Before attached with PSYAP & CO. , Tan joined medium firm Morres Rowland in 2004 until 2009 and subsequently joined Mazars.

Tan associated with PSYAP & CO. in 2010 and heads the Subang branch of PSYAP & CO. in 2013 and then joined us in KL office recently in 2019.

Tan is a member of Malaysian Institute of Accountants and a member of Association Certified Chartered Accountants (ACCA).

Tan has been involved in auditing and company secretary for the past 10 years.