Our Team

William B. Guffy, President

A fourth-generation native of Sheridan, Arkansas, William brings a strong blend of local roots and national experience to every client relationship. He holds a B.B.A. in Accounting from Henderson State University and a Master of Accountancy from Emporia State University.

With nearly a decade of experience across multiple sectors of accounting, William has held key roles such as Senior Accountant at a public accounting firm, Tax Accountant for a Fortune 500 company, and Accounting Manager at one of the world’s largest commercial real estate firms.

William is passionate about making accounting clear, accessible, and impactful for every client. Get in touch to find out how his expertise can help move your business forward.

Young man with dark hair, glasses, wearing a colorful plaid shirt and jeans, standing outdoors on a trail with trees and leaves in the background.

Sarah Ottens, Office Manager

Sarah joined our team in 2024. She brings a unique blend of care and precision to ARC Business Advisors. With a strong foundation in accounts payable and accounts receivable, she skillfully manages bookkeeping, payroll, sales tax, and payroll tax for our team.

Beyond her role at ARC, Sarah is wholeheartedly invested in the community. She directs the local farmers market, volunteers with Kick Start Sheridan, shares her grant writing expertise with area non-profits, and leads the annual fall carnival each year. Whether she’s keeping the numbers straight or rallying volunteers for community events, Sarah brings warmth, dedication, and positivity wherever she goes.

When she’s not organizing reports or community programs, Sarah enjoys spending time with family. She’s approachable, resourceful, and always ready to help.