- Companies
- Property developers
- Royston
- Sesko Ltd
Sesko Ltd
- Company number
- 09303047
- Incorporated
- 10 Nov 201411 years trading
- Registered office
- 20 the Shires, Royston, SG8 9HZ
- Nature of business
- Development of building projects
Sesko Ltd is a 11-year-old private limited company registered in Royston, company number 09303047, one of 78 property development companies in Royston. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets up £525 (+3%) on the year before, to £18K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £21K against £2,469 owed within a year: 8.3 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2025 | £18K | £21K | £2,469 | 1 | |
| 30 Nov 2024 | £18K | £16K | £20K | £2,254 | 1 |
| 30 Nov 2023 | £16K | £9,491 | £18K | £1,902 | 1 |
| 30 Nov 2022 | £14K | £6,294 | £17K | £2,963 | 1 |
| 30 Nov 2021 | £7,194 | £6,044 | £8,068 | £874 | 1 |
| 30 Nov 2020 | £6,369 | £7,559 | £9,345 | £2,976 | 2 |
| 30 Nov 2019 | £3,834 | £4,064 | £5,744 | £1,910 | |
| 30 Nov 2018 | £50 | £2,395 | £3,547 | £3,497 | |
| 30 Nov 2017 | £1,192 | £2,850 | £4,002 | £2,810 | |
| 30 Nov 2016 | £1,574 | £1,877 | £3,117 | £1,543 |
Where Sesko Ltd is registered
The registered office is in Royston (SG8), in the North Hertfordshire local authority area, East of England. Show SG8 9HZ on a map.
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What happens if Sesko 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 31 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 09303047
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 November 2014 (11 years ago)
- Registered office
- 20 the Shires, Royston, SG8 9HZ
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 10 November 2025
Filing notes for property development companies
Many property development companies are single-project vehicles. Stock of land and buildings sits on the balance sheet as work in progress until sale, and a company that has finished its project may become dormant rather than close.
Similar companies in Royston
Other active property development companies registered in Royston.
- Shared Axis Ltd2026
- Silverley Group Limited2016
- Silverley Properties Limited2021
- SKD Real Estate Investment Limited2015
- Steve Barrett Maintenance Ltd2010
- T B Property Services Ltd2019
- Tall & Small Construction Limited2012
- TBC Developments & Construction Limited2020
All property development companies in Royston · All trades in Royston · Property developers across the UK
Frequently asked questions
When are Sesko Ltd's accounts due?
Sesko Ltd's next accounts are due at Companies House by 31 August 2027 (in 323 days), covering the period to 30 November 2026.
When is Sesko Ltd's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is Sesko Ltd still trading?
Sesko 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 Sesko Ltd do?
Sesko Ltd is registered under Development of building projects (SIC 41100).
How old is Sesko Ltd?
Sesko Ltd was incorporated on 10 November 2014, 11 years ago.
What is the penalty if Sesko 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 Sesko 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.