- Companies
- Civil engineering
- London
- Optif Ltd
Optif Ltd
- Company number
- 16431408
- Incorporated
- 6 May 20251 year trading
- Registered office
- Capital Office City Road, 124-128 City Road, London, EC1V 2NX
- Nature of business
- Construction of utility projects for electricity and telecommunications; Wired telecommunications activities; Other engineering activities; Other business support service activities n.e.c.
Optif Ltd is a 1-year-old private limited company registered in London, company number 16431408, one of 1,853 civil engineering contractors in London. Its next accounts are due at Companies House on 6 February 2027, and its first CT600 is due at HMRC on 5 May 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Financial snapshot, 2026
From the balance sheet at 31 May 2026, as filed at Companies House.
Who runs and owns Optif Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| F*** T*** | Director | May 2025 |
Person with significant control
Where Optif 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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What happens if Optif 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 6 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 7 Feb 2027 to 6 Mar 2027 | £150 |
| 1 to 3 months late | 7 Mar 2027 to 6 May 2027 | £375 |
| 3 to 6 months late | 7 May 2027 to 6 Aug 2027 | £750 |
| More than 6 months late | From 7 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 16431408
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 May 2025 (1 year ago)
- Registered office
- Capital Office City Road, 124-128 City Road, London, EC1V 2NX
- Nature of business
- Construction of utility projects for electricity and telecommunications (SIC 42220)
Wired telecommunications activities (SIC 61100)
Other engineering activities (SIC 71129)
Other business support service activities n.e.c. (SIC 82990) - Year end
- 31 May (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 9 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 London
Other active civil engineering contractors registered in London.
- Optima GS Ltd2019
- Opus Rail Ltd2024
- Oracha Infra Services Ltd2019
- Oran Engineering Limited2012
- Orantez Developments Ltd2008
- Ori Gelfer Limited2002
- Oriana777 Ltd2025
- Ortex Investments Limited2000
All civil engineering contractors in London · All trades in London · Civil engineering across the UK
Frequently asked questions
When are Optif Ltd's accounts due?
Optif Ltd's next accounts are due at Companies House by 6 February 2027 (in 117 days), covering the period to 31 May 2026.
When is Optif Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 5 May 2026, due by 5 May 2027, and one for the period to 31 May 2026, due by 31 May 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Optif Ltd still trading?
Optif 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 Optif Ltd do?
Optif Ltd is registered under Construction of utility projects for electricity and telecommunications (SIC 42220); Wired telecommunications activities (SIC 61100); Other engineering activities (SIC 71129); Other business support service activities n.e.c. (SIC 82990).
How old is Optif Ltd?
Optif Ltd was incorporated on 6 May 2025, 1 year ago.
Who runs Optif Ltd?
Optif Ltd has 1 active director, the longest-serving appointed in May 2025. Their names and service addresses are on the Companies House register.
Who owns Optif Ltd?
One person or company has significant control of Optif Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Optif 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 Optif 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.