Arthur Andersen was an American accounting firm based in Chicago that provided auditing, tax advising, consulting and other professional services to large corporations. By 2001, it had become one of the world's largest multinational corporations and was one of the "Big Five" accounting firms. The firm collapsed by mid-2002, as details of its questionable accounting practices for energy company Enron and telecommunications company WorldCom were revealed amid the two high-profile bankruptcies. The scandals were a factor in the enactment of the Sarbanes–Oxley Act of 2002.
The Big Four are the four largest professional services networks in the world: Deloitte, Ernst & Young (EY), KPMG, and PwC. They are the four largest global accounting networks as measured by revenue. The four are often grouped because they are comparable in size relative to the rest of the market, both in terms of revenue and workforce; they are considered equal in their ability to provide a wide scope of professional services to their clients; and, among those looking to start a career in professional services, particularly accounting, they are considered equally attractive networks to work in, because of the frequency with which these firms engage with Fortune 500 companies.
Ernst & Young Global Limited, trade name EY, is a British multinational professional services partnership headquartered in London, England. EY is one of the largest professional services networks in the world. Along with Deloitte, KPMG and PwC, it is considered one of the Big Four accounting firms. It primarily provides assurance, tax, consulting and advisory services to its clients.
KPMG International Limited is a multinational professional services network, and one of the Big Four accounting organizations, along with Ernst & Young (EY), Deloitte, and PwC. The name "KPMG" stands for "Klynveld Peat Marwick Goerdeler". The initialism was chosen when KMG merged with Peat Marwick in 1987.
PricewaterhouseCoopers International Limited is a British multinational professional services brand of firms, operating as partnerships under the PwC brand. It is the second-largest professional services network in the world and is considered one of the Big Four accounting firms, along with Deloitte, EY and KPMG.
Deloitte Touche Tohmatsu Limited, commonly referred to as Deloitte, is a British multinational professional services network headquartered in London, England. Deloitte is the largest professional services network by revenue and number of professionals in the world and is considered one of the Big Four accounting firms along with EY, KPMG and PwC.
Grant Thornton LLP is the American member firm of Grant Thornton International, the seventh largest accounting network in the world by combined fee income. Grant Thornton LLP is the sixth largest U.S. accounting and advisory organization. The firm operates 59 offices across the US with approximately 8,500 employees, 550 partners, and produces annual revenue in excess of US$1.9 billion.
The School of Accounting and Finance (SAF) at University of Waterloo is a professional school within the Faculty of Arts. The School was established in 1980 under the name 'School of Accountancy'. Its name was changed in 2008 to better reflect its program offering. Today, more than 1,600 students are enrolled in the School's programs. In September 2009, a new 52,000 square feet (5,000 m2) building was officially opened to house the School.
Oliver Wyman is an American management consulting firm. Founded in New York City in 1984 by former Booz Allen Hamilton partners Alex Oliver and Bill Wyman, the firm has more than 60 offices in Europe, North America, the Middle East, and Asia-Pacific employing over 5,000 professionals. The firm is part of the Oliver Wyman Group, a business unit of Marsh McLennan.
Mazars is an internationally integrated partnership, specialising in audit, accounting and consulting group employing more than 47,000 professionals in more than 95 countries through member firms. With head offices in Paris, capital of France, Mazars has a network of correspondent partners and joint ventures in a further 21 countries and is a founding member of the Praxity alliance, a network of independent firms.
Gary M. Reiner is an American businessman and Operating Partner at General Atlantic. Reiner has been with the global growth equity firm since 2010, where he provides strategic counsel and serves on the board of several portfolio companies. Prior to General Atlantic, Reiner served as Senior Vice President and Chief Information Officer at General Electric.
Grant Thornton is the world's seventh-largest by revenue and sixth-largest by number of employees professional services network of independent accounting and consulting member firms which provide assurance, tax and advisory services to privately held businesses, public interest entities, and public sector entities. Grant Thornton International Ltd. is a not-for-profit, non-practising, international umbrella membership entity organised as a private company limited by guarantee. Grant Thornton International Ltd. is incorporated in London, England, and has no share capital.
Houlihan Lokey, Inc., is an American multinational independent investment bank and financial services company. Houlihan Lokey was founded in 1972 and is headquartered at Constellation Place in Century City, Los Angeles, California. The firm advises large public and closely held companies as well as institutions and governments. Its main service lines include mergers and acquisitions, capital markets, restructuring and distressed M&A, fairness opinions, and financial and valuation advisory. As of May 2023, Houlihan Lokey employs more than 2,600 employees worldwide.
FORVIS ranks among the U.S. top 10 public accounting firms, providing assurance, tax, and consulting services.
Moore Kingston Smith is an accountancy firm located in the United Kingdom. The firm has six offices in London and south-east and is the London member of the Moore Global Network. In 2022 the Moore UK network ranked 10th in the list of Accountancy Age magazine's "UK Top 50 Accountancy firms". The firm has over 75 partners and more than 700 people based in and around London and is the biggest UK member of the Moore Global Network. The firm was founded in 1923. The Moore Global Network is made up of over 30,000 people across more than 100 countries and is ranked by the International Accounting Bulletin (IAB) as the 11th largest accountancy network in the world.
BTS Group AB (BTS) is a global strategy implementation consulting firm founded in 1986. The company provides strategy alignment and execution consulting services and designs customized business simulations, digital technology, and assessments to develop business acumen, leadership, and sales capabilities.
An accounting network or accounting association is a professional services network whose principal purpose is to provide members resources to assist the clients around the world and hence reduce the uncertainty by bringing together a greater number of resources to work on a problem. The networks and associations operate independently of the independent members. The largest accounting networks are known as the Big Four.
Shunee Yee Ms. Shunee Yee is the President and CEO of CSOFT International and CSOFT Health Sciences. Responsible for its organic growth from a start-up in a two-bedroom apartment, to becoming an industry leader, Yee oversees CSOFT’s operations across 3 continents.
Saffery is a firm of chartered accountants in the United Kingdom. It has nine offices across the UK as well as offshore. The firm acts for clients across specialty sectors including private wealth, landed estates and rural businesses, not-for-profit, entrepreneurs, sports and entertainment.
BDO is an international network of public accounting, tax, consulting and business advisory firms that provide professional services under the name BDO. It is the fifth-largest accounting network in the world. Global fee income of the member firms in the network for the year ended 30 September 2021, including the members of their exclusive alliances, totaled US$12.8 billion. Each BDO member firm is an independent legal entity in its own country. The network, founded in 1963 as Binder Seidman International Group by firms from Canada, Germany, the Netherlands, the UK and the US, is coordinated by BDO Global Coordination B.V., with an office in Zaventem, Belgium. In 1973, the organisation adopted the name BDO, made up from the initials of the three founding firms: Binder (UK), Dijker (Netherlands) and Otte (Germany).
