Ag Solar Energy Ltd
- Company number
- 16997446
- Incorporated
- 29 Jan 2026
- Registered office
- Unit A 82 James Carter Road, Mildenhall Industrial Estate, Suffolk, IP28 7DE
- Nature of business
- Construction of commercial buildings; Construction of utility projects for electricity and telecommunications; Electrical installation; Activities of construction holding companies
Ag Solar Energy Ltd is a newly incorporated private limited company registered in Suffolk, company number 16997446, one of the UK's building contractors. Its next accounts are due at Companies House on 29 October 2027, and its first CT600 is due at HMRC on 28 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 Ag Solar Energy Ltd is registered
The registered office is in Suffolk (IP28), in the West Suffolk local authority area, East of England. Show IP28 7DE on a map.
Other trade companies in IP28
- Zamzam Global Travel and Tours LtdMotor traders
- Rowley Construction Solutions LtdBuilders
- Palatone LtdRepair services
- Local Roofing N Chimneys LimitedRoofers
- SC Joinery and Building Solutions LtdBuilders
- Scuffiq LtdMechanics and garages
- DG Classic Cars LtdMotor traders
- E.B. Fitch Historic Buildings Specialists LtdPainters and decorators
Shared registered office
150 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Ag Solar Energy 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 29 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 30 Oct 2027 to 29 Nov 2027 | £150 |
| 1 to 3 months late | 30 Nov 2027 to 29 Jan 2028 | £375 |
| 3 to 6 months late | 30 Jan 2028 to 29 Apr 2028 | £750 |
| More than 6 months late | From 30 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
- 16997446
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 January 2026
- Registered office
- Unit A 82 James Carter Road, Mildenhall Industrial Estate, Suffolk, IP28 7DE
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of utility projects for electricity and telecommunications (SIC 42220)
Electrical installation (SIC 43210)
Activities of construction holding companies (SIC 64203) - Year end
- 31 January (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies
Other active building contractors.
Frequently asked questions
When are Ag Solar Energy Ltd's accounts due?
Ag Solar Energy Ltd's next accounts are due at Companies House by 29 October 2027 (in 380 days), covering the period to 31 January 2027.
When is Ag Solar Energy 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 28 January 2027, due by 28 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 Ag Solar Energy Ltd still trading?
Ag Solar Energy 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 Ag Solar Energy Ltd do?
Ag Solar Energy Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of utility projects for electricity and telecommunications (SIC 42220); Electrical installation (SIC 43210); Activities of construction holding companies (SIC 64203).
How old is Ag Solar Energy Ltd?
Ag Solar Energy Ltd was incorporated on 29 January 2026, less than a year ago.
What is the penalty if Ag Solar Energy 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 Ag Solar Energy 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.