Michael John O'Sullivan is recorded by Companies House as a person with significant control on 14 UK companies (11 active, 3 ceased), catalogued at https://openregistry.sophymarine.com/uk-companies/psc/michael-john-o-sullivan (OpenRegistry canonical ID GB-PSC-michael-john-o-sullivan). Sophymarine's OpenRegistry resolves the name slug "michael-john-o-sullivan" against the Companies House PSC bulk feed and cross-links each active appointment to the controlling company's profile, officers, shareholders and filings. Programmatic access via MCP at https://openregistry.sophymarine.com/mcp.
Michael John O'Sullivan is currently recorded as a person with significant control on the following 11 companies:
3 historical PSC appointments have ceased:
Each row above is a Companies House registration where Michael John O'Sullivan appears on the
PSC register. OpenRegistry groups appointments by a slugged form of the PSC's
name (michael-john-o-sullivan): unrelated people who share a name will
collide under the same slug. Use date of birth (month + year only,
published by Companies House on each company's PSC list), nationality,
country of residence and the underlying company profiles to disambiguate
individuals. Corporate PSCs (registrable legal entities, "RLEs") carry a
registration number on each company profile.
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