Accounting, also known as accountancy, is the process of recording and processing information about economic entities, such as businesses and corporations. Accounting measures the results of an organization's economic activities and conveys this information to a variety of stakeholders, including investors, creditors, management, and regulators. Practitioners of accounting are known as accountants. The terms "accounting" and "financial reporting" are often used interchangeably.
The Big Four are the four largest professional services networks in the world: Deloitte, 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.
Certified Public Accountant (CPA) is the title of qualified accountants in numerous countries in the English-speaking world. It is generally equivalent to the title of chartered accountant in other English-speaking countries. In the United States, the CPA is a license to provide accounting services to the public. It is awarded by each of the 50 states for practice in that state. Additionally, all states except Hawaii have passed mobility laws to allow CPAs from other states to practice in their state. State licensing requirements vary, but the minimum standard requirements include passing the Uniform Certified Public Accountant Examination, 150 semester units of college education, and one year of accounting-related experience.
Allen & Overy LLP was a British multinational law firm headquartered in London, England. The firm has 590 partners and over 5,800 employees worldwide. In 2023 A&O reported an increase in revenue to GBP2.1 billion and is the second largest law firm headquartered in the UK by revenue.
RSM US LLP is an audit, tax, and consulting firm focused on the middle market in the United States and Canada and is a member of the global accounting network RSM International. RSM US has been ranked as the 7th most prestigious accounting firm in the US as voted on by accounting professionals. It employs more than 16,800 professionals across 81 cities nationwide and in Canada. RSM US also maintains offices in India and El Salvador.
RSM International, branded RSM since 2015, is a multinational network of accounting firms forming the sixth-largest accountancy professional services network in the world by revenue. RSM's member firms are independent accounting and advisory businesses, each of which practices in its own right and is unified as part of the network.
Smith & Williamson was a United Kingdom financial and professional services firm. It was acquired by wealth manager, Tilney, in 2019 and the enlarged firm was rebranded as Evelyn Partners in 2022.
RSM Tenon was a professional services firm based in the United Kingdom, which was listed on the FTSE SmallCap Index and part of RSM Global. The company was formed from the merger of the Tenon Group with RSM Bentley Jennison in December 2009.
Forvis 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, 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. Mazars merged with Forvis to officially become Forvis Mazars as of June 1, 2024.
Grant Thornton is a multinational professional services company based in London, England. It 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, and has no share capital.
Dentons is a multinational law firm based in the United States.
The Big Six is a term that has traditionally referred to the six largest Australian law firms, as assessed by revenue and lawyer head count. From the mid-1980s, the phrase was in regular use to distinguish the largest Australian firms, collectively, from their smaller competitors. While informal, it was a widely-used descriptor, appearing in news items, industry commentary and scholarly articles.
Forvis Mazars, LLP ranks among the U.S. top 10 public accounting firms, providing assurance, tax, and consulting services. In June 2024, Forvis Mazars Global network was formed between FORVIS and Mazars.
HLB International is a global network of independent advisory and accounting firms, comprising member firms in 157 countries. HLB International member firms offer audit, accounting, tax and business advisory services.
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.
Baker Tilly International is a consulting and public accounting firm. It is currently the 10th largest accounting network in the world by revenue with 43,000 people in 700 offices across 141 territories with combined global revenues of US$5.2 billion. Baker Tilly operates geographically through four regions: Asia Pacific; Europe, Middle East and Africa; Latin America; and North America. Each region has a chair, appointed by the International Board, who leads an advisory council elected by members in that region.
Saffery is a firm of chartered accountants in the United Kingdom. It has nine offices across the UK as well as offshore. The firm acts for clients across a variety of sectors and provides accountancy, audit and assurance, personal and corporate tax, and corporate finance services.
Morison Global is a global association of professional service firms. The association has over 150 member firms in more than 80 countries. Morison Global's status as an association is in accordance with the International Federation of Accountants (IFAC) audit code and the EU Statutory Audit Directive 2006/43/(EC). Morison Global is ranked by the International Accounting Bulletin as the 10th largest accounting association in the world. In January 2021, the combined revenue of all member firms was USD978m.
BDO is an international network of public accounting, tax, consulting and business advisory firms that provide professional services under the name BDO. It is the fifth-largest accounting network in the world. Global fee income of the member firms in the network for the year ended 30 September 2023, including the members of their exclusive alliances, totaled US$ 14 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).
Edelman Financial Engines is an American financial planning and investment advisory company. As of December 31, 2023, it has more than $270 billion in assets and more than 1.3 million clients. The company was formed by the 2018 merger of Financial Engines and Edelman Financial Services.
US$1.6663 billion (2023) [1] 