- Companies
- Civil engineering
- Middlesbrough
- Ef Contractors Ltd
Company profile · Civil engineering
Ef Contractors Ltd
Ef Contractors Ltd is a 2-year-old private limited company registered in Middlesbrough, company number 15928632, one of 101 civil engineering contractors in Middlesbrough. Companies House shows its accounts as overdue: they were due on 2 September 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.
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Where Ef Contractors Ltd is registered
The registered office is in Middlesbrough (TS3), in the Middlesbrough local authority area, North East. Show TS3 8TF on a map.
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Also registered at this address
1 other company uses the same registered office as Ef Contractors Ltd.
- Mileham Electrical LtdElectricians
What happens if Ef Contractors Ltd files late
If the accounts reach Companies House today, the late filing penalty is £375 (£750 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 3 Sep 2026 to 2 Oct 2026 | £150 |
| 1 to 3 months late | 3 Oct 2026 to 2 Dec 2026 | £375 |
| 3 to 6 months late | 3 Dec 2026 to 2 Mar 2027 | £750 |
| More than 6 months late | From 3 Mar 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2026 | £200 |
| 3 months late | 30 Dec 2026 | another £200 |
| 6 months late | 30 Mar 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 2027 | 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
- 15928632
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 2 September 2024 (2 years ago)
- Registered office
- C/O Fortis Accountancy, Queensway House, Queensway, Middlesbrough, TS3 8TF
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 30 September (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 1 September 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 Middlesbrough
Other active civil engineering contractors registered in Middlesbrough.
- Emmajid Ventures Limited2016
- Engtech Pro Ltd2026
- Eos Devco Limited2016
- Eph Engineering Ltd2021
- Eva Risk Limited2024
- Fabrication and Access Ltd2026
- FCM Services UK Limited2022
- Flannigan Holdings Ltd2025
All civil engineering contractors in Middlesbrough · All trades in Middlesbrough · Civil engineering across the UK
Frequently asked questions
When are Ef Contractors Ltd's accounts due?
Ef Contractors Ltd's accounts were due at Companies House on 2 September 2026 and the register shows them as overdue.
When is Ef Contractors 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 1 September 2025, due by 1 September 2026, and one for the period to 30 September 2025, due by 30 September 2026. Corporation tax is payable 9 months and 1 day after the end of each.
Is Ef Contractors Ltd still trading?
Ef Contractors 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 Ef Contractors Ltd do?
Ef Contractors Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Ef Contractors Ltd?
Ef Contractors Ltd was incorporated on 2 September 2024, 2 years ago.
What is the penalty if Ef Contractors 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 Ef Contractors 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.