Deloitte, headquartered in London, England, is one of the Big Four accounting firms and the world's biggest professional services network in terms of revenue and number of professionals.

With over 334,800 experts worldwide, Deloitte provides:

• Audit
• Consulting
• Financial advisory
• Risk advisory,
• Tax and legal services

In the fiscal year 2021, the network generated a total of $50.2 billion in revenue. With annual revenue of around $13,067 million, Deloitte now occupies the number one position.

It provides significant formal training as well as mentorship, on-the-job training, and perks. DE&I is a major priority of Deloitte. The company is dedicated to teaching its employees about DE&I concerns and is a member of OneTen, an organization dedicated to upskilling, recruiting, and progressing one million Black Americans over the next ten years.

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Net revenue: $23.16B
Website: https://www2.deloitte.com/us/en.html
Facebook: https://www.facebook.com/deloitte/

PwC is the second-largest audit company in terms of revenue, with $43.03 billion US dollars reported in 2020. PwC focuses primarily on improving assurance, consulting, and tax services. It operates in and leads to a significant portion of the worldwide advising market. It employs almost 276,000 working experts in 158 nations worldwide; nonetheless, this company works locally in a variety of locations.

These independent recognized and regulated enterprises, like other worldwide corporations, provide significant values and standards. Asset Management, Banking & Capital Markets, Financial Offerings, Health Industries, Industrial Products, Insurance, Power & Utilities, Private Equity, Public Sector, Retail & Consumer, and Technology are among PwC's prospective services.

PricewaterhouseCoopers International Limited, headquartered in London, England, serves as the worldwide network's coordinating entity. It oversees the worldwide brand and creates policies and programs to promote a unified and coordinated approach to risk, quality, and strategy. It does not offer any services to customers.

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Net revenue: $18B
Website: https://www.pwc.com/
Facebook: https://www.facebook.com/PwC

EY is one of the world's leading professional services networks. It is one of the "big four" accounting companies, along with Deloitte and PricewaterhouseCoopers. Its clients are generally served by assurance (including financial audit), tax, consulting, and advice services.

In recent years, EY, like many of the bigger accounting firms, has expanded into sectors other than accounting, such as strategy, operations, human resources, technology, and financial services consulting.

EY was the seventh-largest privately held company in the United States in 2019. For the past 21 years, EY has been listed on Fortune magazine's list of the 100 Best Companies to Work For, longer than any other accounting company.

Ernst & Young is a global provider of audit, tax, business risk, technology and security risk, and human capital services. The firm, which is one of the Big Four accounting companies, was founded in the early twentieth century. In 1906 and 1903, Scotsman Arthur Young and American Alwin Ernst established their respective enterprises. In 1989, the firms combined. The corporation now employs over 200,000 people and operates in more than 150 countries.

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Net revenue: $13.56B
Website: https://www.ey.com/
Facebook: https://www.facebook.com/EY/

KPMG is reported yearly sales of more than $5,750 million. They presently employ over 24,000 individuals throughout 90 offices in the United States, with headquarters in New York City.

The company is now run by Chief Executive Officer John Veihmeyer. This year, the corporation was preoccupied with fighting over associate overtime payments, and as a result, KPMG ended up acquiring Thomson Reuters. They have formed a strategic collaboration with BlackLine Systems, a provider of financial closing solutions.

KPMG is a network of businesses in 147 countries with over 227,000 workers and three lines of service: financial audit, tax, and advising. It is headquartered in Amstelveen, Netherlands, but is incorporated in the United Kingdom.

On a recurrent and event-driven basis, KPMG companies service many of the world's biggest multinational enterprises as well as financial investors. It further divides its tax and advising services into numerous service categories. Various segments of the firm's global network of affiliates have been embroiled in regulatory proceedings as well as litigation during the last decade.

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Net revenue: $9.57B
Website: https://home.kpmg/xx/en/home.html
Facebook: https://www.facebook.com/KPMG

RSM US LLP is a part of the worldwide accounting network RSM International and an audit, tax, and consulting business focused on the middle market in the United States. It is the fifth-largest accounting business in the United States, with over 12,000 employees spread throughout 86 cities in the United States and Canada.

RSM International brings together more than 43,000 experts from 800 locations in more than 120 countries.

