| 2015 Rank | 2014 Rank | Change | Company | Score | Location |
| 1 | 1 | — | McKinsey & Company | 8.924 | New York, NY |
| 2 | 2 | — | The Boston Consulting Group, Inc. | 8.564 | Boston, MA |
| 3 | 3 | — | Bain & Company | 8.403 | Boston, MA |
| 4 | 5 | ▲ | Deloitte Consulting LLP | 6.897 | New York, NY |
| 5 | 4 | ▼ | Strategy&, part of the PwC network (formerly Booz & Company) | 6.83 | New York, NY |
| 6 | 6 | — | Booz Allen Hamilton | 6.536 | Mclean, VA |
| 7 | 7 | — | PwC (PricewaterhouseCoopers) LLP (Consulting Practice) | 6.481 | New York, NY |
| 8 | 8 | — | EY (Ernst & Young) LLP Consulting Practice | 6.362 | New York, NY |
| 9 | 10 | ▲ | Accenture | 6.137 | New York, NY |
| 10 | 11 | ▲ | KPMG LLP (Consulting Practice) | 6.023 | New York, NY |
| 11 | 9 | ▼ | IBM Global Business Services | 5.97 | Armonk, NY |
| 12 | 12 | — | Oliver Wyman | 5.819 | New York, NY |
| 13 | 13 | — | A.T. Kearney | 5.638 | Chicago, IL |
| 14 | 14 | — | Mercer LLC | 5.38 | New York, NY |
| 15 | 15 | — | Gartner, Inc. | 5.367 | Stamford, CT |
| 16 | 17 | ▲ | L.E.K. Consulting | 5.195 | Boston, MA |
| 17 | 19 | ▲ | Lockheed Martin Corporation (IT Consulting) | 5.122 | Bethesda, MD |
| 18 | 16 | ▼ | Cisco Systems, Inc. (IT Consulting) | 5.105 | San Jose, CA |
| 19 | 18 | ▼ | Capgemini | 4.994 | New York, NY |
| 20 | 20 | — | Oracle Consulting | 4.932 | Redwood City, CA |
| 21 | 23 | ▲ | Navigant Consulting, Inc. | 4.712 | Chicago, IL |
| 22 | 27 | ▲ | Grant Thornton LLP (Consulting Practice) | 4.606 | Chicago, IL |
| 23 | 28 | ▲ | SAP Services (IT Consulting) | 4.55 | Newtown Square, PA |
| 24 | 25 | ▲ | Huron Consulting Group | 4.526 | Chicago, IL |
| 25 | 24 | ▼ | The Bridgespan Group | 4.521 | Boston, MA |
| 26 | 21 | ▼ | The Parthenon Group | 4.502 | Boston, MA |
| 27 | 22 | ▼ | ZS Associates | 4.498 | Evanston, IL |
| 28 | 26 | ▼ | Charles River Associates | 4.446 | Boston, MA |
| 29 | 32 | ▲ | Alvarez & Marsal | 4.355 | New York, NY |
| 30 | 31 | ▲ | Towers Watson | 4.346 | New York, NY |
| 31 | 35 | ▲ | FTI Consulting, Inc. | 4.339 | Washington, DC |
| 32 | 29 | ▼ | NERA Economic Consulting | 4.334 | New York, NY |
| 33 | 34 | ▲ | Northrop Grumman Corporation (IT Consulting) | 4.263 | Los Angeles, CA |
| 34 | 33 | ▼ | Gallup Consulting | 4.258 | Washington, DC |
| 35 | 36 | ▲ | Aon Hewitt | 4.232 | Chicago, IL |
| 36 | 30 | ▼ | Roland Berger Strategy Consultants | 4.129 | Detroit, MI |
| 37 | 41 | ▲ | Kurt Salmon | 4.085 | Atlanta, GA |
| 38 | 39 | ▲ | Cornerstone Research | 4.055 | San Francisco, CA |
| 39 | 38 | ▼ | The Cambridge Group | 4.024 | Chicago, IL |
| 40 | 40 | — | AlixPartners, LLP | 4.014 | Southfield, MI |
| 41 | 48 | ▲ | McGladrey Consulting Services | 4.009 | Chicago, IL |
| 42 | 42 | — | The Advisory Board Company | 3.944 | Washington, DC |
| 43 | 37 | ▼ | Arthur D. Little | 3.916 | Boston, MA |
| 44 | 44 | — | Analysis Group, Inc. | 3.892 | Boston, MA |
| 45 | 46 | ▲ | BDO Consulting | 3.869 | New York, NY |
| 46 | 47 | ▲ | Xerox Services | 3.797 | Norwalk, CT |
| 47 | 45 | ▼ | Infosys Consulting Inc. | 3.783 | Fremont, CA |
| 48 | 43 | ▼ | HP Services | 3.691 | Palo Alto, CA |
| 49 | NR | — | Cognizant | 3.635 | Teaneck, NJ |
| 50 | NR | — | Compass Lexecon LLC | 3.631 | Chicago, IL |