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We have compiled an unparalleled repository of insights about ensuring interview success at McKinsey & Company, Boston Consulting Group (BCG), and Bain & Company. 

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Category: Foundations for MBB Interview Success
"Nine out Nine" at MBB London!
Written by Dr. Sidi S. Koné
When the data keeps repeating itself, you stop calling it luck.
You call it A SYSTEM.
When the data keeps repeating itself, you stop calling it luck.
You call it A SYSTEM.

In my last blog post, I wrote about 𝐁𝐚𝐢𝐧 𝐋𝐨𝐧𝐝𝐨𝐧 running their first rounds.
(Link to post: here)

Five of our mentees walked in.
Five walked out with second round invites.

A clean sweep.

Since then, also 𝐌𝐜𝐊𝐢𝐧𝐬𝐞𝐲 and 𝐁𝐂𝐆 ran their London first round interviews.

𝗙𝗼𝘂𝗿 of our mentees stepped into those rooms.
𝗙𝗼𝘂𝗿 stepped out with 𝗽𝗮𝘀𝘀𝗲𝘀.

Yet ANOTHER 𝗰𝗹𝗲𝗮𝗻 𝘀𝘄𝗲𝗲𝗽. 🤩

Three firms.
Nine first rounds.
Nine passes!
Zero noise.
Zero variance.
One system.

One thing to think about:

Most candidates treat MBB interviews like roulette.
They chase “good cases”, fear “bad interviewers”, and hope they land on the right side of probability.

But probability is what you rely on when you have no process.

Our mentees do not gamble.
They execute.
They walk into interviews with calibrated stories, engineered structure, and partner-level clarity.
They know how McKinsey, BCG, and Bain evaluate.
They know how to adapt to it.

This is why the results feel inevitable.

Not because we pick “easy profiles”.
Not because they had “friendly interviewers”.
But because offer-ready performance is something you build, not something you pray for.

Two questions to sit with:

Are you preparing at the level that makes a 100 percent pass rate plausible?
Or are you hoping your interview day becomes a miracle?

Because this market rewards precision, not effort.
It rewards disciplined preparation, not optimistic guessing.
It rewards the candidates who train like consultants, not like casebook collectors.

If you have interviews coming up and you want to experience what real preparation feels like, reach out.

We will look at your starting point, see if we can help, and if yes, build the exact plan that gets you to offer-ready.

𝗦𝗲𝗿𝗶𝗼𝘂𝘀 𝗰𝗮𝗻𝗱𝗶𝗱𝗮𝘁𝗲𝘀 𝗼𝗻𝗹𝘆. But if you are serious, this can change your entire career trajectory.

How we can help you break you into McKinsey, BCG, or Bain

If you, as an applicant at one of the big strategy consulting firms, would like to learn how to ensure success in your interviews with McKinsey, BCG, or Bain, then feel free to apply for a free initial consultation with us. In this free session we will find out whether we can help you, and if so, how we can help you to reach your goal of joining a firm like McKinsey, BCG, or Bain & Company. 

Within the last years, we have helped more than 350 people to receive job offers from the three MBB companies! On average, every single week, two of our clients are signing an employment contract with either McKinsey, BCG, or Bain.

About the author: 
Dr. Sidi S. Koné

Former Senior Engagement Manager and Interviewer at McKinsey & Company | Former Senior Consultant at BCG

About The MBB Offer Machine™

We help aspiring graduates, young professionals, and seasoned topic experts to ensure success in their job interviews with the world's most reputable Strategy Consulting Firms.

We place a special emphasis on "MBB":
  • McKinsey & Company
  • ​Boston Consulting Group (BCG)
  • ​Bain & Company

About the author: 
Dr. Sidi S. Koné

Former Senior Engagement Manager and Interviewer at McKinsey & Company | Former Senior Consultant at BCG

About the author: 
Dr. Sidi S. Koné

Former Senior Engagement Manager and Interviewer at McKinsey & Company | Former Senior Consultant at BCG
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