1. Companies
  2. Civil engineering
  3. St Ives
  4. Eo Infrastructure Limited

Company profile · Civil engineering

Eo Infrastructure Limited

Eo Infrastructure Limited is a 2-year-old private limited company registered in St Ives, company number 15910868, one of 13 civil engineering contractors in St Ives. Companies House shows its accounts as overdue: they were due on 21 May 2026.

Active 15910868 No accounts filed yet accounts St Ives Since 2024 Checked with Companies House 12 Oct 2026

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.

Accounts due
21 May 2026
Overdue by 144 days
For the period to 31 Aug 2025
CT600 due (first of two)
20 Aug 2026
Date passed (HMRC does not publish filings)
Period 21 Aug 2024 to 20 Aug 2025
CT600 due (second of two)
31 Aug 2026
Date passed (HMRC does not publish filings)
Period 21 Aug 2025 to 31 Aug 2025
Corporation tax payment
1 Jun 2026
Date passed
9 months and 1 day after the period end
Confirmation statement
3 Sep 2027
in 326 days
Last made up to 20 Aug 2026

Is this your company?

File the first accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.

File for Eo Infrastructure Limited

Or get a reminder before each deadline

Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.

Where Eo Infrastructure Limited is registered

Eo Infrastructure Limited's registered office on a map of the UK

The registered office is in St Ives (TR26), in the Cornwall local authority area, South West. Show TR26 2AG on a map.

Other trade companies in TR26

What happens if Eo Infrastructure Limited files late

If the accounts reach Companies House today, the late filing penalty is £750 (£1,500 if last year's accounts were also late). It rises at each step below.

Companies HouseAccounts deliveredPenalty
Up to 1 month late22 May 2026 to 21 Jun 2026£150
1 to 3 months late22 Jun 2026 to 21 Aug 2026£375
3 to 6 months late22 Aug 2026 to 21 Nov 2026£750
More than 6 months lateFrom 22 Nov 2026£1,500

Penalties double if the accounts were also late the year before.

HMRC (CT600)FromPenalty
1 day late1 Sep 2026£200
3 months late30 Nov 2026another £200
6 months late28 Feb 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Aug 2027another 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
15910868
Status
Active
Company type
Private limited company
Incorporated
21 August 2024 (2 years ago)
Registered office
Nautique Wheal Margery, Carbis Bay, St Ives, TR26 2AG
Nature of business
Construction of utility projects for electricity and telecommunications (SIC 42220)
Year end
31 August (accounting reference date)
Accounts type
No accounts filed yet
Last confirmation statement
20 August 2026
Charges (mortgages)
1 outstanding of 1 registered

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 St Ives

Other active civil engineering contractors registered in St Ives.

All civil engineering contractors in St Ives · All trades in St Ives · Civil engineering across the UK

Frequently asked questions

When are Eo Infrastructure Limited's accounts due?

Eo Infrastructure Limited's accounts were due at Companies House on 21 May 2026 and the register shows them as overdue.

When is Eo Infrastructure Limited's CT600 due?

The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 20 August 2025, due by 20 August 2026, and one for the period to 31 August 2025, due by 31 August 2026. Corporation tax is payable 9 months and 1 day after the end of each.

Is Eo Infrastructure Limited still trading?

Eo Infrastructure 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 Eo Infrastructure Limited do?

Eo Infrastructure Limited is registered under Construction of utility projects for electricity and telecommunications (SIC 42220).

How old is Eo Infrastructure Limited?

Eo Infrastructure Limited was incorporated on 21 August 2024, 2 years ago.

What is the penalty if Eo Infrastructure 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 Eo Infrastructure Limited on Companies House for filed documents, officers and the full history.

Report an error on this page

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.

File accounts + CT600File now£49Let's talk