Explore the iconic BOK logo – its design, history, and visual identity.
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Key information about BOK: origin, designer, industry, and logo introduction year.
| Website | bokf.com |
| Country | United States |
| Industry | Banking and Finance |
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BOK Financial Corporation is a Tulsa, Oklahoma-based financial services holding company founded in 1910, operating as one of the 50 largest U.S. banks with over $50 billion in assets across eight states.
BOK Financial traces its origins to 1910 with the founding of Exchange National Bank in Tulsa, Oklahoma, during the state’s oil boom era. The company adopted the BOK Financial name (pronounced “B-O-K”) to unify its regional banking brands operating across Oklahoma, Texas, New Mexico, Arkansas, Colorado, Kansas, Missouri, and Arizona. George Kaiser acquired majority ownership in 1991 from the FDIC and transformed BOK into a diversified financial services powerhouse, growing assets from approximately $1 billion to over $50 billion.
The company operates through multiple brand identities including Bank of Oklahoma, Bank of Texas, and Bank of Albuquerque, maintaining strong regional recognition while leveraging centralized operations. BOK Financial also owns specialized subsidiaries including TransFund (ATM and debit card processing), Cavanal Hill Investment Management, BOK Financial Securities, and BOK Financial Insurance. As of June 2021, approximately 14% of BOK’s loan portfolio served petroleum industry borrowers, reflecting the company’s continued connection to energy sector roots. The company remains more than 50% owned by George Kaiser, providing unusual ownership stability among regional banks.
The BOK Financial logo features a distinctive black diamond symbol that serves as the primary brand mark across all banking operations. The angular geometric form creates a memorable icon that translates effectively across digital banking interfaces, ATM screens, branch signage, and marketing materials. The black color palette (#000000) provides timeless elegance and professional gravitas appropriate for a major regional bank serving both retail and commercial clients. The diamond’s clean lines and symmetrical design reflect the precision and reliability customers expect from a financial institution managing billions in deposits, loans, and investment assets.
What does BOK stand for? BOK is an acronym pronounced as individual letters “B-O-K” rather than as a word. The company operates banking subsidiaries under regional brands including Bank of Oklahoma, Bank of Texas, and Bank of Albuquerque.
Who owns BOK Financial? BOK Financial is more than 50% owned by George Kaiser, who acquired the bank from the FDIC in 1991 and transformed it into one of the largest regional banks in the United States.
How large is BOK Financial? BOK Financial Corporation ranks among the 50 largest financial services firms in the United States and is the largest bank headquartered in Oklahoma, with over $50 billion in assets serving customers across eight states.
The BOK logo represents a banking and finance brand from United States. Learn more on the official BOK website.
