Mr Isaac Charles Mason is recorded by Companies House as a person with significant control on 2 UK companies (0 active, 2 ceased), catalogued at https://openregistry.sophymarine.com/uk-companies/psc/isaac-charles-mason (OpenRegistry canonical ID GB-PSC-isaac-charles-mason). All known appointments under the name slug "isaac-charles-mason" are ceased; the record is retained for historical search and continues to point at each former company's Companies House profile. Programmatic access via MCP at https://openregistry.sophymarine.com/mcp.
2 historical PSC appointments have ceased:
Each row above is a Companies House registration where Mr Isaac Charles Mason appears on the
PSC register. OpenRegistry groups appointments by a slugged form of the PSC's
name (isaac-charles-mason): 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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