Ottawa Call785-242-3170 Mailing Address234 S Main St Ottawa, KS 66067 HoursMonday-Friday 8am-5pm Harold K. Mayes, Jr. CPAShareholder harold@ag.cpa Jennifer Kettler, CPAAccountant jennifer@ag.cpa Lucille Hinderliter, CPAManager lucille@ag.cpa Nathan RothSenior Accountant nathan@ag.cpa Becky CareyFront Office Manager becky@ag.cpa Terri SchendelFront Office Assistant terri@ag.cpa Proactive Planning. Powerful Results. Our advisory services go beyond tax prep. Get a bird's eye view of your whole financial picture, so can you build a smarter financial future. Let us be your guide! Learn More