In the early 1980s, he officiated fights for notable Nova Scotian fighters including Ricky Anderson, Cedric Parsons, Chris Clarke, Ralph Hollet, and others.

In 1996, Hubert Earle was the chairman of the Canadian Professional Boxing Federation's official committee and hosted clinics for referees.

[5] In the early 2000s, he had judged the likes of notable fighters such as Shane Mosley, Winky Wright, and Oscar De La Hoya.

[6] On November 20, 2004, he judged the Winky Wright and Shane Mosley II bout for the WBA/WBC Super Welterweight Championship at Mandalay Bay in Las Vegas, Nevada.

He has officiated in local boxing rings and venues all over the world, including the United States, Germany, South Africa, Japan, Thailand, Mexico, the United Kingdom, Indonesia, Australia, France, Finland, Venezuela, Italy, Nicaragua, Panama, South Korea, and Ireland.