- Companies
- Specialist contractors
- Belfast
- Sjo Offshore Limited
Sjo Offshore Limited
- Company number
- NI734038
- Incorporated
- 3 Oct 20251 year trading
- Registered office
- 69 London Road, Belfast, BT6 8EZ
- Nature of business
- Other specialised construction activities n.e.c.
Sjo Offshore Limited is a 1-year-old private limited company registered in Belfast, company number NI734038, one of 110 specialist construction companies in Belfast. Its next accounts are due at Companies House on 3 July 2027, and its first CT600 is due at HMRC on 2 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 Sjo Offshore Limited is registered
The registered office is in Belfast (BT6), in the Belfast local authority area, Northern Ireland. Show BT6 8EZ on a map.
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- JD Constructions & Patios LtdLandscapers and gardeners
- Belfast Commercial Cleaning LtdCleaning companies
What happens if Sjo Offshore 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 3 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 4 Jul 2027 to 3 Aug 2027 | £150 |
| 1 to 3 months late | 4 Aug 2027 to 3 Oct 2027 | £375 |
| 3 to 6 months late | 4 Oct 2027 to 3 Jan 2028 | £750 |
| More than 6 months late | From 4 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
- NI734038
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 3 October 2025 (1 year ago)
- Registered office
- 69 London Road, Belfast, BT6 8EZ
- 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 Belfast
Other active specialist construction companies registered in Belfast.
- Slabz Ltd2024
- SP Magowan Limited2016
- Stabilisure Ltd2018
- Stephen Davidson Gas Services Ltd2018
- Stephen King Home Improvements Ltd2026
- Surface Corrosion Consultants Ltd2010
- T.F. Brickwork Limited2026
- The Prop Makers Limited2023
All specialist construction companies in Belfast · All trades in Belfast · Specialist contractors across the UK
Frequently asked questions
When are Sjo Offshore Limited's accounts due?
Sjo Offshore Limited's next accounts are due at Companies House by 3 July 2027 (in 263 days), covering the period to 31 October 2026.
When is Sjo Offshore 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 2 October 2026, due by 2 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 Sjo Offshore Limited still trading?
Sjo Offshore 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 Sjo Offshore Limited do?
Sjo Offshore Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Sjo Offshore Limited?
Sjo Offshore Limited was incorporated on 3 October 2025, 1 year ago.
What is the penalty if Sjo Offshore 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 Sjo Offshore 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.