Andrew Prior is a Principal in Ryan’s Complex Property Tax practice, based in the Firm’s Toronto office. With more than 25 years of experience in property tax consulting and assessment administration, he advises clients on complex property tax matters across a broad range of property types. Andrew works closely with organizations to develop strategic assessment review and property tax management solutions that support operational efficiency, reduce risk, and improve long-term tax outcomes.
As a leader within the Toronto office, Andrew directs and manages a dedicated team of professionals specializing in property assessment and taxation services. He brings extensive experience in valuation analysis, assessment review, and strategic client advisory, helping organizations navigate complex assessment environments with clarity and confidence. Known for his collaborative leadership style and disciplined approach to client service, Andrew combines technical expertise with practical execution to deliver measurable value across complex property portfolios.
Education and Qualifications
Paralegal, Law Society of Upper Canada (Ryan is not a law firm.)
Certificate, Real Property Assessment, University of British Columbia
Diploma, Real Property Administration and Assessment, Seneca College
Diploma, Resource Civil Engineering, Seneca College
Experience and Achievements
Principal, Property Tax, Ryan, Toronto office
Advises clients on complex property tax consulting and assessment review matters
Leads strategic property tax initiatives across a broad range of commercial property types
Directs teams specializing in property assessment and taxation services
Vice President, Property Tax, Altus Group
Led complex property tax consulting engagements and client advisory initiatives
Oversaw operational leadership and strategic growth initiatives within the practice
Director, Altus Group
Managed property tax consulting engagements involving valuation and assessment review
Directed client service delivery and assessment strategy initiatives
Manager, Property Taxation, Nexacor
Advised clients on property taxation and assessment-related matters
Analyst, MPAC
Supported valuation and assessment administration functions across property portfolios