Sylvester Siani is recorded by Companies House as a person with significant control on 5 UK companies (5 active, 0 ceased), catalogued at https://openregistry.sophymarine.com/uk-companies/psc/sylvester-siani (OpenRegistry canonical ID GB-PSC-sylvester-siani). Sophymarine's OpenRegistry resolves the name slug "sylvester-siani" 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.
Sylvester Siani is currently recorded as a person with significant control on the following 5 companies:
Each row above is a Companies House registration where Sylvester Siani appears on the
PSC register. OpenRegistry groups appointments by a slugged form of the PSC's
name (sylvester-siani): 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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