£422k
+93616%vs Aug 2024Active12489646Private limited companyGrimsby
MARINER PACKAGING CO LIMITED
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From public filings as at 31 Aug 2026; may contain errors or be out of date.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
Watch this company
Get an email when Companies House records a change for Mariner Packaging Co Limited: status, filings, accounts, officers or owners. Free.
Not live yet: alerts start by 15 December 2026. We store your email and this company number only, for these alerts. If alerts don’t launch, we tell you and delete your address. Privacy
Coming soon · product and service lists
What does Mariner Packaging Co Limited 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.
One email, only about this. If we don’t launch within 60 days we’ll tell you. Privacy
01
Summary
MARINER PACKAGING CO LIMITED is an active private limited company (company number 12489646) incorporated on 28 February 2020, registered in Grimsby. Its registered activity is agents specialised in the sale of other particular products (SIC 46180). Latest micro accounts cover the period ending 31 August 2025, showing net assets of £422k, with 9 employees on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets rose 93616% on the prior period (£450).
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 February 20206 yrs ago
- Next accounts due
- 31 May 2027in 216 days
- Confirmation statement due
- 14 March 2027in 138 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
- Micro Entity
- Size band
- MicroCompanies Act thresholds
05
Financials
Not reported
Not disclosed
9
−10%vs Aug 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 August 2025 | £422k | — | — | — | — | — | 9 |
| 31 August 2024 | £450 | — | — | — | — | — | 10 |
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing; micro-entity accounts contain no profit and loss account.
06
Filing and accounts signals
- Net assets above zeroNet assets £421,724 at 31 August 2025
- Net assets up 10% or more on the prior period+93616.4% vs prior period
- Incorporated five or more years agoIncorporated 28 February 2020
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
- Next accounts duein 216 days
- Confirmation statement duein 138 days
- Accounts period endNet assets £422k · micro accounts
- Accounts period endNet assets £450 · micro accounts
- Incorporated
08
Similar companies in Sheffield
- LUCAST LTDSheffield · inc. Feb 2020
- SILVER OWL SUPPLIES LTDDoncaster · inc. Jun 2020
- HAMAP LTDSheffield · inc. Oct 2019
- DAISY WATT ART LIMITEDRotherham · inc. Aug 2020
- BRACKEN ENGINEERING LTDDoncaster · inc. Oct 2020
- PIG MARKETING LIMITEDSheffield · inc. Oct 2020
All companies incorporated on 28 February 2020 · in Feb 2020.
09
Reminders for MARINER PACKAGING CO LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.