In 1805 Pennsylvania Governor Thomas McKean, appointed him to the office of auctioneer in Philadelphia, and Freeman formally established his business.

[8] On September 10, 2011, Freeman's held an auction that brought $3.5 million for an Imperial white jade seal from the Qianlong period, triple the highest sale in the company's history.

[9] Other notable auction records set at Freeman's include a sculpture by Wharton Esherick as part of their annual Pennsylvania Sale in November 2014.

Freeman's set a company jewelry record in November 2017 when a rare, Belle Époque fancy vivid yellow diamond pendant by J.E.

This rediscovered masterpiece was Freeman's highest selling lot to date, surpassing the house's 2011 record of $3.1m achieved by the jade seal.

The March 2014 sale of The George D. Horst Collection of Fine Art resulted in 20 auction records for artists including Howard Russell Butler, Emil Carlsen, and Fred Wagner.

In May 2017, Freeman's sold paintings and prints from The Stanley Bard Collection, the late manager of the famed Chelsea Hotel.