This article brings together the largest consulting companies in the world. We have grouped them into 5 categories, and provided information on their reputation, prestige, size, number of employees, expertise and industries. This article is not intended to rank companies, but to provide a fair overview on their capabilities based on business expert opinions.
Group 1: the most prestigious consulting companies in strategy and business consulting
McKinsey & Company
McKinsey & Company help organizations across the private, public, and social sectors and partner with clients to transform their organizations and build enduring capabilities, combining global expertise and local insight to help clients to turn their ambitious goals into reality.
McKinsey & Company has expertise in many industries such as Advanced Electronics, Aerospace and Defense, Agriculture, Automotive and Assembly, Chemicals, Consumer Packaged Goods, Electric Power and Natural Gas, Financial Services, Healthcare Systems and Services, Metals and Mining, Oil and Gas, Paper, Forest Products and Packaging, Pharmaceuticals and Medical Products, Private Equity and Principal Investors, Public and Social Sector, Real Estate, Retail, Semiconductors, Technology, Media and Telecommunications, Travel, Logistics and Transport Infrastructure.
Size: Very Large
Geographical coverage: Worldwide
Best expertise: Corporate Strategy
Independent from suppliers and competitors: Yes
Organization digital maturity: Partial
Website: https://www.mckinsey.com/
The Boston Consulting Group (BCG)
Founded in 1963, Boston Consulting Group helps with leaders in business and society to tackle their most important challenges and capture their greatest opportunities. BCG assists organizations to blend digital and human capabilities. BCG brings deep industry and functional expertise and a range of perspectives such as data science, technology and design, digital ventures, and business purpose. BCG works with a collaborative model throughout all levels of the client organization to unlock results that help organizations to succeed.
The Boston Consulting Group has expertise in many industries such as Automotive and Mobility, Biopharmaceuticals, Consumer Products, Education, Engineered Products and Infrastructure, Financial Institutions, Health Care Payers, Providers and Services, Insurance, Media and Entertainment, Medical Devices and Technology, Metals and Mining, Oil and Gas, Power and Utilities, Principal Investors and Private Equity, Process Industries and Building Materials, Public Sector, Retail, Technology Industries, Telecommunications, Transportation and Logistics, Travel and Tourism.
Size: Very Large
Prestige: Very High
Geographical coverage: Worldwide
Best expertise: Corporate Strategy
Independent from suppliers and competitors: Yes
Organization digital maturity: Partial
Website: https://www.bcg.com/
Bain & Company
Bain helps global leaders to solve industry-defining challenges in the fields of strategy, corporate finance, mergers and acquisitions, information technology, digital transformation, marketing, operations, organization, advanced analytics, transformations, sustainability.
Bain & Company has expertise in many industries such as Aerospace and Defense, Agribusiness, Airlines and Transportation, Automotive and Mobility, Chemicals, Consumer Products, Energy and Natural Resources, Financial Services, Banking, Insurance, Risk, Finance and Regulation, Forest Products, Paper and Packaging, Healthcare, Pharmaceuticals, Medical Technology, Healthcare Payers and Delivery Systems, Infrastructure and Construction, Machinery and Equipment, Media and Entertainment, Metals and Mining, Oil and Gas, Private Equity, Real Estate, Retail, Grocery, Fashion and Luxury, Social and Public Sector, Higher Education, Technology, Cloud Computing, Hardware, IT Services, Semiconductors, Software, Telecommunications, Utilities and Renewables.
Size: Large
Prestige: Very High
Geographical coverage: Worldwide
Best expertise: Corporate Strategy
Independent from suppliers and competitors: Yes
Organization digital maturity: Partial
Website: https://www.bain.com/
Group 2: other large business consulting firms (strategy and organization)
Deloitte Consulting
Deloitte has more than 100,000 employees and provides audit, assurance, tax, consulting, and risk and financial advisory services to large corporations and governmental agencies.
Deloitte has expertise in Consumer, Automotive, Consumer Products, Retail, Wholesale and Distribution, Transportation, Hospitality and Services, Energy, Resources and Industrials, Industrial Products and Construction, Mining and Metals, Oil and Gas, Chemicals, Power, Utilities and Renewables, Financial Services, Banking and Capital Markets, Insurance, Investment Management, Real Estate, Government and Public Services, Civil Government, Defense, Security and Justice, Federal Health, International Donor Organizations, State, Local and Higher Education, Transport, Life Sciences and Health Care, Health Care, Life Sciences, Technology, Media and Telecommunications, Technology, Telecommunications, Media and Entertainment.
