- Companies
- Specialist contractors
- Leigh
- Seatree Site Services Limited
Seatree Site Services Limited
- Company number
- 16815601
- Incorporated
- 28 Oct 2025
- Registered office
- Holden House, Holden Road, Leigh, WN7 1EX
- Nature of business
- Other specialised construction activities n.e.c.
Seatree Site Services Limited is a newly incorporated private limited company registered in Leigh, company number 16815601, one of 28 specialist construction companies in Leigh. Its next accounts are due at Companies House on 28 July 2027, and its first CT600 is due at HMRC on 27 October 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 Seatree Site Services Limited is registered
The registered office is in Leigh (WN7), in the Wigan local authority area, North West. Show WN7 1EX on a map.
Other trade companies in WN7
- Claid LimitedInstallers
- Crown Verse LtdMotor traders
- Absd Civils LimitedCivil engineering
- N&T Appliance Spares & Repairs LtdRepair services
- PSL Plumbing Heating & Property Services LimitedPlumbers and heating engineers
- Spanner Monkey Automotive LtdMotor traders
- MC Solutions Group LtdPlumbers and heating engineers
- CJ'S Cleans and Companionship LtdCleaning companies
Also registered at this address
16 other companies use the same registered office as Seatree Site Services Limited.
- BD & P Solutions N/W LtdBuilders
- CHB Property Services LtdSpecialist contractors
- Claremont Building & Joinery Ltd.Property developers
- Complete Property Maintenance N/W LtdFinishing trades
- Econova Development LimitedProperty developers
- Harold's Interior's LtdElectricians
- Johnson Arb LtdLandscapers and gardeners
- Johnson Arb Tree Services LtdLandscapers and gardeners
- M & T Construction Services N/W LtdBuilders
- M2DR LimitedProperty developers
- N K Wheel Services LtdMachinery repair and installation
- Naylor's Motor Services LimitedMechanics and garages
- Poplar Landscapes (N/W) LimitedLandscapers and gardeners
- Salcon NW LimitedInstallers
- ST Framework Building and Joinery LtdJoiners and carpenters
- TJP & Son LimitedPlumbers and heating engineers
What happens if Seatree Site Services 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 28 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 29 Jul 2027 to 28 Aug 2027 | £150 |
| 1 to 3 months late | 29 Aug 2027 to 28 Oct 2027 | £375 |
| 3 to 6 months late | 29 Oct 2027 to 28 Jan 2028 | £750 |
| More than 6 months late | From 29 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 16815601
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 October 2025
- Registered office
- Holden House, Holden Road, Leigh, WN7 1EX
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 October (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Leigh
Other active specialist construction companies registered in Leigh.
- SG Tree Care Ltd2021
- SM@RT Technology Ltd2019
- Sure Electrical Wholesale Ltd2018
- True Fixing Limited2023
- Weir Restoration Ltd2018
- Aquarium Brothers Limited2023
- Baz B Paving Ltd2026
- Building Services & Facilities Management Ltd2014
All specialist construction companies in Leigh · All trades in Leigh · Specialist contractors across the UK
Frequently asked questions
When are Seatree Site Services Limited's accounts due?
Seatree Site Services Limited's next accounts are due at Companies House by 28 July 2027 (in 288 days), covering the period to 31 October 2026.
When is Seatree Site Services Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 27 October 2026, due by 27 October 2027, and one for the period to 31 October 2026, due by 31 October 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Seatree Site Services Limited still trading?
Seatree Site Services 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 Seatree Site Services Limited do?
Seatree Site Services Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Seatree Site Services Limited?
Seatree Site Services Limited was incorporated on 28 October 2025, less than a year ago.
What is the penalty if Seatree Site Services 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 Seatree Site Services 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.