£3.17m
−18%vs Aug 2024Active04880022Private limited companyGrimsby
MARINER INDUSTRIES LTD
Significant control: Sialiona Ltd (75–100%)
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
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What does Mariner Industries Ltd sell?
Registered activity: Agents specialised in the sale of other particular products (SIC 46180). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
MARINER INDUSTRIES LTD is an active private limited company (company number 04880022) incorporated on 28 August 2003, registered in Grimsby. Its registered activity is agents specialised in the sale of other particular products (SIC 46180). Latest small accounts cover the period ending 31 August 2025, showing net assets of £3.17m and cash of £374k, with 31 employees on average. Net assets fell 18% on the prior period (£3.86m).
Peer position · net assets
By net assets it sits in the top quarter of 144 comparable companies in Sheffield (median £7,926, upper quartile £104k).
02
Ownership and control
- Sialiona Ltd
- owns 75–100% of shares
- Mr Simon James Atkinson
- owns 75–100% of shares
- holds 75–100% of voting rights
- can appoint or remove directors
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents. Directors and secretaries: see the officers list at Companies House.
03
Key dates
- Incorporated
- 28 August 200323 yrs ago
- Next accounts due
- 31 May 2027in 218 days
- Confirmation statement due
- 11 September 2027in 321 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 46180
- Agents specialised in the sale of other particular products
- Accounts type
- Total Exemption Full
- Size band
- SmallCompanies Act thresholds
05
Financials
£374k
−23%vs Aug 2024Not reported
31
−3%vs Aug 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 August 2025 | £3.17m | £374k | £662k | — | — | — | 31 |
| 31 August 2024 | £3.86m | £489k | £1.09m | — | — | — | 32 |
Cash per employee£12kCash ÷ average employees
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
06
Filing and accounts signals
- Net assets above zeroNet assets £3,168,752 at 31 August 2025
- Cash at bank of £50,000 or moreCash £374,146
- Incorporated five or more years agoIncorporated 28 August 2003
Neutral facts read from the register and filed accounts, each with its evidence. They are not a rating, a prediction or advice, and may be incomplete or out of date. How each signal is derived.
07
Timeline
- Confirmation statement duein 321 days
- Next accounts duein 218 days
- Accounts period endNet assets £3.17m · small accounts
- Accounts period endNet assets £3.86m · small accounts
- Incorporated
08
Similar companies in Sheffield
- BOND CHEMICALS LIMITEDRotherham · inc. Oct 2003
- IMPORT AIR LIMITEDHope Valley · inc. Jun 2003
- TCCI LIMITEDSheffield · inc. Jun 2003
- SUPREME PROTECTIVE COATINGS LIMITEDDronfield · inc. Apr 2003
- A & S MARKETING SOLUTIONS LIMITEDWorksop · inc. Jan 2004
- FALCON MEWS LIMITEDDoncaster · inc. Feb 2004
All companies incorporated on 28 August 2003 · in Aug 2003.
09
Reminders for MARINER INDUSTRIES LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.