Top Corporate Tax & Accounting Advisory Brands by AI Visibility in Hong Kong

Hong Kong's Corporate Tax & Accounting Advisory market exhibits clear generative engine optimization (GEO) leaders. Deloitte (100% Visibility Index, #1.00 Avg Response Position) demonstrates unparalleled top-of-mind recall, consistently capturing the AI's premier recommendation slot. KPMG (#2.00) and EY (#3.17) follow closely, solidifying a dominant top tier where lower positioning numbers signify superior recall in AI-generated responses. This consistent high ranking is crucial for market leadership and initial brand consideration.

While Grant Thornton, BDO, and PwC also maintain 100% visibility, their average response positions (ranging from #5.00 to #7.00) indicate a secondary tier in generative AI recall. RSM, despite 83.3% visibility, notably achieves a competitive #4.20 position, outperforming some full-visibility firms. Mazars (83.3% visibility, #8.60) and Crowe (33.3% visibility, #8.50) represent the emerging long-tail, facing greater challenges in securing consistent prominence and top-tier recall within the generative search landscape.

Rank Brand Name Share of Voice Avg Position
#1 Deloitte
100%
#1.00
#2 KPMG
100%
#2.00
#3 EY
100%
#3.17
#4 Grant Thornton
100%
#5.00
#5 BDO
100%
#6.00
#6 PwC
100%
#7.00
#7 RSM
83%
#4.20
#8 Mazars
83%
#8.60
#9 Crowe
33%
#8.50

Methodology & Metrics Definition:

  • Share of Voice (SOV): The percentage of AI search evaluation cycles where the brand was explicitly cited or recommended.
  • Avg Position: The average order of appearance in AI response lists (closer to #1.00 indicates top-of-mind priority).
  • Evaluated AI Models: Benchmark evaluations are conducted across OpenAI ChatGPT and Google Gemini.

Monthly data generated via Altovista AI Visibility Intelligence. Last Updated: July 24, 2026