Contact Information



Our Brokers

John O'Shaughnessy 
Contact Information
999 Executive Parkway, Suite 210
St. Louis , Missouri 63141
Phone: (314) 222-7442


John F. O’Shaughnessy is a Business Intermediary who works with Murphy Business & Financial Corporation to assist clients in the purchase and sale of their businesses.

Mr. O’Shaughnessy believes that the Murphy system is unique and provides a great service to our customers. Buying/selling a business is a long arduous process, our goal is to make the process as easy as possible for both buyers and sellers alike. We offer Business Valuations & Machinery/Equipment appraisals to our clients as well.

Mr. O’Shaughnessy has years of experience in the financial services sector in Investment Management, Investment Banking and most recently working with a family office as a member of their investment committee. John has years of valuation experience and is skilled at finding value where others don’t.

Mr. O’Shaughnessy is a Murphy trained business transfer specialist, he also holds a FINRA Series 65 (Registered Investment Advisor Representative).

Mr. O’Shaughnessy holds a Bachelors of Business Administration in Concentration in Finance, Minor in accounting from Saint Louis University (2010). Mr. O’Shaughnessy was also inducted to Beta Gamma Sigma Honorary Business School Society.

Please use the form below to contact us