- Companies
- Electricians
- Birmingham
- Civil-I Infrastructure Ltd
Civil-I Infrastructure Ltd
- Company number
- 16689596
- Incorporated
- 2 Sep 20251 year trading
- Registered office
- Unit 3 Cuckoo Wharf, 427 Lichfield Road, Birmingham, B6 7SS
- Nature of business
- Electrical installation; Other information technology service activities
Civil-I Infrastructure Ltd is a 1-year-old private limited company registered in Birmingham, company number 16689596, one of 555 electrical contractors in Birmingham. Its next accounts are due at Companies House on 2 June 2027, and its first CT600 is due at HMRC on 1 September 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 Civil-I Infrastructure Ltd is registered
The registered office is in Birmingham (B6), in the Birmingham local authority area, West Midlands. Show B6 7SS on a map.
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Also registered at this address
18 other companies use the same registered office as Civil-I Infrastructure Ltd.
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- Resin 8 Driveways LtdLandscapers and gardeners
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What happens if Civil-I Infrastructure 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 2 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 3 Jun 2027 to 2 Jul 2027 | £150 |
| 1 to 3 months late | 3 Jul 2027 to 2 Sep 2027 | £375 |
| 3 to 6 months late | 3 Sep 2027 to 2 Dec 2027 | £750 |
| More than 6 months late | From 3 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 16689596
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 2 September 2025 (1 year ago)
- Registered office
- Unit 3 Cuckoo Wharf, 427 Lichfield Road, Birmingham, B6 7SS
- Nature of business
- Electrical installation (SIC 43210)
Other information technology service activities (SIC 62090) - Year end
- 30 September (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 15 April 2026
- Previous names
- Connect Civils Group Ltd (until 13 Apr 2026)
Connect Civils South Limited (until 12 Mar 2026)
Connect Civils Limited (until 11 Feb 2026)
Connected Civils Limited (until 24 Nov 2025)
Filing notes for electrical contractors
Electrical contracting companies are often a director plus a van and tools. Most fall within the micro-entity rules, so the accounts filed at Companies House are short, and the CT600 carries the tax detail.
Similar companies in Birmingham
Other active electrical contractors registered in Birmingham.
- CJ Fletcher Ltd2024
- Click&Switch Ltd2024
- Clifford Property Services Ltd2017
- Codestay Limited1987
- Commercial Electrical Services Ltd2026
- Compass Mechanical Solutions Limited2025
- Concept Service Solutions Ltd2025
- Cornerstone Electrical Ltd2025
All electrical contractors in Birmingham · All trades in Birmingham · Electricians across the UK
Frequently asked questions
When are Civil-I Infrastructure Ltd's accounts due?
Civil-I Infrastructure Ltd's next accounts are due at Companies House by 2 June 2027 (in 232 days), covering the period to 30 September 2026.
When is Civil-I Infrastructure 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 2026, due by 1 September 2027, and one for the period to 30 September 2026, due by 30 September 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Civil-I Infrastructure Ltd still trading?
Civil-I Infrastructure 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 Civil-I Infrastructure Ltd do?
Civil-I Infrastructure Ltd is registered under Electrical installation (SIC 43210); Other information technology service activities (SIC 62090).
How old is Civil-I Infrastructure Ltd?
Civil-I Infrastructure Ltd was incorporated on 2 September 2025, 1 year ago.
What is the penalty if Civil-I Infrastructure 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 Civil-I Infrastructure 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.