Size: Very Large
Prestige: High
Geographical coverage: Worldwide
Best expertise: Audit, Tax & Risk
Independent from suppliers and competitors: Yes
Organization digital maturity: Partial
Website: https://www2.deloitte.com/
PricewaterhouseCoopers (PWC)
PWC has offices in 155 countries and more than 284,000 employees. It one of the largest consulting leading professional network in the world. PricewaterhouseCoopers helps organizations and leaders to create value and deliver quality in assurance, tax and advisory services.
PWC has expertise in Aerospace, defense and security, Asset and wealth management, Automotive, Banking and capital markets, Capital projects and infrastructure, Consumer markets, Energy, Utilities and resources, Engineering and construction, Financial services, Forest, Paper and Packaging, Government and public services, Healthcare, Hospitality and leisure, Industrial manufacturing, Insurance, Media, Pharmaceuticals and life sciences, Private equity, Sovereign investment funds, Technology, Telecommunications, Transportation and logistics.
Size: Very Large
Prestige: High
Geographical coverage: Worldwide
Best expertise: Tax & Assurance
Independent from suppliers and competitors: Yes
Organization digital maturity: Partial
Website: https://www.pwc.com/
Booz Allen Hamilton
Booz is a global firm of more 27,000 employees who bring bold thinking and a desire to be the best in their work in consulting, analytics, digital solutions and engineering.
Booz has expertise in Civil Government, Commercial, Defense, Intelligence, International, Energy, Resources and Utilities, Financial Services, Health, Homeland Security and Law Enforcement, and Transportation.
Size: Very Large
Prestige: High
Geographical coverage: Worldwide
Best expertise: Analytics and Engineering
Independent from suppliers and competitors: Yes
Organization digital maturity: Partial
Website: https://www.boozallen.com/
A.T. Kearney
Kearney employs more than 3,600 people in 40 countries. Most of A.T. Kearney clients are part of the Fortune Global 500, large governments and non-profit organizations. Kearney has large expertise across business areas: Analytics, Digital, Leadership, Change, and Organization, Mergers and Acquisitions, Operations and Performance, Procurement, Product, Design, and Data Platforms, Strategy and Top-Line, Transformation Services, and Global Business Policy Council.
A.T. Kearney serves many industries such as Aerospace and Defense, Automotive, Chemicals, Communications, Media, and Technology, Consumer and Retail, Energy, Financial Services, Health, Industrial Goods and Services, Infrastructure, Metals and Mining, Private Equity, Public Sector, Transportation, and Travel.
Size: Large
Prestige: High
Geographical coverage: Worldwide
Best expertise: Analytics and Transformation
Organization digital maturity: Partial
Independent from suppliers and competitors: Yes
Website: https://www.kearney.com/
Oliver Wyman
Oliver Wyman is a main player in management consulting with offices in 60 cities across 31 countries. Oliver Wyman has deep industry knowledge and sharp expertise in strategy, organization transformation, operations, and risk management.
Oliver Wyman serves industries such as Automotive, Business Services, Communications, Media, Technology, Education, Energy, Financial Services, Health, Life Sciences, Industrial Products, Public Sector and Policy, Retail and Consumer Goods, and Transportation.
Size: Large
Prestige: High
Geographical coverage: Worldwide
Best expertise: Organization
Independent from suppliers and competitors: Yes
Organization digital maturity: Partial
Website: https://www.oliverwyman.com/
L.E.K. Consulting
L.E.K. Consulting is a global management consulting firm created in 1983 with 1,600 employees worldwide. L.E.K. Consulting helps business leaders to make better decisions, deliver better business performance and generate high shareholder returns. L.E.K. Consulting has capabilities in Data and Analytics, Digital, Disruption Management, Marketing and Sales, Mergers and Acquisitions, Organization and Performance, Performance Improvement, Post-Merger Integration, Private Equity, Strategy, Transformation, and Value Activation.
L.E.K. Consulting serves industries such as Business Services, Consumer Products, Education, Energy and Environment, Financial Services, Healthcare Services, Industrials, Life Sciences, Pharma, Media and Entertainment, MedTech, Private Equity, Retail, Technology, Travel, and Transport.
