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About Us

About Our Firm

For years, Thompson & Lengacher Co., P.C. has been providing quality, personalized financial guidance to local individuals and businesses. Our expertise ranges from basic tax management and accounting services to more in-depth services such as audits, financial statements, and financial planning.

Thompson & Lengacher Co., P.C. is one of the leading firms in and throughout the area. By combining our expertise, experience and the team mentality of our staff, we assure that every client receives the close analysis and attention they deserve. Our dedication to high standards, hiring of seasoned tax professionals, and work ethic is the reason our client base returns year after year.

Our Mission

Our mission is to help clients maintain financial viability in the present, while taking a proactive approach to achieve future goals. This requires open communication to reach an understanding of our clients' needs through research and sound analysis. We are dedicated to meeting these goals with high standards of excellence and professionalism. We have been a staple of the area's business community for years, and pride ourselves on the level of esteem we have earned.

Our dedication to hard work has earned the respect of the business and financial community in and around the area. We believe this to be a direct derivative of our talent and responsiveness to our client base. Whether you are a current or prospective client, rest assured that individuals and businesses who choose Thompson & Lengacher Co., P.C. receive competent and timely advice.

Our Team

Michael Lengacher, Principal 618-288-9877 Bachelor of Science, Accountancy - Millikin University, Decatur, Illinois 1980
Member of the American Institute of Certified Public Accountants and Illinois Certified Public Accountants Society

Mike has worked in public accounting in Madison County for over 35 years. He has extensive experience with all types of income taxes, audits of local governments, audits of contractors and accounting in manufacturing. Mike works with businesses of all types from local mom and pops to closely held corporations with multi-million dollars in sales. He really enjoys consulting engagements about anything to improve business. He has worked with clients regarding job costing, optional pricing of product, inventory management and cash flow projections. Mike has a long history of community services. He was a 6-year board member of the Edwardsville/Glen Carbon Chamber of Commerce, President of the Board of Advisors of Tau Kappa Epsilon Social Fraternity at Millikin University. He has recently been named to the TKE Foundation Business Council. Mike is also a lifetime member of Jay Cees. He is an avid sports fan and loved watching his son , Brent, play baseball through college. Mike's long time softball team has been inducted as a member of the Illinois ASA Hall of Fame.

Elizabeth Heil, CPA 618-288-9877 Bachelor of Science- University of Illinois - 1998; Master of Business Administration – Southern Illinois University Carbondale – 1999
Member of the American Institute of Certified Public Accountants and Illinois Certified Public Accountants Society

Elizabeth first began her career in public accounting in 1999, shortly after earning her Bachelor’s Degree in Accountancy, CPA certification, and then Master’s Degree shortly thereafter. Elizabeth has been active in numerous local organizations for many years. She grew up in Belleville, Illinois and has lived in the Glen Carbon area since 2001. Her business acumen, client service, and teamwork has won her much recognition throughout her career. She was recognized in 2017 by the Ed/Glen Chamber with the Tallerico Leadership Award and in 2015 by St. Louis Small Business Monthly magazine as a “Top Executive”, highlighting her dedication to the local community, her team, and her professional growth.

Jane Todd, CPA 618-288-9877 Bachelor of Arts, Accountancy - Sangamon State University - 1995
Member of the American Institute of Certified Public Accountants and the Illinois Society of CPA's

Jane has over 30 years experience in the accounting profession. She began her career in the agriculture industry as an accountant and in 1995 moved to the public accounting field. She provides clients with a variety of services including income, payroll and sales tax preparation and audit, review, and compilation of financial statements. Her experience in these fields includes working with various types of clients including individuals, partnerships, small corporations, exempt organizations and local governments. Jane is currently a licensed CPA.

Erin E. Engeling 618.288.9877 Bachelor of Science- Southern Illinois University Edwardsville - 2008; Associates of Science – Southwestern Illinois College – 2004
QuickBooks Online; QuickBooks Desktop 2021; Bookkeeping Certificate - The Learning Resources Network of Southern Illinois University Edwardsville

Erin joined T&L in 2020 having 3 years of experience in accounting and bookkeeping in addition to more than 15 years in various management capacities in customer service roles. As a longtime client of T&L and a lifelong resident of Maryville, she was excited for the opportunity to work locally and serve her hometown. Her areas of expertise include payroll, monthly and quarterly taxes, W-2 preparation, 1099 preparation, QuickBooks management and entries, and general bookkeeping functions for small to medium sized businesses. Erin's business clients include restaurants, construction and plumbing companies, and trucking outfits, among others. In addition to working directly with clients, she also manages the T&L office, providing client service, bookkeeping, and other general administrative functions. In her spare time, she loves spending time with family and traveling.