Mr Sean Mcmahon is recorded by Companies House as a person with significant control on 34 UK companies (30 active, 4 ceased), catalogued at https://openregistry.sophymarine.com/uk-companies/psc/sean-mcmahon (OpenRegistry canonical ID GB-PSC-sean-mcmahon). Sophymarine's OpenRegistry resolves the name slug "sean-mcmahon" 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.
Mr Sean Mcmahon is currently recorded as a person with significant control on the following 30 companies:
4 historical PSC appointments have ceased:
Each row above is a Companies House registration where Mr Sean Mcmahon appears on the
PSC register. OpenRegistry groups appointments by a slugged form of the PSC's
name (sean-mcmahon): 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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