About The Alonso Group

The Alonso Group is a multi-state sales/use tax consulting firm with more than 45 combined years of experience in state and local tax law. We provide services to companies in all industries throughout the U.S. We have worked with companies from small entrepreneurs to fortune 500 companies. The Alonso Group offers contingency fee based tax reviews and hourly fee services in addition to providing complete sales and use tax return preparation services for companies filing in multiple taxing jurisdictions.

"The Alonso Group believes in the value of providing excellent service and we strive to make every client feel like we are a part of their tax department. We take great pride in our services and we work hard to make sure we have a great reference from every client we serve. In all of our work, we conduct ourselves with the highest standards of honesty, integrity and professionalism."
John C. Alonso, President

The Alonso Group Staff

John C. Alonso, CPA
President

Mr. Alonso has a B.S. Degree in Accounting from Southwest Missouri State University. He is a member of the American Institute of Certified Public Accountants, the Missouri Society of Certified Public Accountants, Associated Industries of Missouri and is regularly consulted by CCH’s Sales & Use Tax Alert publication for his advice and comments on articles they are writing.

Mr. Alonso has worked in state and local taxation for more than 15 years. Prior to entering the consulting profession, Mr. Alonso worked as a Senior Tax Auditor with the Missouri Department of Revenue’s Field Audit Bureau in St. Louis. During his tenure with the state of Missouri, Mr. Alonso was instrumental in developing the Audit Bureau’s, “Industry Audit Guideline Manuals” and authored the first state audit manual for the advertising and commercial art industry. Prior to starting his own consulting practice, Mr. Alonso worked as a Tax Manager with a national consulting firm. In addition to consulting with many companies all over the United States, he began that firm’s sales and use tax outsourcing department and was responsible for overseeing the filing of thousands of sales and use tax returns per year.

Working as a multi-state tax professional, Mr. Alonso has consulted with high profile companies in various industries such as; steel and chemical manufacturers, the printing industry, the railroad industry, playground and park equipment manufacturers, multi-state contractors, financial companies and the retail industry. Mr. Alonso has also represented many companies during state tax audits and is an expert in audit defense strategy development.

Jeanette M. Alonso, CPA
Vice President

Ms. Alonso has a B.S. Degree in Accounting from Southwest Missouri State University. She is a licensed Certified Public Accountant, a member of the American Institute of Certified Public Accountants and the Missouri Society of Certified Public Accountants.

Ms. Alonso has been active in state and local taxation for more than 16 years. For 10 years she worked with the Missouri Department of Revenue’s Field Audit Bureau in St. Louis as a Tax Audit Supervisor. During her years with the state of Missouri, Ms. Alonso became a specialist in auditing manufacturing companies. She was also involved in tax audit policy formation, training new auditors and developing new audit strategies and procedures to accommodate the changing statutes.

Ms. Alonso has consulted companies in various industries and is an expert with steel and industrial manufacturers. Ms. Alonso is also in charge of the firm’s sales/use tax return preparation department and oversees the preparation and filing of thousands of sales and use tax returns each year.

Bradley A. Dennigmann, CPA
Executive Vice President

Mr. Dennigmann earned a B.S. Degree in Accounting from the University of Missouri in St. Louis. He is a member of the American Institute of Certified Public Accountants, the Missouri Society of Certified Public Accountants, Associated Industries of Missouri and the Institute for Professionals in Taxation.

Mr. Dennigmann has worked in state and local taxation for over 15 years. For more than 5 years, Mr. Dennigmann worked for the Missouri Department of Revenue as a Senior Sales/Use Tax Auditor and also as a Corporate/Franchise Tax Auditor. After leaving the Department of Revenue, Mr. Dennigmann worked as a Tax Manager for a national consulting firm and as Director of State and Local Taxation for a large regional CPA firm. Mr. Dennigmann is an expert in both multi-state sales/use tax law and corporate income/franchise tax credits.

Mr. Dennigmann has consulted companies in all facets of industry from multi-billion dollar high profile manufacturing companies to small local retailers. Mr. Dennigmann is an experienced state tax consultant and is an expert in audit defense strategy and over paid tax recovery issues.