H&R Block is the largest tax preparation firm in the world. The firm is a tax preparation firm based in the United States with offices in Canada, Australia, and India. H&R Block, which was founded in 1955, now has 12,000 sites across the world staffed by expert tax accountants.

Consumer tax software, online tax preparation, and electronic tax filing are among H&R Block's core services. The business also provides payroll and business consulting services. The company made USD 3.01 billion in sales last year, making it one of the world's largest tax consultancy organizations. Tax services accounted for USD 2.9 billion of the company's income last year, making it the world's largest tax preparation company by revenue produced from tax services.

H&R Block Tax Products and Services

• Tax Preparation
• Business Services

Founded: 1955
Headquarters: Kansas City, Missouri, USA
Number of Employees: 90,700
Website: https://www.hrblock.com

PricewaterhouseCoopers, commonly abbreviated as PwC, is a multinational professional services network of organizations headquartered in London, United Kingdom, and ranks second on our list of the top 10 tax preparation companies. PwC is one of the four major accounting firms, along with KPMG, Deloitte, and EY, and is more than just a tax preparation firm.

PwC has 742 offices in 157 countries across the world with skilled tax accountants. PwC made USD 42.4 billion in revenue last year, making it one of the world's largest auditing firms. The corporation made USD 2.41 billion in gross revenue from taxes last year.

PwC Tax Products and Services

• Assurance
• Advisory
• Tax Advisory
• Tax Controversy
• Strategy Consulting
• Data & Analytics
• Management Consulting
• Financial Advisory
• Actuarial
• Legal

Founded: 1998
Headquarters: London, UK
Number of Employees: 276,00

Website: https://www.pwc.com

Deloitte comes in third place on this ranking of the top 10 tax preparation firms in the globe.

Deloitte is a multinational professional services network and one of the top tax businesses in the world, with taxes accounting for 21% of its overall revenue last year. The company's tax revenue increased by 2.01 percent last year. Deloitte generated USD 46.2 billion in sales last year, making it one of the world's leading auditing and tax businesses in terms of income.

Deloitte Tax Products and Services

• Audit
• Management consulting
• Financial advisory
• Risk advisory
• Tax
• Legal

Founded: 1845
Headquarters: London, UK
Number of Employees: 312,000

Website: https://www2.deloitte.com

Ernst & Young, a worldwide professional services organization headquartered in London, England, United Kingdom, ranks fourth on our list of the top 10 tax preparation companies.

Ernst & Young (abbreviated as EY) is one of the world's top four accounting firms, as well as a go-to source for tax preparation services. Last year, the company generated USD 36.4 billion in total revenue and earned USD 2.27 billion in gross revenue from tax revenue sources. EY was the seventh largest privately held company in the United States in 2019. EY is frequently ranked as one of the finest tax firms to work for by Fortune Magazine.

EY Tax Products and Services

• Assurance
• Tax Advisory
• Digital Strategy
• Consulting
• Financial Advisory
• Legal

Founded: 1898
Headquarters: London, UK
Number of Employees: 270,000

Website: https://www.ey.com

Another of the big four accounting firms, KPMG, ranks fifth on our list of the world's largest tax businesses.

KPMG is a global professional services network with over 219,000 workers and three service lines: financial audit, tax, and advice. In 2019, the company generated USD 1.27 billion in gross revenue from its tax services, bringing in annual sales of USD 29.75 billion.

KPMG Tax Products and Services

• Actuarial
• Assurance
• Financial
• Legal
• Tax advice
• Consulting

Founded: 1987
Headquarters: Amstelveen, Netherlands
Number of Employees: 219,281
Website: https://home.kpmg

RSM US is a member of the global accounting network RSM International and specializes in audit, tax, and consulting for the middle market in the United States.

RSM US is ranked 6th on this list of the world's largest tax consulting businesses, with a revenue of USD 475.51 million. Last year, the company's global business took in USD 5.74 billion in total sales.

RSM US Tax Products and Services

• Assurance
• Tax Advisory
• Consulting
• Financial Advisory

Founded: 1964
Headquarters: London, United Kingdom
Number of Employees: 43,00

Website: https://rsmus.com

The company, which was previously known as Liberty Tax Service and still operates certain of its tax services under that name, changed its name to Franchise Group, Inc. in 2019. Tax services brought in USD 291.69 million for the corporation, which is based in Virginia Beach.

Franchise Group produced USD 2.4 billion in revenue last year, making it one of the world's largest tax preparation firms and ranking 7th on this list of the top 10 tax preparation firms.

Franchise Group Tax Products and Services

• Tax preparation
• Tax preparation courses
• General retail

Founded: 1997
Headquarters: Virginia Beach, Virginia, USA

Website: https://franchisegrp.com

Ryan LLC is a Dallas, Texas-based tax preparation firm. Last year, the company's tax practice brought in USD 216.5 million, representing a 9.07 percent rise in tax revenue. Last year, the company earned USD 500 million in total income from all of its services.

Founded: 1964
Headquarters: Dallas, Texas, USA
Number of Employees: 43,000

Website: https://www.ryan.com

Jackson Hewitt is the country's second-largest tax-preparation firm, with over 2 million federal, state, and local income-tax returns prepared each year. The corporation is headquartered in Jersey City, New Jersey, and generated USD 213.8 million in tax revenue last year.

Jackson Hewitt Tax Products and Services

• Financial services
• Tax preparation
• Refund anticipation loans
• Franchises

Founded: 1982
Headquarters: Jersey City, New Jersey, USA

Website: https://www.jacksonhewitt.com

BDO USA, a global accounting network headquartered in Chicago, rounds up our ranking of the top 10 tax preparation companies in the globe. Tax revenue accounted for 34 percent of the company's overall revenue last year, bringing in USD 499.8 million. The company's tax revenues increased by 4.26 percent from the previous year. The organization presently employs 6,592 tax specialists across 61 tax locations.

Founded: 1910
Headquarters: Chicago, Illinois
Number of Employees: 7,330

Website: https://www.bdo.com