Brandwave

How popular isEY-Parthenon?

In September 2026, people searched for EY-Parthenon by name about 60,500 times worldwide, about the same as the previous year. These searches made up 1% of all global consulting firm searches, placing EY-Parthenon eighth out of ten firms. When we asked both ChatGPT and Google AI Overviews about consulting firms, EY-Parthenon appeared in two of the four answers and was the seventh most recommended of the ten.

Search and AI answers in September 2026

EY-Parthenon is the eighth most searched of 10 competitors and the seventh most recommended in AI answers.

  1. DeloitteShare of searches 31.8%Mentioned in 3 of 4 AI answersPlace in AI recommendations 6th
  2. AccentureShare of searches 26%Mentioned in 2 of 4 AI answersPlace in AI recommendations 10th
  3. PwCShare of searches 17.4%Mentioned in 3 of 4 AI answersPlace in AI recommendations 4th
  4. BCGShare of searches 9.2%Mentioned in 4 of 4 AI answersPlace in AI recommendations 2nd
  5. EY-ParthenonShare of searches 1%Mentioned in 2 of 4 AI answersPlace in AI recommendations 7th

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Top consulting firms in ChatGPT and Google AI Overviews

In three ChatGPT questions and one Google AI Overview, EY-Parthenon was mentioned in two out of four: in two of the three ChatGPT answers, but not in the Google AI Overview. EY-Parthenon is the seventh most recommended of the ten.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. McKinsey & Company1st
  2. BCG2nd
  3. Bain & Company3rd
  4. PwC4th
  5. Oliver Wyman5th
  6. Deloitte6th
  7. EY-Parthenon7th
  8. Kearney8th
  9. L.E.K. Consulting9th
  10. Accenture10th

Mentioned by AI

Each dot is one answer, filled in when that answer mentions the brand.

  • BCG4 of 4Named in 3 of 3 ChatGPT answersNamed in 1 of 1 Google answers
  • McKinsey & Company4 of 4Named in 3 of 3 ChatGPT answersNamed in 1 of 1 Google answers
  • Bain & Company4 of 4Named in 3 of 3 ChatGPT answersNamed in 1 of 1 Google answers
  • Deloitte3 of 4Named in 2 of 3 ChatGPT answersNamed in 1 of 1 Google answers
  • PwC3 of 4Named in 2 of 3 ChatGPT answersNamed in 1 of 1 Google answers
  • Accenture2 of 4Named in 1 of 3 ChatGPT answersNamed in 1 of 1 Google answers
  • Oliver Wyman2 of 4Named in 2 of 3 ChatGPT answersNamed in 0 of 1 Google answers
  • EY-Parthenon2 of 4Named in 2 of 3 ChatGPT answersNamed in 0 of 1 Google answers
  • L.E.K. Consulting2 of 4Named in 2 of 3 ChatGPT answersNamed in 0 of 1 Google answers
  • Kearney2 of 4Named in 2 of 3 ChatGPT answersNamed in 0 of 1 Google answers

See every answer about consulting firms

4 answers

Brands are shown in the order each answer named them. The survey took place in the United States on October 19, 2026.

Which consulting firms compete with EY-Parthenon?

EY-Parthenon against consulting firms worldwide, by month

Share of searches by month for Deloitte, Accenture, PwC, BCG, McKinsey & Company, Bain & Company, EY-Parthenon. The figures are in the table below the chart.

