Consulting fit interview questions by firm

What McKinsey, BCG, Bain and Deloitte publish about the fit interview, quoted and dated, the six question families candidates report, and why-this-firm.

Updated October 28, 2026

FirmWhat it calls the fit interviewIn its own words
McKinsey & CompanyPersonal experience interview (PEI)Four themes (Leadership, Drive, Connection, Growth) with one prompt each; quoted in the PEI guide
Boston Consulting GroupSkills interview, plus a behavioral portion“we will explore your experience, skills, and motivation for joining BCG”
Bain & CompanyBehavioral interview or behavioral questions, by role“we look for people who can explain why they want to join us specifically.”
DeloitteCase and scenario interview; no separate fit page“we look for answers that project clear thinking, practical judgment, and a professional demeanor”
What each firm publishes about the fit portion, read October 28, 2026. The question families below are what candidates report across firms; the firms do not publish question lists.

What do the firms say about the fit interview?

Less than the prep sites do. McKinsey is the exception: it names four themes and gives a prompt for each, quoted in full in the PEI guide. BCG’s process page has one sentence under its skills interview step:

In this traditional interview, we will explore your experience, skills, and motivation for joining BCG;
Boston Consulting Group, Consulting Interview Process, Step 2: Skills Interview, read October 28, 2026

Bain’s interviewing page says the fit portion depends on the role and what it looks for:

Our interviews let you showcase your experience.
Bain & Company, Interviewing, read October 28, 2026
All interviews are designed to help you showcase the skills you'll need to succeed in the role.
Bain & Company, Interviewing, Your interviews will be customized to your role, read October 28, 2026
We'll discuss your past experience—personal, academic, and otherwise.
Bain & Company, Interviewing, A chat with future colleagues, read October 28, 2026
In all cases, we look for people who can explain why they want to join us specifically.
Bain & Company, Interviewing, We look for curious problem-lovers, read October 28, 2026
We want people who are intellectually curious, entrepreneurial, and who find challenges exciting.
Bain & Company, Interviewing, We look for curious problem-lovers, read October 28, 2026

Deloitte folds fit into the case and scenario interview:

we look for answers that project clear thinking, practical judgment, and a professional demeanor
Deloitte US, Preparing for the Case and Scenario Interview, read October 28, 2026

Read together: every firm asks about experience and motivation, McKinsey tells you the themes, Bain tells you that “why us specifically” is scored, and nobody publishes the questions. The families below are the ones candidates report across all of them.

The six question families, and what to pick for each

FamilyThe question sounds likePick a story whereStress
LeadershipA time you led a team through something hardA team you moved without authority over all of itThe call you made alone, and what it cost
InfluenceA time you changed someone’s mindSomeone senior or essential, and a real disagreementWhat you found out they needed, and what you conceded
DriveA goal you set and reached against the oddsA deadline and a reason it was unlikelyThe three choices in order, and the one you reversed
FailureA time it did not workA failure that was yours, with a visible consequenceWhat you changed afterward, with a later example of the change
TeamworkA conflict on a team and how it endedTwo people with incompatible plans, you in the middleThe conversation, not the outcome
LearningA time you had to learn something fastA skill you lacked, a clock, and a methodThe method: who you asked, what you built, what feedback you took

Six families, and most strong stories cover two. Four stories prepared to the four-beat skeleton (situation in two sentences, your task, actions with the reasoning first, result with a number) will carry a round at any of the firms above. The deep version of one family is in led without authority.

How do I answer “why this firm”?

Bain says it outright: the answer has to be specific. The shape that survives follow-ups has three parts, each one checkable. A person: someone at the firm you spoke to and what they said that mattered. A piece of work: a case, a practice, a publication of theirs you can describe in a sentence. A fit: the one thing about how they work that matches how you work, with your own example. Generic praise of prestige or training is the answer every candidate gives and the one the interviewer stops listening to.

What differs by firm, in practice?

  • McKinsey goes deep on one story with many follow-ups and names the four themes. Prepare two stories per theme, the firm’s own advice.
  • BCG runs the fit as its own step (the skills interview) before the case, and its interviewers remind candidates the case rounds also include a behavioral portion.
  • Bain varies the fit portion by role and scores “why Bain specifically”; its interviewing page says some roles include a full behavioral interview and others fold behavioral questions into other interviews.
  • Big Four advisory tends to fold fit into the case or scenario conversation and asks for judgment and demeanor; Deloitte’s page is the published example.

What are the common mistakes?

  • The team’s story. “We” six times. The interviewer is grading you.
  • Actions before reasoning. McKinsey asks for the reasoning first; it reads well at every firm.
  • A rehearsed monologue. Stop after the situation and let them steer.
  • No number at the end. “It went well” is not a result.
  • A generic “why us”. A person, a piece of work, a fit, each one checkable.

Questions

What behavioral questions do consulting firms ask?

The firms do not publish lists. McKinsey names four themes with a prompt each; candidates across firms report six families: leadership, influence, drive, failure, teamwork, learning. Four prepared stories cover them.

Does BCG have a behavioral interview?

BCG’s process page describes a skills interview exploring experience, skills and motivation, and one of its interviewers notes the case rounds also include a behavioral portion.

Does Bain have a behavioral interview?

Bain’s interviewing page says some roles include at least one behavioral interview while others incorporate behavioral questions, and that it looks for people who can explain why they want to join Bain specifically.

How does Casepartner help with fit questions?

When a fit question lands in practice it shows a STAR skeleton: which story to pick, what to stress, how to end. With a saved story bank it names your own stories. The words are yours.

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