About Our Firm


Tiensvold Shaffer Wenzel CPAS PLLC has deep roots in the Prescott community. Gray & Williams Certified Public Accountants formed in October 1, 1945. In the late 1960s the firm became Baker, Price & Norton CPAs and later in the 1980s was operated as Robert O Baker CPA firm. This firm later transitioned to American Express Tax and Business Services, Inc and in 2005 became what it is today-Tiensvold Shaffer Wenzel CPAS PLLC. We embrace the traditions of hard work, integrity, and personal attention. We are an ideal place for individual and business clients who appreciate quality service.

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Tiensvold Shaffer Wenzel CPAS PLLC

141 South McCormick Street #104
Prescott, AZ 86303


  [email protected]

 Monday - Friday: 8 am - 5 pm
May through December: Closed 12 pm - 1 pm
Summer Hours:
Monday - Thursday: 8 am - 5 pm
Friday 8 am - 12 Noon