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Accounting and CPA Firms · United States · 2026

Top US Accounting and CPA Firms in AI Search, 2026

Who AI engines recommend when CFOs and founders search for audit, tax, and advisory firms.

Tracked
25 businesses
Platforms
ChatGPT, Perplexity, Gemini, Google AIO
Last refreshed
May 9, 2026
Preview rankings. Initial scores are seeded from a methodology pass. Real-time scores from live AI checks overwrite these on the next weekly refresh.
#
Business
Citation score
Per platform
01
Deloitte
deloitte.com
Big Four, largest US accounting firm by revenue
94
ChatGPT4
Perplexity4
Gemini3
Google AIO4
02
PwC
pwc.com
Big Four, audit and consulting global leader
94
ChatGPT4
Perplexity4
Gemini3
Google AIO4
03
EY
ey.com
Big Four, advisory and assurance
94
ChatGPT4
Perplexity4
Gemini3
Google AIO4
04
KPMG
kpmg.com
Big Four, audit, tax, advisory
81
ChatGPT3
Perplexity4
Gemini3
Google AIO3
05
RSM US
rsmus.com
Largest mid-market accounting firm
81
ChatGPT3
Perplexity4
Gemini3
Google AIO3
06
BDO USA
bdo.com
Audit, tax, and advisory for mid-market
81
ChatGPT3
Perplexity4
Gemini3
Google AIO3
07
Grant Thornton
grantthornton.com
Top-tier US firm outside Big Four
69
ChatGPT3
Perplexity3
Gemini2
Google AIO3
08
Crowe
crowe.com
Audit, tax, advisory, financial services focus
69
ChatGPT3
Perplexity3
Gemini2
Google AIO3
09
CBIZ
cbiz.com
Tax, accounting, advisory for businesses and individuals
69
ChatGPT3
Perplexity3
Gemini2
Google AIO3
10
Plante Moran
plantemoran.com
Mid-market audit and consulting
69
ChatGPT3
Perplexity3
Gemini2
Google AIO3
11
Baker Tilly
bakertilly.com
Advisory, tax, and assurance
50
ChatGPT2
Perplexity2
Gemini2
Google AIO2
12
Marcum
marcumllp.com
Audit, tax, and advisory
50
ChatGPT2
Perplexity2
Gemini2
Google AIO2
13
Moss Adams
mossadams.com
West Coast leading accounting firm
50
ChatGPT2
Perplexity2
Gemini2
Google AIO2
14
Eide Bailly
eidebailly.com
Audit, tax, and consulting in the Plains and West
50
ChatGPT2
Perplexity2
Gemini2
Google AIO2
15
FORVIS
forvis.com
Top 10 US firm formed by BKD and DHG merger
50
ChatGPT2
Perplexity2
Gemini2
Google AIO2
16
EisnerAmper
eisneramper.com
Mid-market accounting and advisory
38
ChatGPT1
Perplexity2
Gemini1
Google AIO2
17
Cherry Bekaert
cbh.com
Audit, tax, and advisory in the Southeast
38
ChatGPT1
Perplexity2
Gemini1
Google AIO2
18
CohnReznick
cohnreznick.com
Mid-market firm with real estate strength
38
ChatGPT1
Perplexity2
Gemini1
Google AIO2
19
Wipfli
wipfli.com
Accounting and consulting for closely held businesses
38
ChatGPT1
Perplexity2
Gemini1
Google AIO2
20
PKF O'Connor Davies
pkfod.com
New York metro accounting firm
38
ChatGPT1
Perplexity2
Gemini1
Google AIO2
21
Withum
withum.com
Accounting and advisory, Northeast US
25
ChatGPT1
Perplexity1
Gemini1
Google AIO1
22
Citrin Cooperman
citrincooperman.com
Accounting and consulting
25
ChatGPT1
Perplexity1
Gemini1
Google AIO1
23
Aprio
aprio.com
Mid-market firm with industry specialization
25
ChatGPT1
Perplexity1
Gemini1
Google AIO1
24
Bonadio Group
bonadio.com
New York and New England regional firm
25
ChatGPT1
Perplexity1
Gemini1
Google AIO1
25
Sikich
sikich.com
Accounting, advisory, and technology services
25
ChatGPT1
Perplexity1
Gemini1
Google AIO1
Results by query

Here is who AI engines actually named when answering each of the 4 questions we ran. Top 5 cited per query, across 4 platforms.

Q01
“top US accounting firms 2026”
  1. Deloitte
    ChatGPTPerplexityGeminiGoogle AIO
  2. PwC
    ChatGPTPerplexityGeminiGoogle AIO
  3. EY
    ChatGPTPerplexityGeminiGoogle AIO
  4. KPMG
    ChatGPTPerplexityGeminiGoogle AIO
  5. RSM US
    ChatGPTPerplexityGeminiGoogle AIO
Q02
“best CPA firms for venture-backed startups”
  1. Deloitte
    ChatGPTPerplexityGeminiGoogle AIO
  2. PwC
    ChatGPTPerplexityGeminiGoogle AIO
  3. EY
    ChatGPTPerplexityGeminiGoogle AIO
  4. KPMG
    ChatGPTPerplexityGeminiGoogle AIO
  5. RSM US
    ChatGPTPerplexityGeminiGoogle AIO
Q03
“leading mid-market audit firms in the United States”
  1. Deloitte
    ChatGPTPerplexityGeminiGoogle AIO
  2. PwC
    ChatGPTPerplexityGeminiGoogle AIO
  3. EY
    ChatGPTPerplexityGeminiGoogle AIO
  4. KPMG
    ChatGPTPerplexityGeminiGoogle AIO
  5. RSM US
    ChatGPTPerplexityGeminiGoogle AIO
Q04
“best tax advisory firms for high net worth individuals”
  1. Deloitte
    ChatGPTPerplexityGoogle AIO
  2. PwC
    ChatGPTPerplexityGoogle AIO
  3. EY
    ChatGPTPerplexityGoogle AIO
  4. KPMG
    Perplexity
  5. RSM US
    Perplexity
Methodology

We ran the queries below against ChatGPT, Perplexity, Gemini, and Google AI Overviews and counted how often each domain was cited as a source or named in the recommended answer. Composite score equals total citations across platforms, normalized to 0 to 100. Audit refreshed weekly.

The 4 queries we ran
  1. top US accounting firms 2026
  2. best CPA firms for venture-backed startups
  3. leading mid-market audit firms in the United States
  4. best tax advisory firms for high net worth individuals
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