- Companies
- Civil engineering
- Liverpool
- Optimal 5 Star Limited
Optimal 5 Star Limited
- Company number
- 07031958
- Incorporated
- 28 Sep 200917 years trading
- Registered office
- C/O Stuart McBain Ltd (Accountants), 7 De Havilland Drive, Liverpool, L24 8RN
- Nature of business
- Construction of other civil engineering projects n.e.c.
Optimal 5 Star Limited is a 17-year-old private limited company registered in Liverpool, company number 07031958, one of 284 civil engineering contractors in Liverpool. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 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 £27K (-23.9%) on the year before, to -£139K.
- Net assets rose in 2 of 9 year-on-year comparisons on record.
- 2 employees on average during the year.
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | -£139K | £2,045 | £147K | 2 | |
| 31 Mar 2025 | -£112K | £15K | £138K | 2 | |
| 31 Mar 2024 | -£87K | £7,845 | £7,845 | £110K | 2 |
| 31 Mar 2023 | -£46K | £4,479 | £5,010 | £65K | 2 |
| 31 Mar 2022 | -£44K | £1,508 | £18K | £79K | 2 |
| 31 Mar 2021 | -£20K | £2,977 | £49K | £69K | 2 |
| 31 Mar 2020 | -£37K | £606 | £714 | £38K | |
| 31 Mar 2019 | £24K | £496 | £24K | ||
| 31 Mar 2018 | -£7,528 | £337 | £7,865 | ||
| 31 Mar 2017 | £17K | £6,830 | £20K | £3,256 |
Where Optimal 5 Star Limited is registered
The registered office is in Liverpool (L24), in the Liverpool local authority area, North West. Show L24 8RN on a map.
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- LCL Roofing & Building LtdRoofers
Shared registered office
55 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 Optimal 5 Star 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 31 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 07031958
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 September 2009 (17 years ago)
- Registered office
- C/O Stuart McBain Ltd (Accountants), 7 De Havilland Drive, Liverpool, L24 8RN
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 28 September 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 Liverpool
Other active civil engineering contractors registered in Liverpool.
- Optimum Jointing Solutions Ltd2026
- Optus Exactus Limited2025
- Overchurch Building & Commercial Property Limited2013
- P Mack Limited2025
- PCW Site Solutions Ltd2016
- PDC North West Ltd2025
- Phil Foy Ltd2016
- Phoenix Civils Engineering Ltd2026
All civil engineering contractors in Liverpool · All trades in Liverpool · Civil engineering across the UK
Frequently asked questions
When are Optimal 5 Star Limited's accounts due?
Optimal 5 Star Limited's next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.
When is Optimal 5 Star Limited's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is Optimal 5 Star Limited still trading?
Optimal 5 Star Limited is listed as active on the Companies House register (checked 12 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 Optimal 5 Star Limited do?
Optimal 5 Star Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Optimal 5 Star Limited?
Optimal 5 Star Limited was incorporated on 28 September 2009, 17 years ago.
What is the penalty if Optimal 5 Star 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 Optimal 5 Star Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.