William Blair·Investment Banking Analyst

William Blair Investment Banking Analyst interview experience

Got offer

Hard

Positive

United KingdomPosted Oct 2025 · Candidate report, summarized by Dataford

My interview process was the most intense I’d seen at the time.

It started with a test, then moved into a longer paper-powerpoint style exercise paired with an interview, and from there it turned into an assessment center.

At the assessment center, I went through a broader mix: behavioral and technical questions, a group discussion, then additional conversations with HR and with senior leadership in the later stages. The technical portion included a paper LBO, along with commercial awareness questions, and the pressure came from how quickly I had to move through the paper LBO problem.

I ultimately received an offer, but it didn’t feel casual getting

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