I've interviewed at PwC twice (once as a candidate, once when I was hiring alongside them for a joint engagement) and I've coached a dozen people through their behavioral loops. Here's what PwC behavioral interviews actually test and how to prepare.
PwC's five values: care, collaborate, act with integrity, make a difference, reimagine the possible. They're posted on the careers site. Unlike most company values, PwC interviewers actually structure questions around these explicitly. The behavioral panel is partly just a values alignment screen.
Questions I've seen across multiple candidates in 2025-2026: Tell me about a time you worked with a difficult stakeholder or client and found a way forward. Describe a situation where you had to deliver bad news to a client or manager. How did you handle it? Give me an example of a time you saw something ethically questionable at work. What did you do? Tell me about a project that failed or underdelivered. What was your role and what did you learn? Describe a time you had to collaborate across teams or disciplines to deliver something. What made it work?
What they're listening for: Accountability, not blame-shifting. When things went wrong, own your part clearly. Client orientation. Even technical roles should have stories about working toward what a client or user actually needed, not just what was technically specified. Integrity with specifics. Don't just say "I raised the concern." Say what happened, how you did it, what the outcome was.
Prep tip: PwC's STAR format expectation is real, but the Result is underweighted compared to the Situation/Action ratio. They want to understand how you thought and acted, not just what the outcome was. A great story about a project that ultimately failed but where you did the right things will land better than a thin success story.