The Next Generation of Big Four Partners Is Shrinking

For decades, the path in public accounting followed a familiar script. Join a Big Four firm as a junior, survive long busy seasons, earn your CPA, move through manager and director roles, and eventually make partner. It was never easy, but the ladder was clear. Today, that ladder looks very different. Across the accounting profession, fewer professionals are staying long enough to reach the top. Firms are promoting fewer partners, experienced accountants are leaving for better-paying industries, and the pipeline of new CPAs entering the profession has shrunk sharply. If the trend continues, the leadership structure that has defined large accounting firms for generations could face a serious succession challenge. The talent shortage itself is not new; we explored the broader issue earlier in How to outsmart the talent drought?. But recent data shows the problem is now reaching the profession’s highest ranks.

Partner Promotions Are Slowing

Large accounting firms have quietly begun tightening the number of professionals they elevate to partner. Recent global data illustrates the trend. At the Big Four firms, partner promotions dropped to 179 in 2025, the lowest level in five years. Deloitte, EY, and PwC all promoted significantly fewer partners compared with their promotion cycles just a few years ago. While those figures come from the UK market, the same financial pressures exist in the United States. Firms are protecting partner profit pools while consulting demand has cooled and operating costs have increased. Promoting fewer partners ensures that existing partners maintain strong payouts, but it also slows the career progression of the next generation of leaders.

The US Talent Pipeline Problem

The deeper challenge lies in the shrinking supply of accountants entering and staying in the profession. Across the United States, the accounting talent pipeline is tightening at multiple levels. Fewer students are pursuing accounting degrees, fewer candidates are sitting for the CPA exam, and experienced professionals are leaving public accounting earlier in their careers. At the same time, a large portion of current firm leadership is approaching retirement age. Together, these forces are creating a structural gap between the number of professionals entering the profession and the number expected to leave it over the next decade. The result is a growing leadership pipeline challenge for large accounting firms, particularly those that rely on a steady flow of experienced professionals to eventually move into partner roles.

US Accounting Pipeline Snapshot

Metric	Earlier period	Latest period	What it suggests
Licensed CPAs in the US	1.93 million (2019)	653,408 (Aug 2025)	The licensed CPA base has shrunk significantly, increasing pressure on the profession’s leadership pipeline.
CPA exam candidates	~100,000 (2019)	~67,000 (2022)	New entrants into the profession dropped to a 17-year low, weakening the supply of future accountants.
Retirement outlook	—	75% of partners retirement-eligible within 15 years	A large portion of senior professionals may exit the profession just as fewer replacements enter the field.
Big Four partner promotions (global reference)	276 (2022)	179 (2025)	Firms are becoming more cautious about expanding partnership ranks amid profit pressures.

Why Young Professionals Are Leaving

Public accounting has always demanded long hours, but younger professionals today have more career alternatives than previous generations. Several structural factors are making it harder for firms to retain talent long enough for professionals to reach partnership.

• Higher-paying alternatives: Technology firms, consulting companies, and financial institutions frequently offer stronger starting salaries and faster career progression than traditional accounting roles.
• Lengthy CPA pathway: Many graduates view the CPA qualification process as costly and time-consuming, particularly because of the 150-hour education requirement needed to qualify for the exam in most states. For quick updates on CPA rules and deadlines across states, explore CPA State Board Updates section.
• Work-life balance pressures: Busy season workloads and years of demanding schedules before reaching senior leadership positions have pushed some professionals toward corporate finance, private equity, or advisory roles outside traditional accounting firms.

As a result, firms are losing many high performers long before they reach the senior levels needed to sustain the partnership model.

AI Is Changing the Pyramid

Technology is also reshaping the structure of accounting firms. For decades, firms relied on a “pyramid” model: thousands of junior staff supporting a smaller number of managers and partners. Artificial intelligence and automation are beginning to change that equation. Routine tasks such as data analysis, reconciliation, and document review can increasingly be handled by software tools. That reduces the need for large teams of entry-level staff and forces firms to rethink how future leaders will gain the experience traditionally built during those early years. Some experts believe the profession may move toward flatter organizational structures with fewer junior employees and a greater emphasis on experienced specialists who can interpret complex financial information and manage client relationships.

Why Firms Are Promoting Fewer Partners

Another reason for the slowdown in partner promotions is financial discipline inside large accounting firms. Several structural pressures are forcing leadership teams to become more cautious about expanding the partnership ranks.

• Cooling consulting demand: Consulting revenue surged during the pandemic recovery but has cooled across several markets, forcing firms to rethink expansion plans and protect profit margins.
• Rising technology investments: Firms are investing heavily in technology infrastructure, AI tools, and digital transformation initiatives that require significant capital.
• Higher operating costs: Labor costs, regulatory compliance requirements, and operational expenses continue to increase across the profession.
• Protecting partner payouts: Limiting the number of new partners helps maintain profitability for existing partners, whose annual payouts can exceed seven figures at some firms.

But tighter promotion policies also extend the timeline for ambitious professionals hoping to reach the top. That dynamic creates a difficult balancing act for firms: protecting partner profits today while risking talent departures tomorrow.

Impact of Fewer Big Four Partners

If fewer professionals reach partnership at Big Four firms, the impact will extend beyond firm leadership. Partners play a central role in managing major clients, overseeing complex audits, and driving revenue growth. A smaller partner pool can increase pressure on existing leadership while reshaping how firms manage client relationships and develop future leaders.

• Heavier partner workloads: Fewer partners means greater responsibility for client oversight, regulatory compliance, and major engagements.
• Limited access to senior expertise: Clients may face reduced partner availability, especially for complex audits and advisory projects.
• Shift in leadership models: Firms may expand non equity leadership roles or accelerate partner promotion timelines.
• Opportunities for mid tier firms: Regional and national firms could attract experienced professionals leaving Big Four paths.

A Succession Problem on the Horizon

The long-term concern for the profession is leadership succession. Accounting firms rely on experienced partners to bring in new clients, lead major audit engagements, and maintain institutional knowledge. Building those capabilities takes years of experience and mentorship. If fewer professionals remain in public accounting long enough to develop those skills, firms could face a shortage of future leaders capable of running large practices. Some firms are already experimenting with solutions, including faster promotion tracks, expanded recruiting outside traditional accounting programs, and greater use of technology to make early career roles more engaging.

Takeaway

Public accounting has always depended on a long-term pipeline of talent. Thousands of juniors enter the profession each year, a smaller group climbs the ranks, and eventually a handful become partners. But that pipeline is narrowing. With fewer CPAs entering the field, rising attrition among young professionals, and AI reshaping firm structures, the traditional partnership model is under real pressure. If firms cannot rebuild the talent pipeline, the question will no longer be how many partners to promote, but whether there will be enough future leaders ready to take their place.