Size: Large
Prestige: High
Geographical coverage: Worldwide
Best expertise: Business Performance
Independent from suppliers and competitors: Yes
Organization digital maturity: Partial
Website: https://www.lek.com/
Gartner
Founded in 1979, Gartner is a research and advisory company with more than 16,000 employees across 100 countries, generating more than $4.2 billion revenue. Gartner provide services in Audit and Risk, Communications, Customer Service and Support, Finance, Human Resources, Information Technology, Innovation and Strategy, Legal and Compliance, Marketing, Product, Sales.
Gartner serves the industries of Education, Energy, Utilities, Financial Services, Government and Public Sector, Healthcare, Manufacturing, Retail, High Tech, Telecom, and Investment Services.
Size: Large
Prestige: High
Geographical coverage: Worldwide
Best expertise: Research and Advisory
Independent from suppliers and competitors: Yes
Organization digital maturity: Partial
Website: https://www.gartner.com/
Huron Consulting Group
Huron consultants and experts have expertise in Business Operations, Care Transformation Consumer Transformation, Digital, Technology and Analytics, Organizational Transformation, Research Enterprise, Strategy and Innovation.
Huron Consulting Group mainly serves Education, Energy, Utilities, Financial Services, Healthcare, Industrials, Manufacturing, Life Sciences, and Public Sector.
Size: Large
Prestige: High
Geographical coverage: Worldwide
Best expertise: Industrial
Independent from suppliers and competitors: Yes
Organization digital maturity: Partial
Website: https://www.huronconsultinggroup.com/
Roland Berger
Roland Berger is an independent consulting company enabling corporate performance and business success. Founded in 1967, Roland Berger remains the only leading global consultancy firm with non-Anglo-Saxon roots. Roland Berger has European culture and strong footprint in Asia.
Roland Berger provides services for industries such as Aerospace & Defense, Automotive, Chemicals, Civil Economics, Construction, Consumer Goods, Retail and Agribusiness, Energy and Utilities, Financial Services, Industrial Products and Services, Infrastructure, Pharma, Healthcare, Technology, Media, Transportation, Tourism, and Logistics.
Size: Medium
Prestige: High
Geographical coverage: Europe, Asia
Best expertise: Business Transformation
Independent from suppliers and competitors: Yes
Organization digital maturity: Limited
Website: https://www.rolandberger.com/
Group 3: large audit firms (Tax & Assurance)
Ernst & Young (EY)
EY has 300,000 employees worldwide who guide governments, entrepreneurs, companies, provide data analytics, and conduct audits for financial markets and business. EY areas of excellence are Assurance, Consulting, Strategy, Transactions and Tax.
Size: Large
Prestige: Very High
Geographical coverage: Worldwide
Best expertise: Tax
Independent from suppliers and competitors: Yes
Organization digital maturity: Partial
Website: https://www.ey.com/
KPMG
KPMG operates in 147 countries, employs more than 200,000 people and serves business, governments, public-sector agencies, not-for-profits organizations. Its main expertise id audit and assurance practices in capital markets.
KPMG serves most of industries including Asset Management, Automotive, Banking and Capital Markets, Chemicals, Consumer & Retail, Energy, Financial Services, Government & Public Sector, Healthcare, Life Sciences, Industrial manufacturing, Infrastructure, Insurance, Media, Real estate, Sport, Technology, Telecoms, Transport and Logistics, Energy and Natural Resources, Oil and Gas, Power and Utilities, Renewables, Mining, and Chemicals.
Size: Large
Prestige: Very High
Geographical coverage: Worldwide
Best expertise: Audit and Assurance
Independent from suppliers and competitors: Yes
Organization digital maturity: Partial
Website: https://home.kpmg/
Grant Thornton
Grant Thornton is one of the world’s leading organizations of independent audit, tax and advisory. Grant Thornton has revenues closed to $2 billion and employs staff in more than 50 offices.
Grant Thornton provides mainly advisory, audit, tax and integrated services for industries such as Asset Management, Banking, Energy, Healthcare, Hospitality And Restaurants, Insurance, Life Sciences, Manufacturing, Media and Entertainment, Not-For-Profit Organizations, Higher Education Institutions, Private Equity, Real Estate and Construction, Retail and Consumer Products, Services, Technology and Telecommunication, Transportation, Logistics, Warehousing, and Distribution.
