William So — William So Wing-hongWilliam SoWilliam So Wing-hong

On December 9, 2001, Anita Mui staged “MUI MUSIC SHOW”, a one-night-only concert at the Hong Kong Convention and Exhibition Centre, to celebrate her twentieth anniversary in show business; William So appeared as a guest and sang “緣份” with her. “意猶未盡”, his duet with Rain Li, won the gold award for most popular duet at the Jade Solid Gold Best Ten Music Awards for 2001.

On June 8, 2002, William So was arrested at a nightclub in Taipei and tested positive for ecstasy in a urine test. On July 28 that year, his solo concert “康定情歌演唱會” opened at the Hong Kong Coliseum. On August 2, he entered the Taipei Detention Center for observation and rehabilitation, and on August 12 he was released after an assessment found no tendency toward continued drug use.

In 2008, William So released the Mandarin album “擁抱”. In July 2011, he released the single “那誰”, followed later that year by the album “和那誰的”, and in November he held “蘇永康給那誰的演唱會” at the Hong Kong Coliseum, with guests including Joey Yung, Denise Ho, Kit Chan, Kenny Bee and Jonathan Lee. “那誰”, with lyrics by Wyman Wong, won a Top Ten Chinese Gold Songs award and the 全球華人至尊金曲獎 (top song among Chinese communities worldwide) at the “第34屆十大中文金曲” awards concert, held on January 7, 2012, where William So received the Outstanding Pop Singer award (優秀流行歌手大獎). On February 25 that year, at the “2011年雪碧音樂榜” awards ceremony at Tianhe Gymnasium, Guangzhou, he won the best Hong Kong male singer award (香港地區最佳男歌手獎), and “那誰” won the 港台金曲獎 (Hong Kong and Taiwan hit song) and 全國至尊金曲獎 (nationwide top song) awards. He released the album “28” in 2014 and, in 2017, the covers album “Love From The Last Century”, produced by Mark Lui and 劉賢德.

In 2009, William So formed the group Big Four with Andy Hui, Dicky Cheung and Edmond Leung; the group staged concerts at the Hong Kong Coliseum in 2010, 2013 and 2025. After the 2025 Coliseum concerts, the tour went on to Singapore, Los Angeles, Las Vegas and San Francisco, and played its final stop at the Arena of Stars in Genting Highlands, Malaysia, on May 23, 2026.

On June 21 and 22, 2019, William So held two solo concerts, “ALL THAT JAZZ （&POP）LIVE 2019”, at the Hong Kong Coliseum, working with nearly a hundred musicians on Chinese and Western instruments; it was the fifth time he had held solo concerts at the Coliseum. On October 15, 2022, “2022蘇式情歌台北演唱會” was held in Taipei, ten years after his previous concert in Taiwan. On November 25, 2023, “2023蘇氏情歌演唱會” was held at the Taipei International Convention Center (TICC).

In 2025, William So was a mentor on the TVB singing competition show “聲秀”. In September that year, internet users complained to local authorities about his 2002 drug case; the Wenzhou stop of the “So Live” 2025 tour, originally scheduled for October 6 at the Wenzhou Olympic Sports Center Gymnasium, was later canceled. William So later issued a statement of apology. On October 18, he performed at the Taipei International Convention Center, the sixth time he had held a concert in Taipei. On April 25 and 26, 2026, he held two concerts at the Kaohsiung Music Center, the first time he had held solo concerts in Kaohsiung.