IRON MOUNTAIN (UK) PLC is a UK-registered corporate shareholder (Companies House number 01478540) and holds shares in 3 active UK companies, recorded across 3 share-class positions on their Companies House confirmation statements (CS01). Beneath those direct holdings OpenRegistry resolves a further 0 companies spanning 1 ownership layers; the persons-with-significant-control register independently agrees on 2 of these holdings. Sophymarine OpenRegistry ID openregistry-gb-01478540. It ranks #12,845 of 54,210 corporate shareholders by number of active UK holdings. Programmatic access via MCP at https://openregistry.sophymarine.com/mcp.
Corporate shareholders that hold shares in the same UK companies as IRON MOUNTAIN (UK) PLC:
Other corporate shareholders of comparable size registered in UNITED KINGDOM:
Need the registered office, SIC code, accounts and filing history for IRON MOUNTAIN (UK) PLC? Open its Companies House profile at https://openregistry.sophymarine.com/insights/gb/01478540-iron-mountain-uk-plc.