- Companies
- Specialist contractors
- Broxburn
- Seacon Marine Ltd
Seacon Marine Ltd
- Company number
- SC880366
- Incorporated
- 26 Feb 2026
- Registered office
- 111 Craigengar Avenue, Broxburn, West Lothian, EH52 5SR
- Nature of business
- Other specialised construction activities n.e.c.
Seacon Marine Ltd is a newly incorporated private limited company registered in Broxburn, company number SC880366, one of 9 specialist construction companies in Broxburn. Its next accounts are due at Companies House on 31 October 2027, and the CT600 for the period to 31 January 2027 is due at HMRC on 31 January 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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Who runs and owns Seacon Marine Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| M*** B*** | Director | Feb 2026 |
Person with significant control
Where Seacon Marine Ltd is registered
The registered office is in Broxburn (EH52), in the West Lothian local authority area, Scotland. Show EH52 5SR on a map.
Other trade companies in EH52
- Ulez Autos LimitedMotor traders
- Mayfield Ground Care LtdLandscapers and gardeners
- CC Autotech LtdMechanics and garages
- 4D Garage Services LtdMechanics and garages
- Fast Torque 365 LtdMotor traders
- McGowan Electrical LimitedElectricians
- Florin Property Renovation LtdProperty developers
- Quickseal (Scotland ) LimitedSpecialist contractors
What happens if Seacon Marine 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 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2027 to 30 Nov 2027 | £150 |
| 1 to 3 months late | 1 Dec 2027 to 31 Jan 2028 | £375 |
| 3 to 6 months late | 1 Feb 2028 to 30 Apr 2028 | £750 |
| More than 6 months late | From 1 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2028 | £200 |
| 3 months late | 30 Apr 2028 | another £200 |
| 6 months late | 31 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- SC880366
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 February 2026
- Registered office
- 111 Craigengar Avenue, Broxburn, West Lothian, EH52 5SR
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 January (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 Broxburn
Other active specialist construction companies registered in Broxburn.
- Core Cut Fire Protection Ltd2016
- Core Cut Limited1978
- Corejet Water Jetting Limited2013
- Demcon Training Specialists Ltd2018
- George Burns Plant Hire Limited2021
- Mackenzie Masonry Limited2020
- Quicksaw (Scotland) Limited2022
- Quickseal (Scotland ) Limited2026
All specialist construction companies in Broxburn · All trades in Broxburn · Specialist contractors across the UK
Frequently asked questions
When are Seacon Marine Ltd's accounts due?
Seacon Marine Ltd's next accounts are due at Companies House by 31 October 2027 (in 383 days), covering the period to 31 January 2027.
When is Seacon Marine Ltd's CT600 due?
The CT600 for the period to 31 January 2027 is due at HMRC by 31 January 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2027.
Is Seacon Marine Ltd still trading?
Seacon Marine 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 Seacon Marine Ltd do?
Seacon Marine Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Seacon Marine Ltd?
Seacon Marine Ltd was incorporated on 26 February 2026, less than a year ago.
Who runs Seacon Marine Ltd?
Seacon Marine Ltd has 1 active director, the longest-serving appointed in Feb 2026. Their names and service addresses are on the Companies House register.
Who owns Seacon Marine Ltd?
One person or company has significant control of Seacon Marine Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Seacon Marine 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 Seacon Marine 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.