- Company number
- 16698115
- Incorporated
- 5 Sep 20251 year trading
- Registered office
- 379A Holmesdale Road, London, SE25 6PN
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings; Other building completion and finishing; Taxi operation
Sumatt Ltd is a 1-year-old private limited company registered in London, company number 16698115, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 5 June 2027, and its first CT600 is due at HMRC on 4 September 2027.
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 Sumatt Ltd is registered
The registered office is in London (SE25), in the Croydon local authority area, London. Show SE25 6PN on a map.
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- Madej Property Maintenance LtdFinishing trades
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- GCS Electrical Services LimitedElectricians
What happens if Sumatt 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 5 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 6 Jun 2027 to 5 Jul 2027 | £150 |
| 1 to 3 months late | 6 Jul 2027 to 5 Sep 2027 | £375 |
| 3 to 6 months late | 6 Sep 2027 to 5 Dec 2027 | £750 |
| More than 6 months late | From 6 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 2028 | 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
- 16698115
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 September 2025 (1 year ago)
- Registered office
- 379A Holmesdale Road, London, SE25 6PN
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202)
Other building completion and finishing (SIC 43390)
Taxi operation (SIC 49320) - Year end
- 30 September (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 17 June 2026
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 London
Other active building contractors registered in London.
- Summa Invest Ltd2025
- Summersalt Properties Limited2019
- Summi Builders Ltd2024
- Sumnima Paruhang Ltd2025
- Sun Spark Solutions Limited2023
- Sunconstruct Ltd2026
- Sunglow Restaurant Ltd2024
- Sunny Day 7 Ltd2023
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are Sumatt Ltd's accounts due?
Sumatt Ltd's next accounts are due at Companies House by 5 June 2027 (in 235 days), covering the period to 30 September 2026.
When is Sumatt 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 4 September 2026, due by 4 September 2027, and one for the period to 30 September 2026, due by 30 September 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Sumatt Ltd still trading?
Sumatt 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 Sumatt Ltd do?
Sumatt Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202); Other building completion and finishing (SIC 43390); Taxi operation (SIC 49320).
How old is Sumatt Ltd?
Sumatt Ltd was incorporated on 5 September 2025, 1 year ago.
What is the penalty if Sumatt 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 Sumatt 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.