Top Corporate Tax & Accounting Advisory Brands by AI Visibility in United Kingdom

In the UK Corporate Tax & Accounting Advisory market, generative engine optimization (GEO) data highlights clear leaders. Deloitte, KPMG, and EY all boast a 100% Visibility Index, ensuring consistent appearance in AI-driven results. Deloitte's exceptional 1.00 Avg Response Position signifies superior top-of-mind recall, consistently leading AI's recommendation arrays. KPMG (2.33) and EY (3.50) also exhibit strong, consistent top-tier performance, reflecting highly optimized digital presence within generative AI frameworks for enterprise services.

The next tier, including Grant Thornton, BDO, and PwC, achieves 100% Visibility but with higher Avg Response Positions (6.00-7.67), indicating less consistent premier algorithmic placement. Firms like RSM and Mazars (66.7% Visibility), alongside Saffery Champness (33.3%), demonstrate reduced overall presence and less favorable response positions (7.00-11.00). This bifurcated landscape underscores the critical role of advanced GEO strategies in securing not just visibility but also preferential algorithmic recommendations within the competitive UK Enterprise & Corporate Services sector.

Rank Brand Name Share of Voice Avg Position
#1 Deloitte
100%
#1.00
#2 KPMG
100%
#2.33
#3 EY
100%
#3.50
#4 Grant Thornton
100%
#6.00
#5 BDO
100%
#7.67
#5 PwC
100%
#7.67
#6 RSM
67%
#5.50
#7 Mazars
67%
#11.00
#8 Evelyn Partners
50%
#8.67
#9 Saffery
33%
#7.00

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 23, 2026