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- Civil engineering
- South Croydon
- Okktopus Ltd
Company profile · Civil engineering
Okktopus Ltd
Okktopus Ltd is a newly incorporated private limited company registered in South Croydon, company number 16936768, one of 20 civil engineering contractors in South Croydon. Its next accounts are due at Companies House on 30 September 2027, and its first CT600 is due at HMRC on 30 December 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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Where Okktopus Ltd is registered
The registered office is in South Croydon (CR2), in the Croydon local authority area, London. Show CR2 7EE on a map.
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What happens if Okktopus 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
- 16936768
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 31 December 2025
- Registered office
- Flat 4, 1 Birdhurst Road, South Croydon, CR2 7EE
- Nature of business
- Construction of railways and underground railways (SIC 42120)
- Year end
- 31 December (accounting reference date)
- Accounts type
- No accounts filed yet
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 South Croydon
Other active civil engineering contractors registered in South Croydon.
- Piled Solutions Limited2019
- PMC Construction Services Ltd2019
- Rail Power Solutions Ltd2013
- Sai Structural Design Ltd2018
- Stag Civil Engineering Ltd1990
- Structural & Civil Design Limited2008
- Structure Consult Limited2013
- ZSS Construction and Renovation Ltd2025
All civil engineering contractors in South Croydon · All trades in South Croydon · Civil engineering across the UK
Frequently asked questions
When are Okktopus Ltd's accounts due?
Okktopus 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 Okktopus 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 30 December 2026, due by 30 December 2027, and one for the period to 31 December 2026, due by 31 December 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Okktopus Ltd still trading?
Okktopus 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 Okktopus Ltd do?
Okktopus Ltd is registered under Construction of railways and underground railways (SIC 42120).
How old is Okktopus Ltd?
Okktopus Ltd was incorporated on 31 December 2025, less than a year ago.
What is the penalty if Okktopus 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 Okktopus 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.