World's Best Management Consulting Firms 2026
Snapshot 2026-09-14. Forbes 2026: Accenture 27 five-star categories, first; Deloitte 25. Revenue table: Deloitte US$70.5bn; Accenture consulting US$35.11bn.
Snapshot 2026-09-14. The main table uses published 5-star category counts from Forbes × Statista 2026. Accenture leads with 27 five-star ratings and one four-star. Deloitte has 25 five-star ratings. McKinsey has 21, BCG 19. Bain, KPMG and PwC have a 4- or 5-star rating in all 28 categories; the article does not split the 5-star count. Accounting networks sit in Global Accounting Firms 2026.
Forbes 2026 recommendation stars
Fifth edition. Consultants and clients name firms they would recommend, excluding their own. The global survey covers 5,400 consultants and 3,700 clients in 31 countries, plus national surveys in the US, UK and Germany — about 9,000 respondents in total. Thirteen industries and 15 functions make 28 categories. Five stars means the top 10% of recommendations in that category. The 2026 list recognizes 208 names: 200 firms and eight consulting networks. Eligible firms need offices in at least three of seven regions.
| Band | Firm | 5-star categories | 4-star / note |
|---|---|---|---|
| S | Accenture | 27 | 1 |
| S | Deloitte | 25 | 3 |
| A | McKinsey | 21 | 7 |
| A | BCG | 19 | 9 |
| B | Bain | — | 4- or 5-star in all 28 categories (5-star count not published) |
| B | KPMG | — | 4- or 5-star in all 28 categories (5-star count not published) |
| B | PwC | — | 4- or 5-star in all 28 categories (5-star count not published) |
| C | Alvarez & Marsal | — | On the 2026 list; article gives no star totals |
| C | Oliver Wyman | — | On the 2026 list; article gives no star totals |
| C | Kearney | — | On the 2026 list; article gives no star totals |
| C | Roland Berger | — | On the 2026 list; article gives no star totals |
| C | EY | — | On the 2026 list; article gives no star totals |
| D | Capgemini | — | On the 2026 list; article gives no star totals |
| D | Booz Allen Hamilton | — | On the 2026 list; article gives no star totals |
| D | Arthur D. Little | — | On the 2026 list; article gives no star totals |
| D | AlixPartners | — | On the 2026 list; article gives no star totals |
| D | ABeam Consulting | — | On the 2026 list; article gives no star totals |
| D | L.E.K. Consulting | — | On the 2026 list; article gives no star totals |
| D | FTI Consulting | — | On the 2026 list; article gives no star totals |
Bands C and D are familiar names on the recognition list. The article does not publish star totals for them, so the table only marks that they are listed.
How this list is ranked
Snapshot 2026-09-14. The main table uses 5-star category counts from the Forbes × Statista 2026 article. The recognition roster is the World's Best Management Consulting Firms 2026 list. Revenue sits in a separate table from official releases; fiscal years differ and are not mixed into the star ranking. Vault prestige scores are not used. Accounting networks: Global Accounting Firms 2026. Staffing: Global Staffing Groups 2026. MBA programmes: Global MBA 2026. Names: docs/glossaries/consulting-firms-glossary.md.
| Source | Snapshot | Basis | Weight |
|---|---|---|---|
| Forbes 2026 article | 2026-08-20 | ~9,000 respondents, 31 countries, 28 categories; Accenture 27 five-star ratings, first | Primary |
| Forbes recognition list | 2026-09-14 | 208 names (200 firms + 8 networks); offices in at least three regions | Primary (roster) |
| Deloitte FY2025 release | 2025-09-30 | US$70.5bn; Deloitte cites Gartner ranking it No. 1 consulting by revenue for an eighth year | Support |
| Accenture FY2025 8-K | 2025-09-25 | Group US$69.7bn; consulting US$35.11bn | Support |
| PwC FY2025 release | 2025-10-28 | US$56.9bn | Support |
| EY FY2025 release | 2025-10-15 | US$53.2bn; consulting US$16.4bn | Support |
| KPMG FY2025 release | 2025-12-16 | US$39.8bn continued operations | Support |
| BCG 2025 revenue release | 2026-04-23 | US$14.4bn, 22nd growth year | Support |
Disclosed revenue
Fiscal periods differ; figures are copied from official releases. Deloitte’s network is the largest at US$70.5 billion. Accenture’s group is US$69.7 billion, with consulting at US$35.11 billion. BCG reported US$14.4 billion for calendar 2025, its 22nd growth year. McKinsey and Bain do not publish group revenue; this table does not fill that gap with estimates.
| Firm | Period | Revenue (US$ bn) | Basis |
|---|---|---|---|
| Deloitte | FY2025 (to 31 May 2025) | 70.5 | Network total; consulting split as SR&T / T&T, no single consulting line |
| Accenture | FY2025 (to 31 Aug 2025) | 69.7 | Group $69.7bn; consulting segment $35.11bn |
| PwC | FY2025 (to 30 Jun 2025) | 56.9 | Network gross revenue |
| EY | FY2025 (to Jun 2025) | 53.2 | Group total; consulting $16.4bn; EY-Parthenon $6.2bn |
| KPMG | FY2025 (to 30 Sep 2025) | 39.8 | Continued operations; $40.2bn on a full basis |
| BCG | Calendar 2025 | 14.4 | 22nd consecutive growth year; 33,500 people |
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World's Best Consulting Firms Tier List 2026
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