Contact Miller Verchota CPAs Now!


Miller Verchota was founded by Mary Miller and John Verchota in 2000. With prior accounting experience, both Mary and John are dedicated to creating a professional, welcoming accounting firm. A place of business where people can come and express their needs, have high expectations for success, and walk away with an optimistic and satisfied outlook on their taxes and accounting.

Being a smaller business located in McHenry County, we reach out to other small businesses throughout the area. Networking and giving back to the community is an important aspect to our company. Achieving long term relationships and maintaining a respectful, high quality reputation is very important to us.


AICPA The American Institute of Certified Public Accountants Logo

The American Institute of Certified Public Accountants is a nationwide organization that provides professional members and an array of information to assist in the knowledge and standards of GAAP.   There are requirements for membership signup and renewal.   Miller Verchota has been a member of the AICPA for over 35 years.

The Illinois CPA Society LogoThe Illinois CPA Society ICPAS is a statewide, professional membership organization dedicated to enhancing the value of the CPA profession. Founded in 1903, ICPAS is the fifth largest state CPA society in the nation. ICPAS represents Illinois CPAs in public accounting and consulting, corporate accounting and finance, government and not-for-profit organizations as well as three affiliate member groups: students, educators and related finance professionals.

Crystal Lake Chamber of Commerce LogoMiller Verchota currently a member of the Crystal Lake Chamber of Commerce and has been a member for the past 11 years. The Crystal Lake Chamber provides us with the opportunity to network with other local business, marketing, and a place to look for other local vendors.


Congratulations to Mary Miller for achieving her ABV credential! See the article written for her by the Crystal Lake Chamber of Commerce by clicking here.

Congratulations to Jamie Seda for achieving her Enrolled Agent license!

Mary Miller, CPA/ABV, CVA

Mary Miller CPA, CVAMary Miller QuickBooks Pro AdvisorCPA ABV LogoNACPA National Association of Certified Valuation AnalystsMary Miller, CPA, CVA, founded the company in August of 2000. She graduated from Columbia College with a major in accounting/business. She is an active member of The Illinois CPA Society, AICPA, and The National Association of Certified Valuation Analysts.

After owning her own accounting business from 1990 until May 1994, she merged with a local public accounting firm. In August 2000, she and her partner, John Verchota, formed Miller Verchota, Inc., and have continued growing their business as they enter into their seventeenth year this August. Mary is very active in the Community. She is a past president of the Rotary Club of Crystal Lake Dawnbreakers, a Trustee Emeritus after serving two terms as a Board of Trustee of McHenry County College. She also serves on the Board of Options and Advocacy and the Crystal Lake Chamber Board. She is a past treasurer and board member of the McHenry Area Chamber of Commerce and currently serves on the Finance Committee of the Crystal Lake Chamber. Her philosophy has been to give back to the community in which their business thrives and also where they live.

John Verchota, CPA, MST

John Verchota, CPAJohn Verchota, CPA,  QuickBooks Pro AdvisorJohn has a Masters degree in Taxation from DePaul University and has been a CPA since 1977 (the year he graduated from Carroll College in Waukesha, Wisconsin). He has worked in local public accounting his entire career.

He has been a member of The American Institute of Certified Public Accountants and Illinois CPA Society since May of 1978.  He served for eleven years as a board member of Family Services & Community Mental Health Center in McHenry, is a current member and past treasurer of the McHenry Chamber of Commerce, and served as a past president and treasurer of The Rotary Club of McHenry.

Jamie Seda, EA

Jamie SedaJamie Seda QuickBooks Pro AdvisorJamie Seda IRS Enrolled AgentAs an Enrolled Agent, Jamie Seda is a federally authorized tax practitioner who has technical expertise in the field of taxation; she is empowered by the U.S. Department of the Treasury to represent taxpayers before all levels of the Internal Revenue Service for audits, collections, and appeals. Her knowledge with tax laws give her the ability to represent those being audited by the IRS.

Jamie has an Associate in Applied Science of Accounting degree from McHenry County College. She is currently enrolled at Columbia College of Missouri pursuing an Accounting Degree. She is a Certified Quickbooks’ ProAdvisor.

Emily Fornwall

Jamie Seda QuickBooks Pro AdvisorEmily Fornwall is a registered Certified Public Accountant. She received her bachelor’s degree from Northern Illinois University and she received her master’s degree in business administration from Webster University. Prior to joining Miller Verchota, Inc., Emily worked in the credit union industry for thirteen years. Emily heads up or Audit department and specializes in accounting and auditing of not-for-profit entities. Emily prepares not-for-profit organizations’ annual reports and informational filings. She is a member of The American Institute of Certified Public Accountants and the Illinois CPA Society.

Jennifer DeKett

Jamie Seda QuickBooks Pro AdvisorJennifer DeKett, CPA, graduated from Bradley University with a major in accounting. She is a member of the American Institute of Certified Public Accountants. She has worked in the accounting field for over 20 years. She brings with her, experience in managing payroll audits, accounts receivable, bookkeeping and tax preparation. She has a passion for accounting and enjoys helping clients address their accounting needs.

Mary Olbrich

Jamie Seda QuickBooks Pro AdvisorMary Olbrich was hired as our internal accountant, but provides services to our clients as well. She has an Associate in Applied Science of Accounting degree from McHenry County College and a Bachelor’s Degree in Business Administration with a major in Accounting from Columbia College. Mary splits her time between maintaining our internal accounting and performing bookkeeping, payroll, payroll tax, and individual tax return preparation for our clients.

Gina Doyle

Jamie Seda QuickBooks Pro AdvisorGina Doyle is the newest member to our Accounting team. She comes to us with over 25 years of bookkeeping experience. She has lived and worked in McHenry County her entire life and attended McHenry County College. She has a passion for numbers and enjoys working with small businesses. She enjoys it so much that she continues to work for her husband’s small business during her free time. When she isn’t working, Gina enjoys spending time with her two grown children and her husband.

Office Administrator

Kim O'Connor

Kim O'ConnorKim O’Connor was hired as the administrative assistant. She grew up in Palatine, went to Palatine High School and Harper College. She worked in a dental office at the front desk and assisted the hygienists for many years. After having 2 kids, she worked at Aspen Homebuilders as an account assistant for 5 years. She then went on to run the front desk at Moffett Physical Therapy in Lake in the Hills for 5 years. She is very excited to start a new career with Miller Verchota, Inc!