Deloitte Consulting LLP is the biggest management consulting firm in the world and one of the four largest accounting firms, with one of the most extensive professional networks globally. The Big Three or MBB is the name given to the three major strategic consulting firms. They are considered to be the most prestigious companies in the management consulting industry. In terms of employees, McKinsey & Company is the largest and leads by revenue, followed by Boston Consulting Group and Bain & Company.
The consulting firm opened its first international office in London in 1959, and since then it has grown steadily. Serving a wide range of global brands and leading law firms from offices in Boston, San Francisco, New York and Seattle, Keystone Strategy provides strategic and economic consulting driven by entrepreneurship, as well as its commitment to collaboration with clients and colleagues. Keystone's extensive experience in strategy, economics, data analysis, product development, intellectual property and antitrust makes it stand out in the consulting industry. A non-profit organization established in 1999 and based in Boston, Massachusetts, that offers management consulting to non-profit organizations and philanthropists.
The firm was a pioneer in private equity consulting and the Bain Capital fund was founded by partners of Bain & Company and led by Mitt Romney. Founded in 1932 as Duff & Phelps, the firm has since incorporated more than 30 complementary companies to its strong portfolio. The company's main capability to deliver technological solutions is how it empowers people and processes through the power of technology. The firm provides tailored solutions to a wide range of public and private organizations across a variety of industries, government agencies, financial institutions, and civic and religious organizations.
The company's origins date back to the first decade of the 20th century, after one of its founders studied railway risks and insurance needs while spending 30 days traveling the railroads. Forensic and litigation consulting covers forensic investigation and accounting data analysis services, as well as construction solution services. Willis Towers Watson (now called WTW) is the third largest insurance broker in the world, operates in more than 140 countries and has a workforce of more than 45,000 employees. That's why the world-renowned multinational firm offers its clients risk advisory services and data-based insurance solutions.
Technology and management consulting firm Kenway specializes in delivering technological solutions, leading business programs and information knowledge. Founded in 1983, Alvarez & Marsal (A&M) is a global professional services firm that stands out for its work in managing change and improving the performance of several large, high-profile companies in the United States. In addition to financial success, the firm frequently receives top accolades from companies such as Fortune, The Financial Times and Vault.