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Yvonne began her career working for one of the four largest CPA firms of the time. Several years later she started an accounting and tax practice in Portland, OR. She has managed her own firm for more than 25 years and specializes in small business. Her current practice is located in Crystal Lake and has been in existence for almost 12 years. She received a bachelor’s degree from Central Washington University and her MBA from City University of Seattle, WA. Yvonne is a certified QuickBooks Pro Advisor and is passionate about sharing her knowledge and experience through teaching.



Linda Farris began her career with McGladrey & Pullen, LLP, the fifth largest accounting firm in the United States. During the fifteen years she worked at McGladrey, she specialized in serving the small to mid-market clients. Since 2009, she has worked with Onsite Accounting & Tax Services, Inc., and enjoys working with every facet of a client’s business. Her expertise includes preparation of Not-for-Profit, Fiduciary, Individual, and Corporate tax returns, resolving IRS notices, financial statements preparation, payroll, sales tax, and Quick Book consulting. Ms. Farris’ proficiency in all aspects of accounting makes it easy for her to communicate with questioning clients in layman’s terms.

Staff Accountant/Payroll Specialist

Pamela Schuett

Office Manager