# MARINER PACKAGING CO LIMITED (12489646)

> 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).

- Status: Active
- Incorporated: 2020-02-28
- Registered office: Grimsby, DN37 9TZ
- SIC 46180: Agents specialised in the sale of other particular products
- Next accounts due: 2027-05-31
- Confirmation statement due: 2027-03-14
- Accounts type: MICRO ENTITY

By net assets it sits in the top quarter of 144 comparable companies in Sheffield (median £7,926, upper quartile £104k).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2025-08-31 | £422k | — | — | — | — | — | 9 |
| 2024-08-31 | £450 | — | — | — | — | — | 10 |

size band micro.

## Filing and accounts signals (facts, not a rating)

- Net assets above zero: Net 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 ago: Incorporated 28 February 2020

How each signal is derived: https://firmoscan.com/methodology

## Persons with significant control

- Sialiona Ltd (corporate-entity) — owns 75–100% of shares, since 2024-10-29

---
Source: Companies House register snapshot 2026-08-31, Open Government Licence v3.0. Information may have changed since that date and is not advice or a credit reference; check the official record before relying on it. Official record: https://find-and-update.company-information.service.gov.uk/company/12489646
HTML: https://firmoscan.com/company/12489646-mariner-packaging-co-limited