L.E.K. Consulting operates as a management consulting firm that provides services including business strategy development, organizational effectiveness, and financial optimization. The firm serves sectors such as private equity, healthcare, consumer products, and technology. It was founded in 1983 and is based in Boston, Massachusetts.

Alvarez & Marsal operates as a professional services firm that addresses business challenges and enhances stakeholder value across various sectors. The company provides advisory services and turnaround management to assist organizations in achieving change. Alvarez & Marsal serves clients in need of restructuring and operational improvements. It was founded in 1983 and is based in New York, New York.

IBM Consulting provides business consulting services, integrating technologies such as AI and cloud solutions into operations. The company offers services including digital transformation, customer experience enhancement, operations optimization, and financial services consulting. IBM Consulting serves sectors including financial services, healthcare, and various enterprise-level businesses. It is based in United States.

McKinsey & Company operates as a management consulting firm. It works with private, public, and social sectors. The company offers advisory services, organizational transformation, and operational improvement to assist clients with challenges. McKinsey & Company collaborates with businesses, governments, and institutions to enhance capabilities and leadership skills. It was founded in 1926 and is based in New York, New York.

AlixPartners operates as a consulting firm that focuses on management consulting, offering services in various business sectors. The company works on performance improvement, organizational transformation, restructuring, and risk mitigation, delivering experience to clients. AlixPartners serves sectors that need decision-making and solutions to challenges. AlixPartners was formerly known as Jay Alix & Associates. It was founded in 1981 and is based in New York, New York.

Navigant Consulting assists clients in managing business value across various sectors. The company provides consulting, technology solutions, and support in disputes and forensics. Navigant serves clients in the financial services, energy, and healthcare sectors, addressing changes and navigating regulatory and legal challenges. Navigant Consulting was formerly known as The Metzler Group. It was founded in 1983 and is based in Chicago, Illinois. In August 2019, Navigant Consulting was acquired by Guidehouse.