Size: Large
Prestige: High
Geographical coverage: Worldwide
Best expertise: Audit and Tax
Independent from suppliers and competitors: Yes
Organization digital maturity: Partial
Website: https://www.grantthornton.com/
Group 4: Large IT consulting companies
Accenture
Accenture had more than 500,000 employees in 200 global cities across 51 countries, serving thousands of clients worldwide in areas of Application Services, Artificial Intelligence, Automation, Business Process Outsourcing, Business Strategy, Change Management, Cloud, Customer Experience, Data and Analytics, Ecosystem Partners, Finance Consulting, Infrastructure, Marketing, Mergers and Acquisitions, Operating Models, Security, Supply Chain Management, Sustainability, Technology, consulting, Technology Innovation, and Zero Based Budgeting.
Accenture serves industry such as Aerospace and Defense, Automotive, Banking, Capital Markets, Chemicals, Communications and Media, Consumer Goods and Services, Energy, Health, High Tech, Industrial Equipment, Insurance, Life Sciences, Natural Resources, Public Service, Retail, Software and Platforms, Travel, US Federal Government, and Utilities.
Size: Large
Prestige: High
Geographical coverage: Worldwide
Best expertise: Technology
Independent from suppliers and competitors: Yes
Organization digital maturity: Excellent
Website: https://www.accenture.com/
IBM Global Services
IBM services provides consulting services solving business and technology challenges such as business continuity, digital experience, remote workforces, and virtual client engagement.
IBM services serves all industries worldwide.
Size: Very Large
Prestige: Very High
Geographical coverage: Worldwide
Best expertise: Information Technology
Independent from suppliers and competitors: No
Organization digital maturity: Excellent
Website: https://www.ibm.com/services
Capgemini
Capgemini is a consulting company with expertise in digital transformation, technology and engineering services. Areas of excellence are Artificial Intelligence, Applied Innovation, Business Operations, Cloud Services, Cybersecurity Services, Digital Services, Intelligent Industry, Technology Solutions, Transformation and Innovation.
Cap Gemini serves industries such as Automotive, Banking and Capital, Consumer Products, Distribution, Wholesale, Electronics, High Tech, Energy, Utilities, Government and Public Sector, Healthcare, Life sciences, Insurance, Manufacturing, Industrial Products, Media and Entertainment, and Retail.
Size: Very Large
Prestige: High
Geographical coverage: Worldwide
Best expertise: Information Technology
Independent from suppliers and competitors: Yes
Organization digital maturity: Excellent
Website: https://www.capgemini.com/
Oracle Consulting
Oracle consulting helps delivering Oracle Cloud solutions with speed, efficiency, and predictability in order to transform businesses to compete in the digital world.
Size: Large
Prestige: High
Geographical coverage: Worldwide
Best expertise: Information Technology
Independent from suppliers and competitors: No
Organization digital maturity: Excellent
Website: https://www.oracle.com/consulting/
Cisco Systems
Cisco Systems
Size: Large
Prestige: High
Geographical coverage: Worldwide
Best expertise: Information Technology
Independent from suppliers and competitors: No
Organization digital maturity: Excellent
Website: https://www.cisco.com/
SAP Advisory Services
SAP Advisory Services support business across the entire innovation lifecycle by sharing combination of business, industry, and SAP skills using a standardized approach and by using SAP tools, accelerators, and methodologies.
Size: Large
Prestige: High
Geographical coverage: Worldwide
Best expertise: Information Technology
Independent from suppliers and competitors: No
Organization digital maturity: Partial
Website: https://www.sap.com/
Cognizant
Cognizant help companies to better engage with their customers by envisioning and building better products and experiences, developing go-to-market approaches and inventing disruptive business models. Cognizant generates growth, differentiation and economic value with information technology, serving all industries.
Size: Very Large
Prestige: High
Geographical coverage: Worldwide
Best expertise: Information Technology
Independent from suppliers and competitors: No
Organization digital maturity: Partial
Organization digital maturity: Partial
Cognizant
Cognizant help companies to better engage with their customers by envisioning and building better products and experiences, developing go-to-market approaches and inventing disruptive business models. Cognizant generates growth, differentiation and economic value with information technology, serving all industries.
