Hong Kong SinfoniettaHong Kong Sinfonietta

"A Soldier's Story" premiered in 2005, was revived in 2007, and won a Hong Kong Dance Award in 2008. On October 22, 2010, Hong Kong Sinfonietta and other performers presented "A Soldier's Story" in the finale of Hong Kong Week at Expo 2010 Shanghai; that performance had an attendance rate of 98%.

Hong Kong Sinfonietta performed at Sala São Paulo in São Paulo, Brazil, on August 14, 2010, conducted by Music Director 葉詠詩, with pianist Colleen Lee as Artist Associate for that season. The orchestra performed at Auditorio Nacional Adela Reta del Sodre in Montevideo, Uruguay, on August 18, 2010. The orchestra performed at Teatro Coliseo in Buenos Aires, Argentina, on August 19, 2010, also conducted by 葉詠詩. On October 5, 2019, the orchestra took part in Asia Orchestra Week 2019 at Tokyo Opera City Concert Hall in Japan and shared the programme with Orchestra Ensemble Kanazawa. On March 29, 2024, the Tongyeong Festival Orchestra, formed by musicians from Hong Kong Sinfonietta and other orchestras, took part in the Tongyeong International Music Festival 2024 at Tongyeong Concert Hall in South Korea.

Official orchestra materials state that the three-volume "就是古典音樂" series, issued by DECCA, went platinum and gold, and that there is also the double CD "一屋寶貝音樂廳". The three volumes of that series ("This Is Classical Music", "This is Classical Music 2", "This Is Classical Music 3") and "一屋寶貝音樂廳" are all albums involving Hong Kong Sinfonietta. "月謎／ENIGMAS OF THE MOON" is a classical CD issued by 喜瑪拉雅, with a release date of May 3, 2002.

In 2020, the orchestra launched the concert-film series "Back On Stage"; official materials state that Hong Kong Sinfonietta thereby became the first local orchestra to enter cinemas.

In 2006 Hong Kong Sinfonietta founded the "駐團藝術家" scheme, exploring projects beyond the boundaries of classical music through intensive season-long collaboration with individual artists or groups from different art forms. 伍卓賢 was the scheme's first Artist Associate, serving from 2006 to 2008. Since 2006 the orchestra has collaborated with McDull, producing music projects in the form of original animated concerts. Hong Kong Sinfonietta has again been invited to serve as Artist-in-Residence of the Department of Music at The Chinese University of Hong Kong.

On September 6, 2025, Hong Kong Sinfonietta performed "麥兜動畫音樂會 ：豬來了 ！" at Shenzhen Concert Hall, conducted by Music Director Laureate 葉詠詩. On July 31, 2026, the orchestra performed at Ammaia Archaeological Site in Marvão, Portugal, conducted by Music Director Christoph Poppen. The programme included orchestra-commissioned works, the European premiere of Alice Yeung's "Time (in-)Linear", and works by composers including Mozart, Haydn, and Beethoven. On August 2, 2026, the orchestra presented the closing concert of the Marvão International Music Festival at Marvão Castle in Portugal, conducted by Poppen.