- Companies
- Specialist contractors
- South Shields
- Sealane Inshore Limited
Sealane Inshore Limited
- Company number
- 02851191
- Incorporated
- 7 Sep 199333 years trading
- Registered office
- Sealane Inshore Ltd, Wapping Street, South Shields, Tyne And Wear, NE33 1LQ
- Nature of business
- Other specialised construction activities n.e.c.
Sealane Inshore Limited is a 33-year-old private limited company registered in South Shields, company number 02851191, one of 52 specialist construction companies in South Shields. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Public contracts won
Sealane Inshore Limited has 2 public sector contract awards on record, from 2019 to 2026. Source: Contracts Finder and Find a Tender award notices. For all of them the published figure is a shared or multi-year ceiling (a framework place, a multi-supplier award, or more than a small company could hold alone), so no value is shown. 1 of these were matched by the company's exact name because the notice gave no company number.
Awards by year
Main buyers
- Affinity Water Limited1 award
- Sunderland City Council1 award
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| Affinity Water Limited | UVDB Powered by Achilles QUDM for Goods, Works and Services | Ceiling, not shown | 19 Aug 2026 |
| Sunderland City Council | Framework - Invitation to Quote for Supply, Deployment and Retrieval of Maritime Exclusion Buoys and Flight Marker Buoys | Ceiling, not shown | 25 Apr 2019 |
Where Sealane Inshore Limited is registered
The registered office is in South Shields (NE33), in the South Tyneside local authority area, North East. Show NE33 1LQ on a map.
Other trade companies in NE33
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- Turbine Technical Support and Operations LtdElectricians
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What happens if Sealane Inshore 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 31 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 02851191
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 September 1993 (33 years ago)
- Registered office
- Sealane Inshore Ltd, Wapping Street, South Shields, Tyne And Wear, NE33 1LQ
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 7 September 2026
- Charges (mortgages)
- 1 outstanding of 1 registered
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 South Shields
Other active specialist construction companies registered in South Shields.
- Shield Brickwork Limited2003
- Smith Piping Ltd2025
- Spruce Coatings Ltd2026
- ST Home Improvements Ltd2025
- Sutton 98 Limited2025
- W R Warburton Ltd.2004
- A&G Wallis Limited2019
- Aablfm Limited2026
All specialist construction companies in South Shields · All trades in South Shields · Specialist contractors across the UK
Frequently asked questions
When are Sealane Inshore Limited's accounts due?
Sealane Inshore Limited's next accounts are due at Companies House by 31 January 2027 (in 110 days), covering the period to 30 April 2026.
When is Sealane Inshore Limited's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is Sealane Inshore Limited still trading?
Sealane Inshore 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 Sealane Inshore Limited do?
Sealane Inshore Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Sealane Inshore Limited?
Sealane Inshore Limited was incorporated on 7 September 1993, 33 years ago.
Has Sealane Inshore Limited won public sector contracts?
Yes. Sealane Inshore Limited has 2 contract awards from public bodies on Contracts Finder and Find a Tender, most recently from AFFINITY WATER LIMITED.
What is the penalty if Sealane Inshore 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 Sealane Inshore 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.