Size: Very Large
Prestige: High
Geographical coverage: Worldwide
Independent from suppliers and competitors: Yes
Organization digital maturity: Partial
Website: https://www.cognizant.com/
HP Enterprise
Hewlett Packard Enterprise consulting services provide advisory, services to professional, expert advice and implementation solutions to engage its customers through their digital transformation.
Size: Very Large
Prestige: High
Geographical coverage: Worldwide
Best expertise: Information Technology
Organization digital maturity: Excellent
Independent from suppliers and competitors: No
Website: https://www.hpe.com/
Infosys Consulting
Infosys is a consulting services provides for digital services. Founded in 1981, Infosys has years of experience and offices in 46 countries.
Size: Large
Prestige: High
Geographical coverage: Worldwide
Best expertise: Information Technology
Independent from suppliers and competitors: No
Organization digital maturity: Partial
Website: https://www.infosys.com/
Lockheed Martin Corp (Technology and defense)
Group 5: Leading firms in their sector of expertise
Mercer (Human Ressources)
Mercer is a Human Ressources specialized consulting company, part of Marsh & McLennan companies controlling other consulting companies such as Guy Carpenter and Oliver Wyman.
Mercer is specialized in Employee benefits, Global benefits, Health and wellbeing, US Health and benefits, Investments and retirement, Investments, Retirement and benefit plan administration, Defined benefit pension plans, Pension risk management, Defined contribution plans, Employee, financial wellness, Endowments and foundations, US Investments and retirement, Investment Solutions, Workforce and careers, Talent strategy, Executive compensation, Workforce rewards, Talent mobility, HR transformation, Employee communication, Workday services, Industry verticals, Mercer learning, Employee Experience Insights, M&A advisory services, Mergers and acquisitions, Divestitures, Restructuring and turnaround, Joint ventures and alliances, Private equity advisory services, and Project management office.
Size: Large
Prestige: High
Geographical coverage: Worldwide
Best expertise: Human Ressources Management
Organization digital maturity: Partial
Independent from suppliers and competitors: Yes
Website: https://www.mercer.com/
Gallup Consulting (Human Resources)
Gallup Consulting has 9,000 employees with expertise in Culture transformation, Employee experience, Organizational Effectiveness, Leadership, and Customer Centricity and provides advice and solutions for public sector and companies such as education and workspace arrangement.
Size: Large
Prestige: High
Geographical coverage: Worldwide
Best expertise: Human Resources
Independent from suppliers and competitors: Yes
Organization digital maturity: Limited
Website: https://www.gallup.com/
GE Healthcare Partners (Healthcare)
GE Healthcare provides consulting solutions for the Health industry such as Integrated Delivery Systems, Clinical Operations, Imaging, Transformation, Human Capital, and Financial Performance.
Size: Medium
Prestige: High
Geographical coverage: Worldwide
Best expertise: Healthcare
Independent from suppliers and competitors: No
Organization digital maturity: Limited
Website: https://www.ge.com/
Yield Tactics (Travel Industry)
Yield Tactics provides consulting, advisory, training and coaching services worldwide serving the travel industries in the areas of revenue management, yield management, sales, distribution, pricing, digital transformation, data analytics, and IT projects.
Yield Tactics serves industries such as airlines, railway companies, cruise lines, ferries companies, bus companies, car rental and car parks, hospitality, tour operators, tourism attractions, mice activities, ski resorts, travel corporate purchasers, and travel tech companies.
Yield Tactics serves industries such as airlines, railway companies, cruise lines, ferries companies, bus companies, car rental and car parks, hospitality, tour operators, tourism attractions, mice activities, ski resorts, travel corporate purchasers, and travel tech companies.
Size: Medium
Prestige: High
Geographical coverage: Worldwide
Best expertise: Travel Industry
Independent from suppliers and competitors: Yes
Organization digital maturity: Excellent
Website: https://www.yieldtactics.com/
AECOM (Environment)
AECOM is a world’s leader infrastructure consulting firm, helping its clients to solve complex environmental challenges and build sustainable solutions.
Size: Medium
Prestige: High
Geographical coverage: North America
Best expertise: Environment
Independent from suppliers and competitors: Yes
Organization digital maturity: Partial
Website: https://aecom.com/
Jacobs (Environment)
Jacobs is a consulting firm providing environmental solutions to companies from all industries.
