A multiple medalist at both world and European championships level for Great Britain, Williams is also the 2022 Commonwealth Games champion in both his synchronised events (Men's and Mixed) representing England.

[1] In 2017, Williams partnered with Matthew Dixon in the men's synchronized 10 metre platform in the FINA Grand Prix event in held in Gatineau, Canada, and won a gold medal.

[5] He also competed in the 10 metre platform at the European Juniors in Bergen, Norway, and won a silver medal behind his diving partner Matthew Dixon.

[6] At the 2017 European Diving Championships, Williams and Dixon won their first senior international title, gaining a bronze in the 10 metre platform synchro.

[7] At the 2018 Commonwealth Games held in the Gold Coast, Australia, Williams again partnered with Matthew Dixon in the men's synchronised 10 metre platform.

[12][13] In March 2020, Williams won his first individual international title at the first event of the 2020 FINA Diving World Series which was held in Montreal, Canada, winning gold in the Men's 10m Platform.

[19] At the 2022 World Aquatics Championships held in Budapest, Williams partnered with Matty Lee for the first time in an international competition and they won silver in the synchro 10 m platform event.