- Companies
- Civil engineering
- South Shields
- MJG. Marine Limited
MJG. Marine Limited
- Company number
- 17470780
- Incorporated
- 21 Sep 2026
- Registered office
- 3 Brunswick Street, South Shields, NE33 5RE
- Nature of business
- Construction of other civil engineering projects n.e.c.; Painting
MJG. Marine Limited is a newly incorporated private limited company registered in South Shields, company number 17470780, one of 25 civil engineering contractors in South Shields. Its next accounts are due at Companies House on 21 June 2028, and its first CT600 is due at HMRC on 20 September 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 MJG. Marine Limited is registered
The registered office is in South Shields (NE33), in the South Tyneside local authority area, North East. Show NE33 5RE on a map.
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What happens if MJG. Marine 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 21 June 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 22 Jun 2028 to 21 Jul 2028 | £150 |
| 1 to 3 months late | 22 Jul 2028 to 21 Sep 2028 | £375 |
| 3 to 6 months late | 22 Sep 2028 to 21 Dec 2028 | £750 |
| More than 6 months late | From 22 Dec 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2028 | £200 |
| 3 months late | 30 Dec 2028 | another £200 |
| 6 months late | 30 Mar 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 17470780
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 September 2026
- Registered office
- 3 Brunswick Street, South Shields, NE33 5RE
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
Painting (SIC 43341) - Year end
- 30 September (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 South Shields
Other active civil engineering contractors registered in South Shields.
- MS Civils & Groundworks Ltd2016
- NGF Mechanical Solutions Ltd2026
- NSC Renewables Ltd2026
- Oliver Kerry Ltd2026
- Philip Peterson Limited2016
- Purvis HV Engineering Limited2015
- R&I Groundworks Ltd2026
- Sfi Development Ltd2024
All civil engineering contractors in South Shields · All trades in South Shields · Civil engineering across the UK
Frequently asked questions
When are MJG. Marine Limited's accounts due?
MJG. Marine Limited's next accounts are due at Companies House by 21 June 2028 (in 617 days), covering the period to 30 September 2027.
When is MJG. Marine 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 20 September 2027, due by 20 September 2028, and one for the period to 30 September 2027, due by 30 September 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is MJG. Marine Limited still trading?
MJG. Marine 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 MJG. Marine Limited do?
MJG. Marine Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990); Painting (SIC 43341).
How old is MJG. Marine Limited?
MJG. Marine Limited was incorporated on 21 September 2026, less than a year ago.
What is the penalty if MJG. Marine 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 MJG. Marine 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.