Why Big Corporate Firms Are Finally Collapsing
Summary of the video “The (Overdue) Collapse of Bullsh*t Companies” by The Invisible Game.
The Big Four accounting and consulting firms (Deloitte, PwC, EY, KPMG) built monopolies on reputation and cheap labor, but decades of overcharging for mediocre work, combined with AI automation and regulatory pressure, are now dismantling their business model. Smaller firms, in-house teams, and independent consultants are poised to replace them.
The Deloitte AI Scandal and Pattern of Failure
Deloitte's Fake Report to Australia
In December 2024, Deloitte charged the Australian government $290,000 for a 7-month project on welfare system reform, but the entire report was AI-generated with fabricated references, fake quotes, fake court citations, and non-existent academic sources.
Decades of Overcharging for Obvious Advice
These firms have dressed up basic, obvious solutions in expensive price tags for decades, only recently facing consequences as clients and regulators begin scrutinizing actual work quality.
PwC Tax Scandal and Existential Crisis
Senior PwC partners misused confidential government information to help multinational tech companies avoid tax, triggering an existential crisis for the firm and sparking regulatory action.
Tesco Audit Overstatement
In 2014, PwC overstated Tesco's projected quarterly profit by 250 million pounds—approximately 30% higher than actual results—in what should have been a routine audit.
How the Big Four Monopoly Formed
Birth of the Big Eight in the 1970s
As multinational corporations expanded globally in the 1970s, they needed independent auditors to verify financial statements across different countries and tax codes, creating the original Big Eight accounting firms.
Consolidation to Big Four
The Big Eight controlled 98% of public company audits by the late 1980s. Smaller firms unable to compete were absorbed, leaving only five by the 2000s and eventually four today.
Reputation as Barrier to Entry
New firms cannot compete because corporations choose established auditors over unknown startups—auditing is reputation-based and risky to experiment with, making it nearly impossible for new entrants to gain market share.
Monopoly Across Related Industries
The same consolidation pattern appears across credit rating (S&P, Moody's, Fitch control 96% of global market), strategy consulting (McKinsey, BCG, Bain dominate), law, finance, asset management, and private equity.
Client Switching Inertia
When a firm selects an auditor, it takes an average of 23 years to change. BCE Inc., Canada's largest telecom, has used Deloitte for 144 years, exemplifying extreme client lock-in.
The Enron Collapse and Missed Lesson
Arthur Andersen's Enron Failure
In 2000, Arthur Andersen earned $25 million in audit fees and $27 million in consulting fees from Enron while completely failing to detect $20 billion in debt hidden via shell companies. The firm collapsed 9 months after the scandal broke.
Industry Consolidation Accelerated Instead of Broken Up
Rather than learning that corporate America needed to be broken up, the opposite occurred. Today, the Big Four audit 498 of the 500 largest US corporations.
Quality Collapse and Regulatory Findings
EY Audit Deficiency Rate
In 2022, regulators found that 43% of EY's audits had deficiencies, meaning the auditor didn't gather sufficient evidence to support its opinion. EY was forced to walk away from 84 audit clients, losing $215 million in fees.
Big Four Deficiency Rate Doubled
Across all Big Four firms, the average audit deficiency rate more than doubled from 12% in 2020 to 26% by 2022, indicating systemic quality deterioration.
Client Migration to In-House and Smaller Firms
As quality declined, companies increasingly brought audit and consulting work in-house or moved to smaller specialized firms to avoid paying millions for subpar services.
The Conflict of Interest: Audit vs. Consulting
Big Four Revenue Shift to Consulting
By 2023, the Big Four generated $95 billion from advisory services versus $66 billion from audit and assurance combined, making consulting the primary profit driver.
Structural Conflict: Marking Your Own Homework
The same firm audits financial statements and then advises on business improvements, creating incentives to sign off generously on books to make consulting advice appear more effective than it is.
PwC's Peter Collins Confidentiality Breach
In 2013, PwC partner Peter Collins shared confidential Australian government tax information with at least 53 PwC partners, who used it to help clients including Google circumvent laws PwC itself had helped design. Collins signed three confidentiality agreements.
Ineffective Chinese Walls
While firms claim strict internal separation between audit and consulting to prevent conflicts, these barriers are not effective, and confidential information regularly flows between divisions for competitive advantage.
Regulatory Pressure and Forced Separation
PwC Forced to Sell Government Consulting for $1
Following the Australian tax scandal, PwC was forced to divest its entire government consulting business for just $1, signaling severe regulatory consequences.
UK Operational Separation Mandate
From 2024, all four Big Four firms must operationally separate their UK audit practices from the rest of the business to eliminate conflicts of interest.
US Senate Breakup Consideration
Even the US, traditionally a free-market advocate, has had Senate consider breaking up the Big Four firms due to monopolistic behavior and conflicts of interest.
Breakup Would Harm Both Sides
Separating audit from consulting would damage both divisions because consulting only exists in its current form due to credibility and client access built by auditing over a century.
The Consulting Quality Crisis
McKinsey's Meaningless Advice
A 2016 McKinsey deliverable charged thousands of dollars but contained only vague platitudes like 'Develop value-creating partnerships' and 'Build a clear mission'—words that mean nothing but appear valuable with fancy graphs and color.
Client Confidence Collapse
By 2024, only 13% of businesses felt that consultants were doing more good than harm, down dramatically from historical confidence levels.
Mass Contract Cancellations
Firms and governments are increasingly cutting contracts with Big Four consulting divisions as perceived value disappears and quality concerns mount.
Why the Labor Advantage Disappeared
Elite Graduate Pipeline to Finance
For decades, the Big Four attracted top talent because the best graduates from elite universities funneled into accounting, law, or finance by default. At Harvard, 57% of the class of 2022 went into finance, consulting, or technology.
AI Erodes the Labor Advantage
AI dramatically speeds up the exact grunt work—data extraction, pattern matching, document review—that gave Big Four firms their competitive edge by requiring armies of junior staff.
Technology Not Exclusive to Big Four
AI tools are not proprietary to the Big Four, massively reducing the barrier to entry for smaller competitors and independent consultants to compete effectively.
Three Possible Futures
In-House Consolidation
Large companies may stop outsourcing audit and consulting work altogether, using AI internally to handle data extraction and document review that previously required expensive external firms.
Rise of Boutique Firms
Smaller specialized firms can now compete seriously for the first time in decades because AI closes the output quality gap between a 300,000-person firm and a 30-person firm, eliminating size as a competitive advantage.
Independent Consultant Model
Experienced professionals who spent 15 years inside Big Four firms could deliver equivalent work independently, supported by AI, without the overhead of maintaining hundreds of junior employees. This creates a new category of competitor that undercuts Big Four pricing dramatically.
Simultaneous Disruption
All three outcomes are likely happening simultaneously, chipping away at the Big Four from different directions and dismantling a business model that dominated corporate America for nearly a century.
Notable quotes
All the hard work that Deloitte had been doing had been done by AI. The report included fake references, fake quotes from a fake court hearing. — Narrator
It's a world built on reputation and that's exceptionally difficult to build from scratch. — Narrator
By 2024, only 13% of businesses felt that consultants were actually doing more good than harm. — Narrator