Expertise includes Artificial Intelligence, Water, Infrastructure, Renewal, Mobility, and Markets.
Size: Medium
Prestige: High
Geographical coverage: North America
Best expertise: Environment
Independent from suppliers and competitors: Yes
Organization digital maturity: Limited
Organization digital maturity: Limited
Website: #https://smartcityconsultants.com/|https://smartcityconsultants.com/#
Website: https://www.jacobs.com/
Smart City consultants (Digital City)
Smart City consultants is a management consulting firm specialized in transforming cities into the smart city model by providing technology advice in order cities select relevant technology solutions.
Size: Small
Prestige: High
Geographical coverage: Worldwide
Best expertise: Digital City
Independent from suppliers and competitors: Yes
Organization digital maturity: Limited
Website: #https://smartcityconsultants.com/|https://smartcityconsultants.com/#
Lockheed Martin Corp (Technology and defense)
Lockheed Martin provides consulting services in the areas of IT, space, aeronautics and defense.
Size: Medium
Prestige: High
Geographical coverage: North America
Best expertise: Technology
Independent from suppliers and competitors: No
Organization digital maturity: Limited
Website: https://www.lockheedmartin.com/
Northrop Grumman Corporation (Airspace and defense)
Northrop Grumman Corporation provides consultancy services to Airspace and defense companies.
Size: Medium
Prestige: High
Geographical coverage: Worldwide
Best expertise: Defense
Independent from suppliers and competitors: No
Organization digital maturity: Limited
Website: https://www.northropgrumman.com/
LH Consulting (Aviation)
Lufthansa Consulting for the aviation industry with innovative and collaborative approach towards solving problems and realizing business potentials in the aviation industry
Size: Medium
Prestige: Very High
Geographical coverage: Worldwide
Best expertise: Technology
Independent from suppliers and competitors: No
Organization digital maturity: Partial
Website: https://www.lockheedmartin.com/
Airline Tactics (Aviation)
Airline Tactics provides consulting, advisory, training and coaching services worldwide serving the airline industry in the areas of revenue management, yield management, sales, distribution, pricing, digital transformation, data analytics, and IT projects.
Size: Small
Prestige: High
Geographical coverage: Worldwide
Best expertise: Commercial Airlines
Independent from suppliers and competitors: Yes
Organization digital maturity: Excellent
Website: https://www.airlinetactics.com/
Porsche Consulting (Automotive)
Porsche consulting provides consulting services for industries such as Automotive, Aviation, Aerospace, Industrial Goods, Construction, Consumer Goods, and Retail.
Size: Medium
Prestige: High
Geographical coverage: Worldwide
Best expertise: Industry
Independent from suppliers and competitors: No
Organization digital maturity: Excellent
Website: https://www.porsche-consulting.com/
BDC (Retail)
B.D.C. is a consulting firm which advises large companies and startups in the retail and e-commerce area. B.D.C. covers many subjects, such as digital acceleration, business development or international strategy.
Size: Small
Prestige: High
Geographical coverage: Europe & US
Best expertise: Retail
Independent from suppliers and competitors: Yes
Organization digital maturity: Limited
Website: https://www.bdc-retail.com/
Media Consulting Group (Media)
Media Consulting Group is a strategy boutique firm engaging with clients of all industries and the public sector. Main expertise is strategic thinking delivery and steering transformation in the media sector.
Size: Small
Prestige: High
Geographical coverage: Europe
Best expertise: Media
Independent from suppliers and competitors: Yes
Organization digital maturity: Limited
Website: http://mediacg.tv/
The Bridgespan Group (Non Profit Organizations)
The Bridgespan Group is a global nonprofit that strives to make the world more equitable and just. Since 2000, The Bridgespan Group has advised and collaborated with change leaders including philanthropists, nonprofit and NGO leaders, and impact investors.
The Bridgespan Group areas of expertise are Child Welfare, Early Childhood, Education, Executive Team Development, Measurement and Evaluation, Place-Based Change, and Public Health.
Size: Medium
Prestige: High
Geographical coverage: Worldwide
Best expertise: NGO
Organization digital maturity: Limited
Independent from suppliers and competitors: Yes
Website: https://www.bridgespan.org/
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