American Business Bank engages in the provision of financial services. Its services include deposit services, treasury management, credit services, consulting and referral services, personalized banking, and international banking. The company was founded by Robert F. Schack, Robin C. Paterson, Trent D. Merrill, John Schlobohm, Leon L. Blankstein, Donald P. Johnson, and David van Skilling in 1998 and is headquartered in Los Angeles, CA.