LCT began his first experiments with glassmaking in 1873.  In 1876 he exhibited paintings at Centennial World's Fair and in 1900 a major exhibit at the Exposition Internationale; company changes name to Tiffany Studios.

In 1902 he was appointed design director of Tiffany & Company after the death of his father, Charles Tiffany; Tiffany Studios showroom moved to in and Tiffany Furnaces was established. 

In 1880 the firm received its first major commission, the Veterans Room of the Seventh Regiment Armory, .  In 1882 Associated Artists commissioned Tiffany to do work for Mark Twain, Cornelius Vanderbilt II and Ogden Goelet, and LCT was also hired by President Chester Arthur to decorate several rooms in the White House  

In 1894 Favrile became a registered trademark.  In 1885 the Tiffany Glass Company was created. 1895-96 exhibited Favrile glass and leaded glass windows in Siegfied Bing's L'Art Nouveau gallery, Paris .

In 1919 Louis Tiffany retired and the company divided into Tiffany Furnaces, headed by A. Douglas Nash, to produce glassware and Tiffany Ecclesiastical department to make mosaics, leaded glass windows and lamps.  In 1924-Tiffany Furnaces closed.  Louis C. Tiffany died on January 17, 1933.

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