- Companies
- Plumbers and heating engineers
- Aberdeen
- Siso Plumbing & Heating Ltd
Siso Plumbing & Heating Ltd
- Company number
- SC886671
- Incorporated
- 17 Apr 2026
- Registered office
- 154 Lee Crescent North, Aberdeen, AB22 8FR
- Nature of business
- Plumbing, heat and air-conditioning installation
Siso Plumbing & Heating Ltd is a newly incorporated private limited company registered in Aberdeen, company number SC886671, one of 82 plumbing and heating companies in Aberdeen. Its next accounts are due at Companies House on 17 January 2028, and its first CT600 is due at HMRC on 16 April 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.
Is this your company?
File the first accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Siso Plumbing & Heating LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Who runs and owns Siso Plumbing & Heating Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| S*** B*** | Director | Apr 2026 |
Person with significant control
Where Siso Plumbing & Heating Ltd is registered
The registered office is in Aberdeen (AB22), in the Aberdeen City local authority area, Scotland. Show AB22 8FR on a map.
Other trade companies in AB22
- Blue Volt Electrical LimitedElectricians
- RPQ Services LtdElectricians
- Cleangrid Electrical LtdElectricians
- Exact Electrical Services LimitedElectricians
- DL Plumbing & Heating Services LtdPlumbers and heating engineers
- PLN Property and Maintenance Services LtdBuilders
- M.S Joinery & Maintenance LtdJoiners and carpenters
- Duguid Property Services LtdProperty developers
What happens if Siso Plumbing & Heating 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 17 January 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 18 Jan 2028 to 17 Feb 2028 | £150 |
| 1 to 3 months late | 18 Feb 2028 to 17 Apr 2028 | £375 |
| 3 to 6 months late | 18 Apr 2028 to 17 Jul 2028 | £750 |
| More than 6 months late | From 18 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2028 | £200 |
| 3 months late | 30 Jul 2028 | another £200 |
| 6 months late | 30 Oct 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- SC886671
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 April 2026
- Registered office
- 154 Lee Crescent North, Aberdeen, AB22 8FR
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 April (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 Aberdeen
Other active plumbing and heating companies registered in Aberdeen.
- Steve Gray (Plumbing & Heating) Ltd.2005
- Swes & Ashgrove Limited2011
- The Gas Mannie Ltd2021
- V.K Plumbing and Heating Ltd2025
- Valcon Plumbing and Heating Limited2022
- Vimar Property Ltd2025
- Water Works Plumbing and Heating Ltd2024
- Woodcroft Plumbing & Heating Ltd2015
All plumbing and heating companies in Aberdeen · All trades in Aberdeen · Plumbers and heating engineers across the UK
Frequently asked questions
When are Siso Plumbing & Heating Ltd's accounts due?
Siso Plumbing & Heating Ltd's next accounts are due at Companies House by 17 January 2028 (in 461 days), covering the period to 30 April 2027.
When is Siso Plumbing & Heating 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 16 April 2027, due by 16 April 2028, and one for the period to 30 April 2027, due by 30 April 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Siso Plumbing & Heating Ltd still trading?
Siso Plumbing & Heating 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 Siso Plumbing & Heating Ltd do?
Siso Plumbing & Heating Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Siso Plumbing & Heating Ltd?
Siso Plumbing & Heating Ltd was incorporated on 17 April 2026, less than a year ago.
Who runs Siso Plumbing & Heating Ltd?
Siso Plumbing & Heating Ltd has 1 active director, the longest-serving appointed in Apr 2026. Their names and service addresses are on the Companies House register.
Who owns Siso Plumbing & Heating Ltd?
One person or company has significant control of Siso Plumbing & Heating Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Siso Plumbing & Heating 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 Siso Plumbing & Heating 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.