The network is not a distinct legal entity of any kind in any country, and it does not offer any services. RSM US, formerly known as McGladrey, and RSM UK, formerly Baker Tilly LLP, are the two largest member firms. In 2016, the North American, European, and Asia Pacific areas generated $4.87 billion in revenue.

RSM provides the following services:

• Audit and Financial reporting
• Tax advice
• Advisory

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Net revenue: $2.88B
Website: https://www.rsm.global/
Facebook: https://www.facebook.com/GlobalRSM/

BDO USA is one of the largest audit firms with annual sales of $618 million. The company employs 2,771 individuals across 42 offices in the United States. Their headquarters are in Chicago, Illinois. Wayne Berson, the company's CEO, is in charge.

Salibello & Broder in New York and Salibello & Broder in Los Angeles amalgamated, which increased the BDO USA yearly income. Salibello & Broder was forced to combine due to tax concerns.

BDO is a worldwide network of public accounting, tax, consulting, and business advisory companies that operate under the BDO brand and provide professional services. BDO has member companies in 167 countries, employs around 91,000 partners and staff in over 1,658 locations worldwide, and is the world's fifth-biggest accounting network.

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Net revenue: $2.00B
Website: https://www.bdo.global/en-gb/home

Grant Thornton, with annual sales of more than $1,245 million, would be on this list. The company employs over 6,000 experts across 54 offices.

They are presently based in Chicago, Illinois. Stephen Chipman, the company's current CEO, is in charge. Grant Thornton LLP seems to have had significant growth in organics and M&A this year. They also just launched their worldwide brand initiative. They were also one of six entities appointed to monitor banks in a national mortgage settlement.

Grant Thornton LLP provides three service lines: audit, tax, and advice. Sarbanes-Oxley compliance, mergers and acquisitions guidance, tax, and company appraisals are examples of specific advisory services and areas of competence.

Construction, distribution, energy, financial services, food and beverage, healthcare, hospitality and restaurants, life sciences, manufacturing, not-for-profit organizations, private equity, public sector, real estate, retail, technology, and transportation are among the industries targeted.

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Net revenue: $1.92B
Website: https://www.grantthornton.global/en/

In the United States, CliftonLarsonAllen now employs 3,223 individuals across 90 offices. The company has yearly sales of $568 million.

The company is located in Milwaukee, Wisconsin, and is directed by CEO Krista McMasters. This business was first featured on the list in 2012. They concentrated on "capitalizing on merger synergies and merger integration," which helped them expand and acquire larger sales.

CLA provides a comprehensive range of services to customers, including assurance, tax, risk management, advising, valuation, transaction assistance, and consultancy. Agribusiness, cooperatives, dealerships, employee benefit plans, government agencies, health care, higher education, manufacturing and distribution, nonprofit, and trucking and transportation are among its industrial divisions. Jen Leary, the company's CEO, is in charge.

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Net revenue: $1.19B
Website: https://www.claconnect.com/
Facebook: https://www.facebook.com/CliftonLarsonAllen

Baker Tilly International is a network of 126 accounting and business consulting firms in 147 countries. The company counts member enterprises that operate in more than one country as one member.

In terms of revenue, Baker Tilly is one of the largest audit companies in the United States of America. In the most recent fiscal year, their revenue was $3.4 billion. Baker Tilly also has 30,490 employees worldwide.

Baker Tilly Russaudit was founded in 1992 and has expanded to 200 workers by the end of 2015. At the time, a former Grant Thornton Russian member chose to join with Baker Tilly International, giving the firm 18 partners and approximately 500 employees in Russia under the name Baker Tilly.

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Net revenue: $1.00B

Website: https://www.bakertilly.global/en/home/

Facebook: https://www.facebook.com/BakerTillyInternational/

Crowe Horwath made $595 million in revenue in their annual report. They presently employ 2,603 employees in the United States, who operate out of 28 offices.

The company is located in Oak Brook Terrace, Illinois, and is directed by Chief Executive Officer Charles Allen. ExtOrg, located in Chicago, has announced the addition of the Dynamics automotive consultancy team to the business.

Construction, education, finance, food and agriculture, health care, manufacturing and distribution, not-for-profit, private equity, and state and local government are among the industries served by the firm's audit, advisory, performance, risk consulting, and tax services. Crowe LLP is one of the top ten accounting companies in the United States in terms of yearly revenue.

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Net revenue: $918.50M
Website: https://www.crowe.com/global
Facebook: https://www.facebook.com/CroweGlobal