- Company number
- 17106611
- Incorporated
- 20 Mar 2026
- Registered office
- 21 Hollin Lane, Leeds, LS16 5NB
- Nature of business
- Construction of commercial buildings
Siscon Global Ltd is a newly incorporated private limited company registered in Leeds, company number 17106611, one of 532 building contractors in Leeds. Its next accounts are due at Companies House on 20 December 2027, and its first CT600 is due at HMRC on 19 March 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 Siscon Global Ltd is registered
The registered office is in Leeds (LS16), in the Leeds local authority area, Yorkshire and The Humber. Show LS16 5NB on a map.
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What happens if Siscon Global 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 20 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 21 Dec 2027 to 20 Jan 2028 | £150 |
| 1 to 3 months late | 21 Jan 2028 to 20 Mar 2028 | £375 |
| 3 to 6 months late | 21 Mar 2028 to 20 Jun 2028 | £750 |
| More than 6 months late | From 21 Jun 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 17106611
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 March 2026
- Registered office
- 21 Hollin Lane, Leeds, LS16 5NB
- Nature of business
- Construction of commercial buildings (SIC 41201)
- Year end
- 31 March (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 in Leeds
Other active building contractors registered in Leeds.
- Sla Building Services Ltd2022
- Smart Homes Global Ltd2022
- Smart Systems Solution Ltd2019
- SMHR Mann Limited2026
- Solid Lofts Limited2026
- Solo Development & Construction Limited2009
- Solootions Limited2006
- Solutions Property Services Ltd2026
All building contractors in Leeds · All trades in Leeds · Builders across the UK
Frequently asked questions
When are Siscon Global Ltd's accounts due?
Siscon Global Ltd's next accounts are due at Companies House by 20 December 2027 (in 433 days), covering the period to 31 March 2027.
When is Siscon Global 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 19 March 2027, due by 19 March 2028, and one for the period to 31 March 2027, due by 31 March 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Siscon Global Ltd still trading?
Siscon Global 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 Siscon Global Ltd do?
Siscon Global Ltd is registered under Construction of commercial buildings (SIC 41201).
How old is Siscon Global Ltd?
Siscon Global Ltd was incorporated on 20 March 2026, less than a year ago.
What is the penalty if Siscon Global 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 Siscon Global 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.