Deloitte's biggest competitors are the other "Big Four" accounting and professional services firms—PwC (PricewaterhouseCoopers), EY (Ernst & Young), and KPMG. Accenture is also a major competitor in consulting and technology services, often competing directly for large-scale digital transformation projects. These firms compete globally on audit, tax, consulting, and advisory services.
Competitors and Alternatives to Deloitte
The Big 4 are the largest accounting and auditing firms in the world: Deloitte LLP (Deloitte), PricewaterhouseCoopers (PwC), Ernst & Young (EY) and Klynveld Peat Marwick Goerdeler (KPMG). They're so big that their joint revenue in 2024 was—you guessed it—$212 billion.
While "Big 5" isn't a fixed term, it often refers to the leading strategy firms (McKinsey, BCG, Bain) plus the consulting arms of the Big Four (Deloitte, PwC, EY, KPMG), with some sources grouping McKinsey, BCG, Bain, Deloitte, and Accenture as the top 5 diverse major players in consulting. The most prestigious strategy-focused firms are McKinsey, BCG, and Bain (MBB), while the large accounting firms (Deloitte, PwC, EY, KPMG) offer extensive consulting services, and Accenture provides broad technology and management consulting.
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The Deloitte report contained false citations, pulled from made-up academic papers to draw conclusions for cost-effectiveness analyses, and cited real researchers on papers they hadn't worked on, the Independent found. It included fictional papers coauthored by researchers who said they had never worked together.
Professional certifications: Obtaining certifications like the Certified Public Accountant (CPA) is often a prerequisite to work at a Big 4 firm.
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, ...
There are millions of annual applicants to Big 4 firms in the US alone! As private companies, Big 4 firms don't publish their acceptance rates. However, some research exists that puts the chances of getting a Big 4 job between 0.85% and 4% depending on the firm.
Walt Disney company and PWC. We begin with Disney, in 2023 one hundred years old. At $180 billion, it is the largest entertainment corporation in the world and its auditor, Price Waterhouse Coopers (PwC) is one of the Big 4 global accountant partnerships.
PwC and Deloitte are the most prestigious
If you ask most people about prestige, they'll probably rank PwC/Deloitte > EY > KPMG. This is reflected in pricing, for example.
Deloitte has an overall rating of 3.8 out of 5, based on over 145,764 reviews left anonymously by employees. This rating has decreased by 1% over the last 12 months. 75% of employees would recommend working at Deloitte to a friend and 65% have a positive outlook for the business.
Deloitte Clients
While "Big 5" isn't a fixed term, it often refers to the leading strategy firms (McKinsey, BCG, Bain) plus the consulting arms of the Big Four (Deloitte, PwC, EY, KPMG), with some sources grouping McKinsey, BCG, Bain, Deloitte, and Accenture as the top 5 diverse major players in consulting. The most prestigious strategy-focused firms are McKinsey, BCG, and Bain (MBB), while the large accounting firms (Deloitte, PwC, EY, KPMG) offer extensive consulting services, and Accenture provides broad technology and management consulting.
The most prestigious consulting firms are consistently led by the "MBB" trio: McKinsey & Company, Boston Consulting Group (BCG), and Bain & Company, known for top-tier strategy work, highest compensation, and best exit opportunities, followed closely by elite boutiques like Oliver Wyman and L.E.K. Consulting, and the strategy arms of the Big Four: Deloitte (Monitor Deloitte), PwC (Strategy&), and EY (EY-Parthenon).
The Big 4 are the four largest global professional services networks that dominate audit and assurance, tax, and advisory work for companies and governments worldwide. They are Deloitte, PwC, EY, and KPMG.
The consulting firms considered as tier 1 firms are the 3 largest strategy consulting firms: McKinsey & Company, the Boston Consulting Group (BCG) and Bain & Company. They have a long history and are considered the most prestigious firms globally. The acronym "MBB" is widely used to label them (McKinsey, BCG, Bain).