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About Us

About Our Firm

For years, Pleus & Company, LLC has been providing quality, regional and local financial guidance to businesses and local individuals. Our expertise ranges from basic tax consulting and compliance services to more in-depth services such as Federal, State and other income and tax related audits.

Pleus & Company, LLC 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 customer service, high standards, and work ethic is the reason our client base returns year after year.

Our Mission

Our mission is to provide the highest quality tax and consulting services to our clients. This requires open communication to reach an understanding of our clients' needs through research and sound analysis. Pleus & Company, LLC is dedicated to meeting these goals with high standards of excellence and professionalism.  Whether you are a current or prospective client, rest assured that businesses and individuals who choose Pleus & Company, LLC receive competent and timely advice.

Our Team

Douglas Pleus

Douglas ("Doug") Pleus has worked both in public accounting and in private industry. After graduating from the University of Missouri Columbia, he joined a "Big Eight" accounting firm in Kansas City, MO. There, he gained tax and consulting experience working with a very diverse client base. Doug then joined an international commercial refrigeration company based in St. Louis where he gained experience in income and sales/use taxes, management, marketing, and financial reporting. He returned to public accounting, taking a position with a Top 10 national accounting firm, working alongside other former Big Eight accounting firm directors and managers.  As the Tax Practice Leader and Vice President, he also worked with a variety of small and medium-sized businesses, including healthcare, manufacturing and distribution, real estate, technology, and service businesses.  Additionally his clients included high wealth and complex individual clients.  


Doug is a Certified Public Accountant, licensed in the State of Missouri. He is a member of both the AICPA and MSCPA.

Diana Vaughan

 Diana is a certified public accountant with over twenty years of public and private accounting experience.  Diana spent several years in public accounting, including several years with a large regional accounting firm.  After working for a national communications company, Diana spent several years working with Doug at a Top 10 national accounting firm.