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Best way to prepare for investment banking interviews

Hey everyone,

I’m currently preparing for investment banking interviews and was wondering how others are approaching it. How do you balance technical prep with behavioral questions? Are there any resources or guides you’d really recommend? Also, how important are mock interviews in your opinion?

Appreciate any tips or insights.

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Rita
Coach
on Jul 30, 2025
Excel in Finance | FREE 15 Minutes Intro Call | Personalised Preparation

Great question – from what I hear from many candidates, a lot of the prep happens through self-study and exchange with peers. It really helps to connect with others who are also preparing – sharing insights, testing each other, or just staying motivated together.

In terms of resources, Excel guides and modeling books are definitely useful. PrepLounge also has a few helpful guides – maybe you’ll find something there that fits your needs.
 

Behavioral questions are just as important as the technicals – and that’s where coaching can help: for example, refining your CV or cover letter, or getting feedback on how clearly and confidently you present your thinking.

Mock interviews can be helpful not just for practice, but also to reflect on how you think: Can you stay structured under time pressure? Are you losing yourself in details? Are you getting your points across?

In short, self-study is key, but a mix of feedback and real conversation often makes the difference. Good luck!

 

Rita

Simon
Coach
on Jul 31, 2025
Mastering Deals and Strategy | Seasoned coach

IB interview prep is all about balance. Here's an approach I usually recommend:

  • Technical prep: Master DCF, comps, LBOs. PrepLounge's own Finance Interview Basics are a good way to start. Important: Don’t just memorize, understand the logic!
  • Behavioral prep: Know your story cold (why IB, why this firm, walk me through your resume). Use the STAR method to structure answers.
  • Mock interviews: Very important. Helps with timing, clarity, and reducing nerves. Try to get feedback from someone in IB or who’s gone through the process.

Aim for short daily sessions on both technical + behavioral, and ramp up with mocks as interviews get closer.

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