PwC's AI-First Strategy Reshapes Workforce Expectations
PwC's US chief executive Paul Griggs is warning employees they could be replaced if they do not embrace artificial intelligence. The Big Four consultancy is shifting to an AI-first operating model that will automate audit and consulting work, potentially eliminating roles traditionally filled by junior professionals.
Griggs, appointed US CEO in 2024, has overseen a restructuring that converts parts of the tax and consulting business into AI-powered tools clients can access directly, potentially through paid annual subscriptions. The offerings run on PwC One, an AI platform currently detecting anomalies in sustainability data and expanding into mergers and acquisitions, due diligence, and tax rules.
Griggs delivered a direct message to senior staff: partners who do not become "paranoid about being AI-first" will be replaced by those who do. Any employee who believes they can opt out of AI "is not going to be here that long," he said.
The Leverage Model Under Pressure
This pivot challenges the Big Four's traditional business model, which relies on hiring large cohorts of graduates and associates to handle routine analytical and administrative work.
PwC argues AI will deliver those services directly to clients instead, freeing human teams to focus on higher-value advisory work. "AI raises the floor. Humans raise the ceiling," Griggs said in a company post. "Technology can accelerate routine analysis and connect information in powerful ways. But judgment - understanding context, interpreting signals, navigating ambiguity and building trusted relationships - remains fundamentally human."
Australia Signals Workforce Changes Ahead
PwC Australia provides a glimpse of how an AI-enabled operation affects workforce dynamics. The firm lifted average partner income to $814,000 in 2025, up 6%, even as profit slipped 2% to $608 million. AI-enabled productivity gains and a smaller workforce drove the income increase.
PwC Australia CEO Kevin Burrowes attributed the shift to AI-driven productivity that began boosting profits in late 2025 and accelerated through early 2026. "Our productivity has improved in our business between 10 and 20%," he said.
The firm's future model involves "fewer people doing the same amount or fewer people doing more," Burrowes said, as staff use available AI tools to achieve more with less.
Substantial Investment Required
Implementing the strategy requires heavy spending on technology and workforce retraining. PwC is enrolling all partners and managing directors in an eight-week AI course from Kellogg. The firm is also providing every employee access to at least one AI tool and developing AI agents that can complete tasks with minimal supervision.
"AI isn't cheap," Burrowes said.
PwC Australia's workforce has already contracted significantly. The firm now has 575 partners, down 35% from a peak of nearly 900 in 2023, and just over 6,100 staff, down almost 40% from nearly 10,000 over the same period. These changes followed a sharp downsizing after the firm's tax leaks scandal in 2023, which led to the sale of its public sector consulting arm.
What This Means for HR
The PwC strategy signals how professional services firms are rethinking workforce composition and skills. HR leaders should expect similar pressures across the sector: fewer junior roles, higher emphasis on AI literacy at all levels, and substantial investment in reskilling existing staff.
For HR professionals managing these transitions, understanding AI's role in your organization's future is no longer optional. AI for CHROs (Chief Human Resources Officers) and AI for HR Managers resources can help you develop strategies for workforce transformation, reskilling programs, and talent planning in an AI-first environment.
Your membership also unlocks:
