What are the Big 4 ? – TechTarget Definition (2024)

What is the Big 4?

The Big 4 are the four largest international accounting and professional services firms. They are Deloitte, EY, KPMG and PwC. Each provides audit, tax, consulting and financial advisory services to major corporations.

What is the history behind the Big 4?

The Big 4 firms have been around for over a century and are known for their high-quality services and deep expertise. Each of these firms has teams of experienced professionals who specialize in areas such as taxation, mergers and acquisitions (M&A), corporate restructuring, intellectual property protection, risk management, cybersecurity and more.

The Big 4 are known for their commitment to excellence and have earned a reputation for integrity and trustworthiness. They employ thousands of people around the world and attract top talent from universities, law schools and business schools. They also provide internship opportunities, which can help students gain valuable insights into the accounting profession.

What types of organizations work with the Big 4?

The Big 4 work with many types of organizations across industries, including technology companies, healthcare organizations, retail establishments, government entities, nonprofit organizations and financial institutions. Their clients include Fortune 500 companies and small and medium-sized businesses.

What services do the Big 4 provide?

Overall, the Big 4 is an important part of the global economy and provides important financial services to organizations worldwide. They play a critical role in helping companies manage risk, reduce costs, increase efficiency, maximize profits and remain competitive in today's market.

Auditing services

The Big 4 audits the majority of all publicly traded companies. This helps to ensure that these companies are accurately reporting their financial data and following applicable laws and regulations.

Financial services

In addition, the Big 4 firms provide a variety of other financial services, such as assisting with M&A, preparing tax returns, developing risk management strategies, providing legal advice and more.

What are the Big 4 ? – TechTarget Definition (2)

Thought leadership

The Big 4 also has a presence in the media and often provides insight into current issues in the accounting profession. They are active contributors to industry publications, blogs, conferences and other outlets. They have led several research initiatives on topics such as sustainability and corporate governance.

What are the Big 4 ? – TechTarget Definition (3)

Quality assurance and consulting

Finally, each of the Big 4 firms provides quality assurance and consulting services to their clients, which involve verifying that a company's processes are accurate and up to date. As consultants, they focus on helping a company improve operations or develop new strategies.

These services can be invaluable for businesses looking to become more competitive in their respective markets.

See three reasons why CISOs should collaborate more with CFOs, and learn three strategies for better finance-IT collaboration.

This was last updated in February 2023

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What are the Big 4 ? – TechTarget Definition (2024)

FAQs

What are the Big 4 ? – TechTarget Definition? ›

The Big 4 are the four largest international accounting and professional services firms. They are Deloitte, EY, KPMG and PwC.

What is the meaning of Big 4? ›

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.

What does the Big 4 refer to? ›

The Big Four are the four largest global accounting firms—Deloitte, Ernst & Young (EY), PricewaterhouseCoopers (PwC), and Klynveld Peat Marwick Goerdeler (KPMG), as measured by revenue.

What is Big 4 in strategy? ›

The global professional services firms EY, PwC, Deloitte and KPMG make up 'the Big 4'. These firms provide consulting services in four core areas, including strategy. The strategy teams of the Big 4 are small, elite units, each with only a few thousand consultants globally.

Which Big 4 is the best? ›

In general, PwC and Deloitte are considered the most prestigious of the Big 4. If you ask most people about prestige, they'll probably rank PwC/Deloitte > EY > KPMG. This is reflected in pricing, for example. Big 4 will compete with each other on pricing.

What makes the Big 4 the Big 4? ›

What is the Big Four? Big Four refers to the top four accounting firms globally that audit more than 80% of US public companies, including Deloitte, PricewaterhouseCoopers, KPMG, and Ernst & Young. For these accounting firms, this term is used because of its huge size, good reputation, and worldwide reach in the field.

What is an example of the Big Four? ›

Big 4 audit clients are what arguably make the largest audit companies in the world worth working for. These companies, as you may already know, are Deloitte, PwC, Ernst & Young, and KPMG.

Why are the Big 4 so good? ›

Broad knowledge of business and stakeholder management

Their analytical skills and financial knowledge in particular give them an edge since they always must be up to date with the latest legislation and regulations for their clients. Another advantage is that Big 4 professionals work for many diverse types of clients.

Who are the Big Four Why are they important? ›

Who are the big 4 companies? The “Big 4” is a term used to reference the four largest accounting firms: Deloitte, Ernst & Young (EY), KPMG, and PricewaterhouseCoopers (PwC). Their gargantuan size and global reach put them in a unique position to shape the finance industry, drive innovation, and influence regulations.

Who are the Big 4 and what are they trying to do? ›

They are the four largest accounting firms by revenue. They are Deloitte, Ernst & Young (EY), PricewaterhouseCoopers (PwC), and Klynveld Peat Marwick Goerdeler (KPMG), read more about each below. In addition, these mammoth organizations advise on tax and offer a wide range of management and assurance services.

Who is the biggest of the Big 4? ›

Deloitte. The largest of the Big 4, Deloitte, earned $59.3 billion in revenue in 2022.

What are the 4 questions of strategy? ›

A good strategy provides clear and concise answers to four key questions:
  • Where do we compete? ...
  • What unique value do we bring to win in those markets? ...
  • What resources and capabilities do we utilize to deliver that value? ...
  • How do we sustain our ability to provide that unique value?

Where is Big 4 located? ›

The big 4 companies in India are well-established firms with numerous branches spread across India's major cities like Mumbai, Delhi, Bangalore and Hyderabad. They serve a variety of clients that range from multinational corporations to small businesses.

Who is no. 1 in Big 4? ›

Big Four Accounting Firms Ranking by Revenue
Big 4 Accounting Firms20222021
Deloitte$59.3 billion$50 billion
PwC$50 billion$45.1 billion
Ernst and Young$45.4 billion$40 billion
KPMG$34.64 billion$32.1 billion
Mar 5, 2024

Which Big 4 has the best work-life balance? ›

Work-Life Balance Improvement Strategies

For example, PwC offers its employees flexibility in structuring their schedules, taking time off when needed, and working reduced hours or remotely at times. The firm also focuses on initiatives around physical and mental wellbeing.

Which Big 4 is the most profitable? ›

Revenue of the Big Four accounting/audit firms worldwide in 2023 (in billion U.S. dollars)
CharacteristicRevenue in billion U.S. dollars
Deloitte64.9
PwC53.09
EY49.4
KPMG36.4
Jan 26, 2024

What is Big 4 and Big 5? ›

History of the Big 4 accounting firms

In the late 1990s, the Big 6 became the Big 5 when Price Waterhouse merged with Coopers and Lybrand to form PricewaterhouseCoopers (later stylised as PwC). Five became four in 2001 after the insolvency of Arthur Andersen due to the firm's involvement in the Enron scandal.

Where did the Big 4 come from? ›

The Big 4 originally actually started as a handful of smaller accounting firms. Through a flurry of consolidations through mergers and acquisitions throughout the 20th century, these firms eventually consolidated themselves into the Big 4.

Who were considered the Big 4? ›

In 1919, the Big Four met in Paris to negotiate the Treaty: Lloyd George of Britain, Vittorio Emanuele Orlando of Italy, Georges Clemenceau of France, and Woodrow Wilson of the U.S. The Paris Peace Conference was an international meeting convened in January 1919 at Versailles just outside Paris.

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