Consulting Firms

League Table

TOP 50 STRATEGY & CONSULTING FIRMS RANKED BY KEY METRICS

#	Firm Name	Tier
1	Huron Consulting Group	Strategy
2	Mercer	Strategy
3	Houlihan Lokey	Strategy
4	Clearview Healthcare Partners	Boutique
5	Simon-Kucher	Boutique
6	FTI Consulting	Strategy
7	McKinsey & Company	MBB
8	Alvarez & Marsal	Strategy
9	Teneo	Boutique
10	Kearney	Strategy
11	Accenture	Big4
12	Bain & Company	MBB
13	EY	Big4
14	Gartner Consulting	Global
15	L.E.K. Consulting	Strategy
16	OC&C Strategy Consultants	Boutique
17	Teneo	Boutique
18	Kroll	Strategy
19	Putnam Associates	Boutique
20	Willis Towers Watson	Strategy
21	AlixPartners	Strategy
22	Berkeley Research Group	Boutique
23	Hay Group	Boutique
24	Blue Ridge Partners	Boutique
25	Oliver Wyman	Strategy
26	Advancy	Boutique
27	IBM Consulting	Global
28	Publicis Sapient	Global
29	FTI Consulting	Strategy
30	KPMG	Big4
31	Alvarez & Marsal	Strategy
32	Deloitte	Big4
33	Dalberg	Boutique
34	Advancy	Boutique
35	BCG	MBB
36	Berkeley Research Group	Boutique
37	AlixPartners	Strategy
38	Willis Towers Watson	Strategy
39	Slalom	Strategy
40	Grant Thornton	Global
41	Mars & Co	Boutique
42	Mars & Co	Boutique
43	Deloitte	Big4
44	BCG	MBB
45	Navigant Consulting	Strategy
46	Guidehouse	Strategy
47	Arthur D. Little	Boutique
48	Capgemini Invent	Global
49	Houlihan Lokey	Strategy
50	Forvis Mazars	Global
51	Altman Solon	Boutique
52	OC&C Strategy Consultants	Boutique
53	PwC	Big4
54	Navigant Consulting	Strategy
55	Analysis Group	Boutique
56	Roland Berger	Strategy
57	Aon Consulting	Strategy
58	Publicis Sapient	Global
59	Accenture	Big4
60	Protiviti	Strategy
61	Bates White	Boutique
62	Oliver Wyman	Strategy
63	McKinsey & Company	MBB
64	L.E.K. Consulting	Strategy
65	Altman Solon	Boutique
66	Guidehouse	Strategy
67	Gartner Consulting	Global
68	Roland Berger	Strategy
69	BDO	Global
70	Bates White	Boutique
71	PwC	Big4
72	West Monroe	Strategy
73	Clearview Healthcare Partners	Boutique
74	EY	Big4
75	Simon-Kucher	Boutique
76	BDO	Global
77	Mercer	Strategy
78	Grant Thornton	Global
79	IBM Consulting	Global
80	PA Consulting	Strategy
81	Dalberg	Boutique
82	KPMG	Big4
83	Bain & Company	MBB
84	Kearney	Strategy
85	ZS Associates	Strategy
86	Capgemini Invent	Global
87	Kroll	Strategy
88	Hay Group	Boutique
89	Blue Ridge Partners	Boutique
90	Forvis Mazars	Global
91	Analysis Group	Boutique
92	ZS Associates	Strategy
93	Slalom	Strategy
94	Huron Consulting Group	Strategy
95	Protiviti	Strategy
96	West Monroe	Strategy
97	Aon Consulting	Strategy
98	PA Consulting	Strategy
99	Arthur D. Little	Boutique
100	Putnam Associates	Boutique

Revenue and headcount figures sourced from public annual reports, company filings and industry estimates. Figures marked est. are approximations. Strategy and advisory headcount represents staff primarily engaged in consulting and advisory work. Last updated April 2026.