- Companies
- Specialist contractors
- Derby
- Fullphase Eco Ltd
Fullphase Eco Ltd
- Company number
- 16950050
- Incorporated
- 8 Jan 2026
- Registered office
- 8B the Spittal, Derby, DE74 2NQ
- Nature of business
- Other specialised construction activities n.e.c.
Fullphase Eco Ltd is a newly incorporated private limited company registered in Derby, company number 16950050, one of 161 specialist construction companies in Derby. Its next accounts are due at Companies House on 8 October 2027, and its first CT600 is due at HMRC on 7 January 2028.
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 Fullphase Eco Ltd is registered
The registered office is in Derby (DE74), in the North West Leicestershire local authority area, East Midlands. Show DE74 2NQ on a map.
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What happens if Fullphase Eco 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 8 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 9 Oct 2027 to 8 Nov 2027 | £150 |
| 1 to 3 months late | 9 Nov 2027 to 8 Jan 2028 | £375 |
| 3 to 6 months late | 9 Jan 2028 to 8 Apr 2028 | £750 |
| More than 6 months late | From 9 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2028 | £200 |
| 3 months late | 30 Apr 2028 | another £200 |
| 6 months late | 31 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 2029 | 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
- 16950050
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 January 2026
- Registered office
- 8B the Spittal, Derby, DE74 2NQ
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 January (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Derby
Other active specialist construction companies registered in Derby.
- Galden Hands Builders Limited2026
- Garage Door Repair Man Limited2015
- GK Building and Construction Ltd2020
- Grayson Shopfitters Ltd2022
- Green Circle Aggregates & Asphalt Limited2025
- Grey Gold Concrete Services Ltd2026
- Grey Gold Contractors Ltd2026
- GSC Concreting Ltd2026
All specialist construction companies in Derby · All trades in Derby · Specialist contractors across the UK
Frequently asked questions
When are Fullphase Eco Ltd's accounts due?
Fullphase Eco Ltd's next accounts are due at Companies House by 8 October 2027 (in 361 days), covering the period to 31 January 2027.
When is Fullphase Eco 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 7 January 2027, due by 7 January 2028, and one for the period to 31 January 2027, due by 31 January 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Fullphase Eco Ltd still trading?
Fullphase Eco 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 Fullphase Eco Ltd do?
Fullphase Eco Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Fullphase Eco Ltd?
Fullphase Eco Ltd was incorporated on 8 January 2026, less than a year ago.
What is the penalty if Fullphase Eco 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 Fullphase Eco 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.