About Us

MEET Our Founders


Andrew Rosenthal

Andy is the founder and an active broker at Lighthouse Business Brokers. With over a decade of professional experience as a broker Andy has been party to hundreds of transactions, including the purchase and sale of his own investments. Before becoming a business broker Andy was a successful accountant for a prestigious high frequency futures trading firm. Andy is an entrepreneur at heart and a seasoned expert in all aspects of M&A transactions. Andy's meticulous attention to detail, constant professionalism, unwavering ethics, and commitment to client satisfaction have contributed to a long track record of achieving shared goals. Andy is a licensed business broker and licensed managing real estate broker in the state of Illinois. Andy has a degree in Accounting from the University of Montana. In his free time he enjoys fly fishing, mountain biking, skiing, and spending time with family and yellow lab, Samson.


Maria is partner and senior broker at Lighthouse Business Brokers. A life-long Chicagoan and born into a long line of entrepreneurs and realtors, Maria studied Public Relations and Marketing at Columbia College of Chicago before beginning her career as a Realtor and business broker. With over a decade of real estate and business brokering experience Maria prides herself on her ability to build strong relationships with her clients and to make sure they feel comfortable with what may be their largest personal transaction. Maria, who is also fluent in Spanish, brings an extensive knowledge of marketing and real estate; This coupled with her adept negotiating skills and unshakable enthusiasm, makes her an invaluable resource at Lighthouse Business Brokers.

Chi River

Our Firm

Chicago, IL

Our headquarters is in Chicago, IL and our primary market is Chicago and the surrounding suburbs. That said, we have successfully listed and sold businesses all over the country and our listings get exposure to buyers all over the world. In fact, our marketing is specifically designed to have international reach and we truly enjoy working with buyers all over the world. This is one of our favorite aspects of business brokerage. We have an in-house support team and a professional network that allows us to handle businesses with up to $50,000,000 in annual gross revenues. Our ultimate goal in every transaction is to maximize the sale price and provide the best experience possible for sellers. We understand the challenges in selling a business and we have the tools and expertise to guide you to the finish line and beyond. 

How Much

Is Your Business Worth?

Reach out and let's find out.