- Companies
- Civil engineering
- London
- Optima GS Ltd
Optima GS Ltd
- Company number
- 12263009
- Incorporated
- 15 Oct 20196 years trading
- Registered office
- 128 City Road, London, EC1V 2NX
- Nature of business
- Construction of other civil engineering projects n.e.c.; Taxi operation; Other information technology service activities; Management of real estate on a fee or contract basis
Optima GS Ltd is a 6-year-old private limited company registered in London, company number 12263009, one of 1,853 civil engineering contractors in London. 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 down £123 (-5.3%) on the year before, to £2,214.
- Net assets rose in 2 of 5 year-on-year comparisons on record.
- Current assets of £3,314 against £1,100 owed within a year: 3.0 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £2,214 | £3,314 | £1,100 | 1 | |
| 31 Dec 2024 | £2,337 | £4,637 | £2,300 | 1 | |
| 31 Dec 2023 | £2,993 | £5,293 | 0 | ||
| 31 Dec 2022 | £1,114 | £7,614 | 1 | ||
| 31 Dec 2021 | £2,727 | £7,273 | 1 | ||
| 31 Oct 2020 | £100 | £100 | 1 |
Where Optima GS Ltd is registered
The registered office is in London (EC1V), in the Islington local authority area, London. Show EC1V 2NX on a map.
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Shared registered office
2,436 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 Optima GS 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
- 12263009
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 October 2019 (6 years ago)
- Registered office
- 128 City Road, London, EC1V 2NX
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
Taxi operation (SIC 49320)
Other information technology service activities (SIC 62090)
Management of real estate on a fee or contract basis (SIC 68320) - Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 20 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 London
Other active civil engineering contractors registered in London.
- Opus Rail Ltd2024
- Oracha Infra Services Ltd2019
- Oran Engineering Limited2012
- Orantez Developments Ltd2008
- Ori Gelfer Limited2002
- Oriana777 Ltd2025
- Ortex Investments Limited2000
- Osazuwa Adoghe Ltd2019
All civil engineering contractors in London · All trades in London · Civil engineering across the UK
Frequently asked questions
When are Optima GS Ltd's accounts due?
Optima GS 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 Optima GS 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 Optima GS Ltd still trading?
Optima GS Ltd 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 Optima GS Ltd do?
Optima GS Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990); Taxi operation (SIC 49320); Other information technology service activities (SIC 62090); Management of real estate on a fee or contract basis (SIC 68320).
How old is Optima GS Ltd?
Optima GS Ltd was incorporated on 15 October 2019, 6 years ago.
What is the penalty if Optima GS 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 Optima GS Ltd 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.