The firm was started in 1965 by Mr. Kenneth Slaten. Kenneth was an audit manager for the Oklahoma State Auditor & Inspectors office for 10 years. He then opened his own practice in Shawnee to provide annual audit reports to school districts. Because of his knowledge and experience in governmental accounting, the practice quickly developed into a large auditing firm within a few years, expanding into the audit areas of cities and towns, rural water districts and other municipalities. Stephen Sanders joined the firm in 1976, and became a partner in 1980. The firm then became Slaten and Sanders, CPAs, Inc.

In 1982, Mr. Slaten passed away, and in 1987, the firm changed its name to Stephen H. Sanders, C.P.A., Inc. The firm continued to grow in staff and client base due to Steve’s reputation as the most knowledgeable governmental auditor in the state of Oklahoma. In 2001, Eric Bledsoe became a partner, followed by Jeff Hewett in 2002. Today, the firm remains one of the most reputable government audit firms in the state, making the firm name Sanders, Bledsoe & Hewett, CPAs, LLP.