- Companies
- Civil engineering
- Great Yarmouth
- Offshore Structural Systems Ltd
Offshore Structural Systems Ltd
- Company number
- 17033866
- Incorporated
- 15 Feb 2026
- Registered office
- The Old Orchard Doles Lane, Bradwell, Great Yarmouth, NR31 9DZ
- Nature of business
- Construction of other civil engineering projects n.e.c.
Offshore Structural Systems Ltd is a newly incorporated private limited company registered in Great Yarmouth, company number 17033866, one of 15 civil engineering contractors in Great Yarmouth. Its next accounts are due at Companies House on 15 November 2027, and its first CT600 is due at HMRC on 14 February 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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Where Offshore Structural Systems Ltd is registered
The registered office is in Great Yarmouth (NR31), in the Great Yarmouth local authority area, East of England. Show NR31 9DZ on a map.
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What happens if Offshore Structural Systems 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 15 November 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 16 Nov 2027 to 15 Dec 2027 | £150 |
| 1 to 3 months late | 16 Dec 2027 to 15 Feb 2028 | £375 |
| 3 to 6 months late | 16 Feb 2028 to 15 May 2028 | £750 |
| More than 6 months late | From 16 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Feb 2028 | £200 |
| 3 months late | 28 May 2028 | another £200 |
| 6 months late | 28 Aug 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 17033866
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 February 2026
- Registered office
- The Old Orchard Doles Lane, Bradwell, Great Yarmouth, NR31 9DZ
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 28 February (accounting reference date)
- Accounts type
- No accounts filed yet
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 Great Yarmouth
Other active civil engineering contractors registered in Great Yarmouth.
- Stowen Civils Ltd2025
- T Groome Plant Hire Limited2002
- B.C.D. Marine Limited1969
- Best Highway's Ltd2024
- Bruce Gas Solutions Limited2025
- Ceraphi Drilling Solutions Ltd2023
- DH Construction and Civils Ltd2026
- HH Beales Ltd2023
All civil engineering contractors in Great Yarmouth · All trades in Great Yarmouth · Civil engineering across the UK
Frequently asked questions
When are Offshore Structural Systems Ltd's accounts due?
Offshore Structural Systems Ltd's next accounts are due at Companies House by 15 November 2027 (in 399 days), covering the period to 28 February 2027.
When is Offshore Structural Systems Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 14 February 2027, due by 14 February 2028, and one for the period to 28 February 2027, due by 28 February 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Offshore Structural Systems Ltd still trading?
Offshore Structural Systems 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 Offshore Structural Systems Ltd do?
Offshore Structural Systems Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Offshore Structural Systems Ltd?
Offshore Structural Systems Ltd was incorporated on 15 February 2026, less than a year ago.
What is the penalty if Offshore Structural Systems 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 Offshore Structural Systems 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.