Jack Sealy

HKFC

Sealy played for HKFC from 1999 (promoted to the first team in 2005), with his father Tony Sealy as his coach. He scored an own goal in the 0–6 loss to Kitchee on 23 September 2010. He missed a scoring chance and then scored an own goal in the 2–4 defeat to Fourway Rangers on 17 December 2010.

Sun Hei

Sealy signed for Sun Hei in June 2011. He made his debut for Sun Hei on 3 September 2011 in the league match against Kitchee.

South China

Sealy moved to South China in July 2012 to further his career. On 29 September 2012, Dhiego Martins scored in stoppage time from an inch-perfect cross from Sealy, helping the club beat rivals Kitchee 1–0. Sealy scored his first league goal for South China against Yokohama FC Hong Kong on 15 February 2014.

Changchun Yatai

On 27 December 2015, South China announced that Sealy had signed with Chinese Super League club Changchun Yatai on a five-year contract. He left for his new club in January 2016.

Tai Po

On 19 January 2018, Tai Po announced that Sealy had signed with the club, returning to Hong Kong after two years abroad.

Pegasus

On 22 July 2018, it was reported that Sealy had left Tai Po for fellow Hong Kong Premier League club Pegasus.

Southern

On 2 July 2019, Sealy moved back to the island, signing a contract with Southern. On 17 July 2022, Sealy left the club.

HKFC

On 7 August 2022, it was reported that Sealy would return to HKFC after 11 years.

On 6 December 2011, Sealy trained with the Hong Kong national football team for the first time, to prepare for the 2012 Guangdong-Hong Kong Cup. He claims that he and his father both have special feelings for Hong Kong football and his father is very supportive of him joining the Hong Kong national team. He is willing to apply for a HKSAR passport to play for Hong Kong. He made his debut with Hong Kong on 28 December 2011 against Guangdong. In the match, he made a long pass from which Cheng Siu Wai scored the equalising goal. The match ended 2–2. Sealy obtained Hong Kong passport in March 2013 and he became eligible to represent Hong Kong in international "A" matches. He made his debut for Hong Kong on 6 September 2013 against Myanmar, however, the match was not recognised as an international 'A' match by FIFA, as Myanmar made more than 6 substitutions. His first international 'A' match for Hong Kong should be on 10 September 2013 against Singapore.

Club

As of 12 May 2013

International

As of 5 September 2017

Club

HKFC Hong Kong Second Division: 2005–06, 2009–10 Sun Hei Hong Kong Senior Shield: 2011–12

International

Hong Kong Guangdong-Hong Kong Cup: 2012, 2013