View monthly share of searches table
MonthDeloitteAccenturePwCBCGMcKinsey & CompanyBain & CompanyOliver WymanEY-ParthenonL.E.K. ConsultingKearney
Oct 202530.4%24.9%16.6%10.8%9.1%5%1.5%1%0.37%0.26%
Nov 202531.7%26%17.3%9.2%7.8%5.2%1.3%0.86%0.31%0.22%
Dec 202524.2%29.8%19.8%8.7%8.9%6.1%1.2%0.8%0.24%0.21%
Jan 202627.4%27.4%18.3%9.7%8.2%5.9%1.7%0.9%0.27%0.25%
Feb 202627.8%27.8%18.5%9.9%8.3%5%1.4%0.92%0.27%0.25%
Mar 202626.9%26.9%17.9%9.5%9.8%5.8%1.6%1.1%0.26%0.24%
Apr 202627.3%27.3%18.2%9.7%10%4.9%1.3%0.9%0.27%0.25%
May 202628.7%28.7%15.8%10.2%8.6%5.1%1.4%0.95%0.28%0.21%
Jun 202629.1%29.1%16%9%8.7%5.1%1.4%0.96%0.29%0.23%
Jul 202629.1%29.1%16%9%8.7%5.1%1.4%0.96%0.29%0.23%
Aug 202628.5%28.5%15.6%8.8%8.5%7.2%1.4%0.94%0.34%0.24%
Sep 202631.8%26%17.4%9.2%7.8%4.6%1.6%1%0.31%0.22%

  1. 1.Deloitte

    31.8%

    Moved from 2nd to 1st. 1.8M estimated branded searches, +22% vs prior month. Share +3.3 points.

  2. 2.Accenture

    26%

    Moved from 1st to 2nd. 1.5M estimated branded searches, 0% vs prior month. Share -2.4 points.

  3. 3.PwC

    17.4%

    Held 3rd. 1M estimated branded searches, +21.5% vs prior month. Share +1.7 points.

  4. 4.BCG

    9.2%

    Held 4th. 533K estimated branded searches, +14.4% vs prior month. Share +0.4 points.

  5. 5.McKinsey & Company

    7.8%

    Held 5th. 450K estimated branded searches, 0% vs prior month. Share -0.7 points.

  6. 6.Bain & Company

    4.6%

    Held 6th. 268K estimated branded searches, -29.2% vs prior month. Share -2.5 points.

  7. 7.Oliver Wyman

    1.6%

    Held 7th. 90.5K estimated branded searches, +22.3% vs prior month. Share +0.2 points.

  8. 8.EY-Parthenon

    1%

    Held 8th. 60.5K estimated branded searches, +22.2% vs prior month. Share +0.1 points.

  9. 9.L.E.K. Consulting

    0.31%

    Held 9th. 18.1K estimated branded searches, 0% vs prior month. Share 0 points.

  10. 10.Kearney

    0.22%

    Held 10th. 12.5K estimated branded searches, 0% vs prior month. Share 0 points.

Compare popularity between EY-Parthenon and its closest rivals

Every comparison with EY-Parthenon

9 comparisons

How has branded search demand for EY-Parthenon changed worldwide over the last 12 months?

2 findings
  • Across the 12 months ending September 2026, estimated monthly branded searches for EY-Parthenon worldwide held steady at 60.5K.
  • Across the 12 months ending September 2026, EY-Parthenon’s share of searches among consulting firms worldwide held steady at 1%.

How did search popularity change for consulting firms worldwide in September 2026?

6 changes

  1. In September 2026, Deloitte overtook Accenture to become the leader among consulting firms worldwide, with 31.8% of the searches.

  2. In September 2026, PwC gained share of searches among consulting firms worldwide, from 15.6% to 17.4%.

  3. In September 2026, Bain & Company lost share of searches among consulting firms worldwide, from 7.2% to 4.6%.

  4. In September 2026, Accenture lost share of searches among consulting firms worldwide, from 28.5% to 26%.

  5. In September 2026, McKinsey & Company lost share of searches among consulting firms worldwide, from 8.5% to 7.8%.

  6. Estimated monthly branded searches for Kearney worldwide fell 20.4% over 12 measured months, from 15.7K to 12.5K in September 2026.

How are EY-Parthenon’s branded searches counted?

1 search term

Brandwave collects information about searches that people make online using EY-Parthenon’s name. When viewed over time, estimated search volumes for this branded term can be used to understand whether interest in the brand is growing, holding steady, or fading.

  • ey parthenon

How the Brand Demand Index is measured

Who owns EY-Parthenon?

EY-Parthenon is owned by EY. Brandwave also tracks EY, owned by the same company, worldwide.

Do you work for EY-Parthenon? To request corrections or removal please contact us via our support page and we will be happy to assist.

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