Dosoris Trust is a family office - multi based in Cheyenne, United States. Verified contact details, AUM data, and investment preferences on FindLPs.
Dosoris Trust Company is a subsidiary of CP & Co. For over a century, CP & Co. has served as a central administrative office providing professional financial services for the descendants of Charles Pratt and selected other private clients. Founded in 1891 to manage the estate of Charles Pratt, a partner in Standard Oil, CP & Co. has since developed a wide range of custodial, investment, tax and accounting services. In 1997, CP & Co. established Dosoris Trust Company as a wholly owned subsidiary to further provide trust and estate planning services for its clients.
Investment types: Philanthropy, Equity Financing, Private Equity, Joint Venture/Partner
Sectors & themes: Business & Administrative Services, Investment Management, Legal & Tax Services, Trust Management, Wealth & Estate Planning, Charitable Investments Commercial & Professional Services, Professional Business Services, Finance, Financial Services, High-Level Sectors, Non-Profit
Preferred geographies: United States
Location: 212 East 22Nd Street\nCheyenne\nWyoming\n820013799\nUnited States
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LP firm data compiled from public regulatory filings (SEC Form ADV, FCA, AIFMD disclosures), company websites and press releases, LinkedIn public profiles, and verified outbound email testing. AUM figures reflect self-reported values from filings and may lag by 1–2 fiscal quarters; bands are normalized in USD. We do not publish personal residential information; firms or individuals may request removal at /contact. Methodology & sources · Updated July 2026.