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Private limited company registered in Belfast, classed under “Repair and maintenance of ships and boats”.
Headline figures
FY to Dec 2025 · Company only
Turnover
For subscribers
Profit after tax
—
Not filed: small-company exemption
Net assets
For subscribers
Cash
For subscribers
Employees
For subscribers
What the numbers say
2 findings from the figures, in plain English
Written by rules from the figures on this page. Not a forecast or a credit opinion.
History
| £ | 2023* | 2024 | 2025 |
|---|---|---|---|
| Profit after tax | — | ||
| Turnover | |||
| Net assets | |||
| Cash | |||
| Employees |
Every figure for all 3 years
“—” means we did not find the figure in a source; it is never filled with an estimate. * Restated: the next year's accounts printed different figures for this year, and those later figures are shown.
Balance sheet and ratios
From the filed balance sheets · £
| Balance sheet | 2023 | 2024 | 2025 |
|---|---|---|---|
| Fixed assets | |||
| Current assets | |||
| Creditors due within a year | |||
| Net current assets | |||
| Creditors due after a year | |||
| Net assets | |||
| Ratios | |||
| Current ratioCurrent assets for every £1 owed within a year | |||
| Creditors to assetsEverything owed to creditors as a share of fixed plus current assets | |||
6 balance-sheet lines and 2 ratios, every year
A ratio appears only for years where every line it needs was filed. Lines are as tagged in the accounts; nothing is added up or estimated.
Questions people ask
›What does Mariner House do?
Private limited company registered in Belfast, classed under “Repair and maintenance of ships and boats”.
›How much turnover does Mariner House make?
Answered in the full report
›Is Mariner House profitable?
Mariner House's profit isn't public: small companies may file without a profit and loss account.
›How many people work at Mariner House?
Answered in the full report
›Where is Mariner House based?
Its registered office is 4 Sandymount Mews, Dunmurry, Belfast, BT17 9HA, in Belfast.
›When was Mariner House founded?
Mariner House Limited was incorporated on 6 December 2022.
›Is Mariner House still trading?
The register lists Mariner House Limited as active.