/ THE CONSULTANCY CALIBER INDEX™ · VOLUME I · 2026
Letter grades for every major consultancy in the world.
A unified rating system for U.S. and global management consulting, strategy, design, creative, PR, exec search, and economic consulting firms. 63 firms rated across five dimensions — Outcome Track Record, Pricing Honesty, Conflict of Interest, Talent Quality, Methodology Rigor. Sourced from PACER federal court filings, SEC enforcement records, state attorney general actions, BBB profiles, public client testimonials, and The Agency's proprietary client survey. Updated quarterly.
Grade
Firm
Score
Risk Band
B
McKinsey & Company
Management Consulting
80/100
Good
→
B+
Boston Consulting Group
Management Consulting
84/100
Good
→
B+
Bain & Company
Management Consulting
85/100
Good
→
B-
Deloitte Consulting
Big 4 Advisory
74/100
Good
→
C+
PwC / Strategy&
Big 4 Advisory
68/100
Mixed
→
B-
EY-Parthenon
Big 4 Advisory
76/100
Good
→
C
KPMG Advisory
Big 4 Advisory
62/100
Mixed
→
B-
Accenture Strategy
Tech Consulting
75/100
Good
→
C+
Capgemini Invent
Tech Consulting
68/100
Mixed
→
C
IBM Consulting
Tech Consulting
64/100
Mixed
→
B+
Oliver Wyman
Boutique Strategy
83/100
Good
→
B
L.E.K. Consulting
Boutique Strategy
80/100
Good
→
B
Roland Berger
Boutique Strategy
78/100
Good
→
B
Kearney
Boutique Strategy
79/100
Good
→
B+
Simon-Kucher
Boutique Strategy
83/100
Good
→
B-
Booz Allen Hamilton
Government Consulting
76/100
Good
→
C+
Monitor Deloitte
Boutique Strategy
68/100
Mixed
→
B+
IDEO
Design / Innovation
85/100
Good
→
B
frog
Design / Innovation
81/100
Good
→
A-
Pentagram
Design / Innovation
90/100
Excellent
→
B
Smart Design
Design / Innovation
80/100
Good
→
B-
R/GA
Design / Innovation
74/100
Good
→
C+
Huge
Design / Innovation
67/100
Mixed
→
B
Wolff Olins
Design / Innovation
81/100
Good
→
B+
COLLINS
Design / Innovation
85/100
Good
→
B+
Wieden+Kennedy
Creative Agency
86/100
Good
→
B+
Mother
Creative Agency
84/100
Good
→
B
Droga5
Creative Agency
80/100
Good
→
B
Anomaly
Creative Agency
81/100
Good
→
C+
72andSunny
Creative Agency
68/100
Mixed
→
B-
Ogilvy
Creative Agency
73/100
Good
→
C+
McCann
Creative Agency
67/100
Mixed
→
B-
Edelman
PR / Communications
74/100
Good
→
C+
Weber Shandwick
PR / Communications
67/100
Mixed
→
C+
FleishmanHillard
PR / Communications
68/100
Mixed
→
C
Burson Cohn & Wolfe
PR / Communications
62/100
Mixed
→
B-
Ketchum
PR / Communications
73/100
Good
→
B-
Korn Ferry
Exec Search / Advisory
76/100
Good
→
B+
Spencer Stuart
Exec Search / Advisory
85/100
Good
→
B
Russell Reynolds Associates
Exec Search / Advisory
81/100
Good
→
B+
Egon Zehnder
Exec Search / Advisory
85/100
Good
→
B-
Heidrick & Struggles
Exec Search / Advisory
74/100
Good
→
B+
The Brattle Group
Economic Consulting
85/100
Good
→
B
NERA Economic Consulting
Economic Consulting
81/100
Good
→
B+
Cornerstone Research
Economic Consulting
85/100
Good
→
B
Charles River Associates
Economic Consulting
80/100
Good
→
B+
ZS Associates
Specialty Consulting
83/100
Good
→
F
Monitor Group (Chapter 11 2012)
Defunct
25/100
Critical
→
F
Booz & Co. (Acquired by PwC 2014)
Defunct
28/100
Critical
→
F
Marakon Associates (Acquired by Charles River 2009)
Defunct
30/100
Critical
→
B-
Slalom Consulting
Tech Consulting
75/100
Good
→
B
West Monroe Partners
Tech Consulting
79/100
Good
→
C+
Publicis Sapient
Tech Consulting
67/100
Mixed
→
B-
Mercer
HR Consulting
75/100
Good
→
B-
Aon
HR Consulting
74/100
Good
→
B+
The Bridgespan Group
Nonprofit Consulting
84/100
Good
→
B-
Sequoia Consulting Group
HR Consulting
74/100
Good
→
C+
Catalant
Expert Network
68/100
Mixed
→
B
Toptal Consulting
Expert Network
78/100
Good
→
B
Andersen
Tax / Advisory
80/100
Good
→
B
Co:Collective
Creative + Strategy
79/100
Good
→
B-
Redscout
Creative + Strategy
75/100
Good
→
B-
Siegel+Gale
Brand Consulting
74/100
Good
→
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