Having came through Loretto School in Edinburgh, Perriam went to Loughborough University and played for Loughborough Students.[2]
He was an academy player for Edinburgh.[2]
He played for Scotland U17.[2]
He first became a rugby and cricket coach at Knox Grammar School in Sydney, Australia from 2011-12.[3]
Perriam moved into Strength and Conditioning Coaching at Leicester Tigers where he became a Strength and Conditioning Coach intern in 2013 to 2015.[3]
He then moved to become a Strength and Conditioning Coach at Northampton Saints in 2015-16, working with their Elite Player Development Group.[3]
In 2013 he became a Community Rugby Referee in England, and whilst working for Leicester Tigers and Northampton Saints did this until 2016.[3]
He joined the Scottish Rugby Union's High Performance Panel in 2017.
He has refereed in the Scottish Premiership[4] and Super 6.[5][6]
He has been Assistant Referee in United Rugby Championship matches.[7][8][9]
He has refereed various international Sevens competitions:- Amsterdam Sevens, Dubai Sevens invitational, Hong Kong Sevens AR, Super Series Sevens in the UK, the Algarve Sevens; and also the final of the Hong Kong Tens.[2][10]
He refereed the inaugural Celtic Challenge match, the Women's Thistles versus Wales Development match in 2023.[11]
Perriam is a member of the Edinburgh Rugby Referees Society.[5][12]
Perriam was an Assistant Referee for the Scotland versus Wales women's international match in November 2019.[13]
He was an Assistant Referee for the Rugby Europe Spain versus Romania match in February 2022.[14]