It is Atlanta's oldest law firm. As of 2003, the Atlanta branch is located at 191 Peachtree Street. As well as the Atlanta branch, they have offices in Washington, DC (opened 1979), New York (opened 1992), and Houston (opened 1995). On January 2, 2003, the company's international arm opened in the City of London.
On June 16, 2003, Corporate Board Member magazine named the company Atlanta's best corporate law firm for the second consecutive year.
One of King & Spalding's senior partners is the former US Senator Sam Nunn.