top 10 consulting firms in europe and usa.Top 10 consulting companies in Europe and the United States (comprehensive revenue, popularity, etc. screening).
1.McKinsey & Company: McKinsey & Company, headquartered in New York City, United States, is a global management consulting firm established in 1926 known for its advisory services to businesses, governments, and institutions, mckinsey & company serves clients worldwide.McKinsey & Company is headquartered inNew York City, USAFounded in 1926is a global management consulting firm. toConsulting services for corporations, ** and institutionsMcKinsey & Company is known for serving clients worldwide. 
2.Boston Consulting Group (BCG): Boston Consulting Group (BCG) is one of the world's leading management consulting firms, established in 1963 and headquartered in boston, massachusetts, united states. bcg provides advisory services to private and public sector clients globally.Boston Consulting GroupFounded in 1963, headquarteredBoston, Massachusetts, USAis one of the world's leading management consulting firms. The Boston Consulting Group advises private and public sector clients worldwide. 
3.Bain & Company: Bain & Company, founded in 1973 and headquartered in Boston, Massachusetts, United States, is a global management consultancy firm specializing in strategy, operations, and organizational transformation. bain & company serves clients across various industries worldwide.Bain & CompanyFounded in 1973, headquarteredBoston, Massachusetts, USAis a global management consulting firm focused on strategic, operational, and organizational transformation. Bain & Company serves clients in a wide range of industries around the world. 
4.Deloitte Consulting: Founded in 2002,Deloitte Consulting is the consulting arm of Deloitte Touche Tohmatsu Limited, headquartered in New York City, United States deloitte consulting provides consulting services in various fields such as strategy, technology, and human capital to clients worldwide.Deloitte ConsultingFounded in 2002,It is the consulting arm of Deloitte Thomas & Deloitte, headquarteredNew York City, USA。Deloitte Consulting advises clients around the world in the areas of strategy, technology, and human capital. 
5.Accenture: founded in 1989,Accenture is a multinational professional services company headquartered in Dublin, Ireland, providing services in strategy, consulting, digital, technology, and operations globally.AccentureFounded in 1989is a company headquartered inDublin, Irelandof multinational professional services firms, providing strategy, consulting, digital, technology and operational services to clients worldwide. 
6.IBM Global Business Services: Founded in 2002 after Acquiring PriceWaterhouseCoopers (PWC) Consulting, IBM Global Business Services (GBS) is headquartered in New York City, united states and offers consulting services in areas such as technology, digital transformation, and enterprise solutions, serving clients worldwide with expertise in various industries.IBM Global Business ServicesIt was established in 2002 following the acquisition of PricewaterhouseCoopers Consulting, headquarteredNew York, USAProviding consulting services in the areas of technology, digital transformation and enterprise solutions, it serves global customers with its expertise in various industries. 
7.Ernst & Young (ey) Consulting:Founded in 1989, Ernst & Young (ey) Consulting is the advisory division of Ernst & Young Global Limited, headquartered in London, United Kingdom ey consulting offers services in strategy, digital, technology, and transformation worldwide.Ernst & Young ConsultingFounded in 1989It is the consulting arm of Ernst & Young Global, headquartered in:London, United Kingdom。EY Consulting provides strategy, digital, technology and transformation services around the world. 
8.KPMG Consulting: Founded in 1997, KPMG Consulting is the consulting arm of KPMG International, headquartered in Amsterdam, Netherlands kpmg consulting provides advisory services in management, risk, and technology globally.it changed its name to bearingpoint inc. in 2002 to emphasize its independence.KPMG ConsultingFounded in 1997, is the consulting arm of KPMG International, headquartered in:Amsterdam, Netherlands。KPMG Advisory provides management, risk and technology services to clients around the world. In 2002, the company changed its name to BearingPoint Consultingto emphasize its independence. 
9.Oliver Wyman: Founded in 1984, Oliver Wyman is a global management consulting firm headquartered in New York City, United States, specializing in strategy, operations, risk management, and organizational transformation.Oliver WymanFounded in 1984is a company headquartered inNew York City, USAA global management consulting firm focused on strategy, operations, risk management and organizational transformation. 
10.Roland Berger: Founded in 1967, Roland Berger is a global strategy consulting firm headquartered in Munich, Germany, providing services in areas such as strategy, marketing, and restructuring.Roland Berger ConsultingFounded in 1967,is a company headquartered inMunich, GermanyA global strategy consulting firm that provides services in the areas of strategy, marketing and restructuring.