Davis joined HLB Hodgson Impey Cheng in 2001. He has extensive experience in corporate audits of Hong Kong and overseas listed companies. In particular, Davis has served clients from different industries including real estate development, hotel and gaming operation, security technology, film production and distribution, manufacturing, trading and environmental protection, and water treatment operation. He is also specialised in special engagements including initial public offerings, mergers and acquisitions, financial due diligence reviews, internal control reviews and Mandatory Provident Fund (MPF) audit.

Davis served as a Committee Member of each of the Continuing Professional Development Advisory Panel (2012 – 2014), the Financial Reporting Standards Committee (2013 – 2016), the Sustainability Committee (2019 – 2021) and the Task Force on Legal and Compliance for Accountants (2021) of the Hong Kong Institute of Certified Public Accountants.