- Companies
- Civil engineering
- Birmingham
- Zarcon Ltd
Zarcon Ltd
- Company number
- 07411339
- Incorporated
- 18 Oct 201015 years trading
- Registered office
- Ground Floor, One Victoria Square, Birmingham, B1 1BD
- Nature of business
- Construction of other civil engineering projects n.e.c.
Zarcon Ltd is a 15-year-old private limited company registered in Birmingham, company number 07411339, one of 278 civil engineering contractors in Birmingham. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 unchanged on the year before, at £123K.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £24 against £22K owed within a year: 0.0 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £123K | £24 | £22K | 0 | |
| 31 Dec 2024 | £123K | £419 | £22K | 1 | |
| 31 Dec 2023 | £123K | £3,011 | £20K | 1 | |
| 31 Dec 2022 | £91K | £668 | £20K | 1 | |
| 31 Dec 2021 | £9,019 | £6,222 | £22K | 2 | |
| 31 Dec 2020 | £10K | £510 | £30K | 0 | |
| 31 Dec 2019 | £10K | £5,189 | £27K | 1 | |
| 31 Dec 2018 | £18K | £9,112 | £27K | ||
| 31 Dec 2017 | £5,113 | £11K | £25K | ||
| 31 Dec 2016 | £3,122 | £0 | £21K | £40K |
Where Zarcon Ltd is registered
The registered office is in Birmingham (B1), in the Birmingham local authority area, West Midlands. Show B1 1BD on a map.
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What happens if Zarcon 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 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 07411339
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 October 2010 (15 years ago)
- Registered office
- Ground Floor, One Victoria Square, Birmingham, B1 1BD
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 2 October 2025
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 Birmingham
Other active civil engineering contractors registered in Birmingham.
- ZKD Limited2006
- Zone Cee Limited1984
- A Construction Services Limited1998
- A F Read Limited2024
- A Thousand Trades Ltd2026
- A&A Contractors Midlands Ltd2019
- Aayan Engineering Services Ltd2025
- Abz Electrica Ltd2026
All civil engineering contractors in Birmingham · All trades in Birmingham · Civil engineering across the UK
Frequently asked questions
When are Zarcon Ltd's accounts due?
Zarcon Ltd's next accounts are due at Companies House by 30 September 2027 (in 353 days), covering the period to 31 December 2026.
When is Zarcon Ltd's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Zarcon Ltd still trading?
Zarcon 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 Zarcon Ltd do?
Zarcon Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Zarcon Ltd?
Zarcon Ltd was incorporated on 18 October 2010, 15 years ago.
What is the penalty if Zarcon 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 Zarcon 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.