- Companies
- Civil engineering
- Hamilton
- Sesysy Limited
Sesysy Limited
- Company number
- 15828843
- Incorporated
- 9 Jul 20242 years trading
- Registered office
- 28 Stillington Crescent, Hamilton, Leicester, LE5 1BR
- Nature of business
- Construction of other civil engineering projects n.e.c.; Management consultancy activities other than financial management; Other education n.e.c.
Sesysy Limited is a 2-year-old private limited company registered in Hamilton, company number 15828843, one of 40 civil engineering contractors in Hamilton. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 July 2025, as filed at Companies House. Negative net assets mean the company owed more than it owned at that date.
Where Sesysy Limited is registered
The registered office is in Hamilton (LE5), in the Leicester local authority area, East Midlands. Show LE5 1BR on a map.
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Also registered at this address
1 other company uses the same registered office as Sesysy Limited.
- Gulf Falcon LtdInstallers
What happens if Sesysy Limited 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 30 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 15828843
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 July 2024 (2 years ago)
- Registered office
- 28 Stillington Crescent, Hamilton, Leicester, LE5 1BR
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
Management consultancy activities other than financial management (SIC 70229)
Other education n.e.c. (SIC 85590) - Year end
- 31 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 8 July 2026
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Hamilton
Other active civil engineering contractors registered in Hamilton.
- Signsafe Traffic Ltd2018
- SK Jointing Ltd2026
- Topteam Groundworks & Surfacing Ltd2026
- Unity1 Electrical Contractors Ltd2017
- Verticlimb Ltd2025
- West Saval Battery Storage Limited2022
- Ace Paving Strathclyde Ltd2025
- Aerlift Limited2008
All civil engineering contractors in Hamilton · All trades in Hamilton · Civil engineering across the UK
Frequently asked questions
When are Sesysy Limited's accounts due?
Sesysy Limited's next accounts are due at Companies House by 30 April 2027 (in 199 days), covering the period to 31 July 2026.
When is Sesysy Limited's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is Sesysy Limited still trading?
Sesysy Limited 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 Sesysy Limited do?
Sesysy Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990); Management consultancy activities other than financial management (SIC 70229); Other education n.e.c. (SIC 85590).
How old is Sesysy Limited?
Sesysy Limited was incorporated on 9 July 2024, 2 years ago.
What is the penalty if Sesysy Limited 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 Sesysy Limited 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.