Good people.
In your corner.

William Guffy

Founder & President

William founded ARC in 2023 to make accounting and business advice more approachable. He helps clients connect their financial information to the decisions that matter to them.

His background spans public accounting, corporate tax at a Fortune 500 company, and accounting management in global commercial real estate.

A fourth-generation Sheridan native, William holds an accounting degree from Henderson State University and a Master of Accountancy from Emporia State University.

Keely McGuire

Senior Accountant

Keely supports clients with the accounting details that keep a business moving. She brings a careful, organized approach to financial records and client service.

Before joining ARC, she worked in accounts payable and receivable for a multinational manufacturer.

Keely is a Sheridan native and earned her accounting degree from Henderson State University.

Sarah Ottens

Office Manager

Sarah helps clients feel welcome and keeps the office connected. Her work includes client coordination and support with bookkeeping, payroll, sales tax, and payment-related tasks.

She brings that same service-minded approach to community projects in Sheridan, including the Farmers Market and local nonprofit initiatives.

Shannon Force

Bookkeeper

Shannon brings the perspective of a business owner to her bookkeeping work. Her extensive experience owning and operating restaurants gives her a practical understanding of the day-to-day demands business owners face.

Originally from Texas, Shannon now lives in Sheridan and is completing her associate's degree at ASU Three Rivers.