 years trading
- Registered office
- Flat 6 Tiffany Court, Albert Road, Leicester, Leicestershire, LE2 2AA
- Nature of business
- Construction of other civil engineering projects n.e.c.
Mirror Underground Assets Ltd is a 6-year-old private limited company registered in Leicester, company number 12862389, one of 78 civil engineering contractors in Leicester. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 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 £315 (-56%) on the year before, to £248.
- Net assets rose in 1 of 4 year-on-year comparisons on record.
- Current assets of £85K against £121K owed within a year: 0.7 times cover.
- 1 employee on average during the year.
- 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 Sep 2025 | £248 | £85K | £121K | 1 | |
| 30 Sep 2024 | £563 | £78K | £104K | 1 | |
| 30 Sep 2023 | £140 | £23K | £44K | 1 | |
| 30 Sep 2022 | £10K | £16K | £31K | 2 | |
| 30 Sep 2021 | £16K | £21K | £34K | 2 |
Public contracts won
Mirror Underground Assets Ltd has one public sector contract award on record; the ones with their own published value total £59K (2025). Source: Contracts Finder and Find a Tender award notices.
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| Coventry City Council | Topographical (TOPO) and Ground Penetrating Radar (GPR) surveys | £59K | 12 Nov 2025 |
Where Mirror Underground Assets Ltd is registered
The registered office is in Leicester (LE2), in the Leicester local authority area, East Midlands. Show LE2 2AA on a map.
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What happens if Mirror Underground Assets 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 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 12862389
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 September 2020 (6 years ago)
- Registered office
- Flat 6 Tiffany Court, Albert Road, Leicester, Leicestershire, LE2 2AA
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 1 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 Leicester
Other active civil engineering contractors registered in Leicester.
- Mjain Ltd2025
- MKC Design Consultants Ltd2021
- MPH Construction (Lutterworth) Limited2014
- MR.Singh Saving Energy Limited2025
- New Surfacing Ltd2021
- Newbuild Homes Limited1998
- Newline Civil Engineering Limited1994
- Nexbuild Networks Ltd2026
All civil engineering contractors in Leicester · All trades in Leicester · Civil engineering across the UK
Frequently asked questions
When are Mirror Underground Assets Ltd's accounts due?
Mirror Underground Assets Ltd's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is Mirror Underground Assets Ltd's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is Mirror Underground Assets Ltd still trading?
Mirror Underground Assets 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 Mirror Underground Assets Ltd do?
Mirror Underground Assets Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Mirror Underground Assets Ltd?
Mirror Underground Assets Ltd was incorporated on 7 September 2020, 6 years ago.
Has Mirror Underground Assets Ltd won public sector contracts?
Yes. Mirror Underground Assets Ltd has one contract award from public bodies on Contracts Finder and Find a Tender (those with their own published value total £59K), most recently from Coventry City Council.
What is the penalty if Mirror Underground Assets 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 Mirror Underground Assets 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.