Yue Sun (Billy) Leung
Australian Registered Migration Agent
- Yue Sun (Billy) Leung MARN 2619275
Having personally navigated the Australian permanent residency process, he is familiar with the administrative complexities and the challenges faced by applicants.



Registration to Practice
Regulated and Licensed
Authorised to give immigration assistance in Australia, and a member of the Migration Institute of Australia.
- Australian Registered Migration Agent
- Member, Migration Institute of Australia
Areas of Practice
Partner and Family
Billy was raised in Hong Kong during a period of significant social change, which led many families to seek international migration. It is a process Billy has been through himself.
01Subclass 820/801
Partner visa (Apply in Australia)
Allows the partner or spouse of an Australian citizen, Australian permanent resident or eligible New Zealand citizen to live in Australia.
02Subclass 309/100
Partner visa (Apply overseas)
Allows an offshore partner to enter and live in Australia if married to, or in a de facto relationship with, an Australian citizen, permanent resident, or eligible New Zealand citizen.
03Subclass 300
Prospective Marriage visa
Designed for fiancés planning to marry an Australian citizen or permanent resident, after which you can apply for a temporary-to-permanent onshore partner visa.
04Subclass 101/802
Child visas
Allow dependent, adopted, or orphaned children to live in Australia with their parents.
Billy’s professional background includes over 15 years of service within the Western Australian Local Government sector.
He has worked extensively across health, safety, and environmental regulation, providing him with a technical understanding of Australian government compliance and public policy, in occupations such as environmental health, building surveying and town planning.
This experience in a high-regulatory environment informs his approach to migration law, where he applies a rigorous, evidence-based methodology to visa applications and submissions.
Billy also works in the Hong Kong Stream, assisting Hong Kong passport holders utilising specialised pathways to Australian residency.
Academic Qualifications
Graduate Diploma in Australian Migration Law and PracticeUniversity of Technology Sydney
Bachelor of Science in Health, Safety and EnvironmentCurtin University
Master of Science in Sustainability ManagementCurtin University
Languages
Client conversations held in:
EnglishCantoneseMandarin
“I apply a rigorous, evidence-based methodology to visa applications and submissions.”
Yue Sun (Billy) Leung · Australian Registered Migration Agent