- Companies
- Plumbers and heating engineers
- Portsmouth
- Sagb Group Ltd
Sagb Group Ltd
- Company number
- 17358473
- Incorporated
- 23 Jul 2026
- Registered office
- 37 Newcomen Road, Portsmouth, PO2 8JZ
- Nature of business
- Plumbing, heat and air-conditioning installation
Sagb Group Ltd is a newly incorporated private limited company registered in Portsmouth, company number 17358473, one of 141 plumbing and heating companies in Portsmouth. Its next accounts are due at Companies House on 23 April 2028, and its first CT600 is due at HMRC on 22 July 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 Sagb Group Ltd is registered
The registered office is in Portsmouth (PO2), in the Portsmouth local authority area, South East. Show PO2 8JZ on a map.
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What happens if Sagb Group 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 23 April 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 24 Apr 2028 to 23 May 2028 | £150 |
| 1 to 3 months late | 24 May 2028 to 23 Jul 2028 | £375 |
| 3 to 6 months late | 24 Jul 2028 to 23 Oct 2028 | £750 |
| More than 6 months late | From 24 Oct 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2028 | £200 |
| 3 months late | 31 Oct 2028 | another £200 |
| 6 months late | 31 Jan 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 17358473
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 July 2026
- Registered office
- 37 Newcomen Road, Portsmouth, PO2 8JZ
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 July (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in Portsmouth
Other active plumbing and heating companies registered in Portsmouth.
- Saturn Gas Heating and Plumbing Ltd2015
- SCT Site Services Ltd2018
- SG Electrical Solutions Ltd2010
- Shedfield Plumbers Limited2015
- Silvester & Sons Plumbing & Heating Services Ltd2019
- SLG Southern Ltd2010
- SML Plumbing and Heating (Havant) Limited2009
- Solent Gas Limited2014
All plumbing and heating companies in Portsmouth · All trades in Portsmouth · Plumbers and heating engineers across the UK
Frequently asked questions
When are Sagb Group Ltd's accounts due?
Sagb Group Ltd's next accounts are due at Companies House by 23 April 2028 (in 559 days), covering the period to 31 July 2027.
When is Sagb Group 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 22 July 2027, due by 22 July 2028, and one for the period to 31 July 2027, due by 31 July 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Sagb Group Ltd still trading?
Sagb Group 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 Sagb Group Ltd do?
Sagb Group Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Sagb Group Ltd?
Sagb Group Ltd was incorporated on 23 July 2026, less than a year ago.
What is the penalty if Sagb Group 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 Sagb Group 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.