Career
Earlier, he had played English domestic cricket during the 1990s with Kent. He was a left hand bat and off spin bowler. He also played club cricket at Greenpoint Central Committee in Cape Town during the early 1990s.
Llong officiated in his maiden first class match in June 2000.
Llong was appointed to the ECB"s panel of first class umpires in 2002. The highlights of Llong"s career so far include his appointment to the final of the 2004 Twenty20 Cup, his first ODI, which took place at Lord"s and was between England and Sri Lanka in June 2006, and his first overseas appointment which was the ODI between Pakistan and West Indies at Lahore in December 2006.
Llong umpired his first Test match in January 2008, between New Zealand and Bangladesh at Dunedin. He was appointed to stand in the 2007 Twenty20 World Championship in South Africa in September 2007.
He was selected as one of the twenty umpires to stand in matches during the 2015.
As of 22 March 2016:.