Wallis secured the trainers title in his first year of training and won his first major competition (the Grand National).
[3] The kennel continued to gain success and won numerous events culminating in the 2009 English Greyhound Derby crown.
[13] Wallis joined Mildenhall Stadium known as Suffolk Downs in 2023 and went on to win a 14th trainer's title after recording 1591 points.
[14] Wallis duly won a 15th title by the end of 2024, helped by three category one wins during one evening alone on 14 December.
[15] After changing his track attachment status to private, Wallis continued his domination of into 2025, winning both the Cesarewitch and Blue Riband in January, the former with Garfiney Blaze again.