​Se7en has worked exclusively under the YG Entertainment label. Much of his career is composed of constant promotions for his songs through live performances on TV, radio shows, and occasionally, concerts. He also began learning Japanese in preparation for his promotional activities for his Japan debut in 2005.

Se7en has traveled throughout Asia, particularly Japan, Taiwan, Thailand, and China. He has also performed a few times in the United States, specifically Los Angeles (Grand Olympic and Hollywood Bowl), New York City (Madison Square Garden), and Washington DC (DAR Constitution Hall).

In addition to performing, he has been featured on game shows in South Korea and Japan, and commercials for Samsung's Anycall, Baskin Robbins, Coca Cola, LG Telecom[1], Sprite (directed by David Fincher)[2] and most recently, K-SWISS[3] and KTF. He has held a total of five concerts in Japan: one held in 2005 at Yokohama, and for the year 2006, two held in Tokyo and two in Osaka[4]. He held a total of three concerts for his "24/SE7EN" album promotion June 2006 in Seoul, South Korea. His popularity has earned him an award for the Most Popular Korean Singer in the MTV Asia Awards 2006 at Bangkok, Thailand [5], and the MTV Best Buzz Asia Award 2006 [6].

On April 7, 2007, his 747 concert was held at Seoul's Olympic Park Stadium, which marks Se7en's last activity in Korea for this year. He is currently working on his oversea activities in Japan and the United States. He has held another Japanese tour called '7rhythm' in Tokyo, Osaka and Nagoya in early July. According to his Japanese label, Nexstar Records, all of the 20,000 tickets for the concerts were sold out in a short amount of time[7]. Se7en is currently preparing for his U.S. debut, which is scheduled soon this year in 2008.