- Companies
- Civil engineering
- Bury St Edmunds
- Energex Infrastructure Services Ltd
Energex Infrastructure Services Ltd
- Company number
- 16430008
- Incorporated
- 6 May 20251 year trading
- Registered office
- Unit 5 Sandy Lane, Badwell Ash, Bury St Edmunds, Suffolk, IP31 3FA
- Nature of business
- Construction of utility projects for fluids; Construction of utility projects for electricity and telecommunications; Other specialised construction activities n.e.c.
Energex Infrastructure Services Ltd is a 1-year-old private limited company registered in Bury St Edmunds, company number 16430008, one of 44 civil engineering contractors in Bury St Edmunds. 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.
Is this your company?
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Where Energex Infrastructure Services Ltd is registered
The registered office is in Bury St Edmunds (IP31), in the Mid Suffolk local authority area, East of England. Show IP31 3FA on a map.
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What happens if Energex Infrastructure Services 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 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 16430008
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 May 2025 (1 year ago)
- Registered office
- Unit 5 Sandy Lane, Badwell Ash, Bury St Edmunds, Suffolk, IP31 3FA
- Nature of business
- Construction of utility projects for fluids (SIC 42210)
Construction of utility projects for electricity and telecommunications (SIC 42220)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 31 October (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 5 May 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 Bury St Edmunds
Other active civil engineering contractors registered in Bury St Edmunds.
- Faysal Tamim Trading Company Limited2025
- FH City Services Limited2019
- Ficom Networks Ltd2019
- FP Maghery Civils Ltd2026
- Frontline Traffic Solutions Ltd2023
- GMG Fencing Limited2026
- IT Warehouse Ltd2024
- Jason Hughes Brickwork Limited2001
All civil engineering contractors in Bury St Edmunds · All trades in Bury St Edmunds · Civil engineering across the UK
Frequently asked questions
When are Energex Infrastructure Services Ltd's accounts due?
Energex Infrastructure Services Ltd's next accounts are due at Companies House by 6 February 2027 (in 117 days), covering the period to 31 October 2026.
When is Energex Infrastructure Services 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 October 2026, due by 31 October 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Energex Infrastructure Services Ltd still trading?
Energex Infrastructure Services 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 Energex Infrastructure Services Ltd do?
Energex Infrastructure Services Ltd is registered under Construction of utility projects for fluids (SIC 42210); Construction of utility projects for electricity and telecommunications (SIC 42220); Other specialised construction activities n.e.c. (SIC 43999).
How old is Energex Infrastructure Services Ltd?
Energex Infrastructure Services Ltd was incorporated on 6 May 2025, 1 year ago.
What is the penalty if Energex Infrastructure Services 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 Energex Infrastructure Services 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.