How to secure a job at a Big 3 consulting Firm

  • Posted Date: 17 Jul 2024
  • Updated Date: 26 Mar 2025

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Landing a job at one of the Big 3 consulting firms—McKinsey, Boston Consulting Group (BCG), or Bain & Company—can be a game-changer for your career. These firms are renowned for their prestigious clients, high-impact projects, and rigorous selection processes. 

 

Securing a position with one of these consulting giants opens doors to unparalleled professional opportunities and places you among the best and brightest in the industry. 

 

In this blog post, we’ll explore the strategies and steps you need to take to enhance your chances of landing a role at a Big 3 consulting firm, from building a standout application to mastering the interview process and beyond.

 

Building a Career in Management Consulting

 

Pursuing a career in management consulting can be highly rewarding but it requires strategic preparation and skill development. One effective way to start is by enrolling in a dedicated management consulting course. This course will provide you with the essential skills, industry insights, and practical knowledge necessary to excel in the field.

 

Before enrolling, you can join a free workshop to get an overview of the course content and understand what to expect. This preliminary step will help you make an informed decision about your career path.

 

How to crack a management consultant interview?

 

Cracking a management consultant interview requires strategic preparation, understanding the consulting industry, and honing specific skills. One effective resource to guide you through this process is theConsulting.io.

 

TheConsulting.io is a paid online platform powered by Jobaaj, tailored for individuals preparing for management consulting exams and interviews. It provides a variety of resources, including practice drills, case studies, peer-to-peer practice sessions, performance evaluations, and tools for resume building and LinkedIn optimization

 

We have three types of plans Basic, Intermediate and Advance for 1,3 and 6 month. 

 

The platform aims to help candidates succeed in interviews for top consulting firms like McKinsey, Bain, and BCG by enhancing their problem-solving, analytical thinking, and strategic decision-making skills.

 

Here’s a comprehensive approach to help you succeed in your management consultant interviews:

 

  • Practice Drills: 

Practice Drills include calculation drills, structure drills, subjective drills, and chart and guesstimate drills. After completing these, you will receive a detailed performance report to track your progress.

 

1. Calculation Drills:  

The “Calculations Drills" section of TheConsulting.io platform, is designed to help users improve their calculation skills through various drills. To use this feature, follow these steps:

 

Step 1: Select QUESTION TYPE

  • Choose the type of question you want to practice. Options include:
    • All Types
    • Addition
    • Subtraction
    • Multiplication
    • Division
    • Percentage
    • Percentage of Percentage
    • Fraction Simplification

Free Workshop

 

Step 2: Select DIFFICULTY LEVEL

  • Determine the difficulty level of the questions:
    • Standard
    • Advance

Free Workshop

 

Step 3: Select DURATION

  • Choose the duration for the drill:
    • 1 Minute
    • 3 Minutes
    • 5 Minutes
    • 10 Minutes

Free Workshop

 

Step 4: Click the button “Start.”

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Step 5: Let's start the drill  

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These settings allow users to customize their practice sessions according to their needs and improve their calculation speed and accuracy.


 

2. Structure Drills:

Here are the steps for completing the Structure Drills:

 

Step 1: Question Format:

  • Select the desired question format from the drop-down menu (e.g., text and audio). 

Free Workshop

 

Step 2: Time Limit Per Question:

  • Choose the time limit for each question from the available options (e.g., unlimited, 60 seconds, 2 minutes, 3 minutes, 5 minutes).

Free Workshop

 

Step 3: Click on the "Start the Drill" button:

  • After selecting the question format and time limit, click the button to begin the drill.

Free Workshop

 

Step 4: Ask for Clarification: You can ask for clarification. 

Free Workshop

 

Step 5: Solve the Drill:

  • Work through the drill questions.

Free Workshop

 

Following these steps will help you navigate and complete the Structure Drills effectively.

 

3. Subjective Drills

 

Step 1: Select Question Format: Choose the question format that suits your learning style from the drop-down menu (e.g., text and audio, only text)

Free Workshop

 

Step 2: Time Limit Per Question: Decide on a time limit per question based on your practice needs:

  • Unlimited time 
  • 60 seconds
  • 2 minutes
  • 3 minutes
  • 5 minutes

Free Workshop

 

Step 3: Click the button “Start Drills.”

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Step 4: Start the Drill: Initiate your practice session using the selected question format and time limit. Use a timer or stopwatch to maintain discipline and simulate interview conditions.

Free Workshop

 

4. Chart Drills:

Here are the steps for completing the Chart Drills for management consulting:

 

Step 1: Start Drill:

  • Click on the "Start Drill" button to begin the Chart Drill.

Free Workshop

 

Step 2: Read and Solve:

  • Carefully read the provided chart and associated questions.
  • Solve the questions based on the information presented in the chart.

Free Workshop

 

Reveal Solution:

  • After solving the questions, click on the "Reveal Solution" button to see the correct answers.
  • You can reveal the solution only after you have attempted to solve the questions.

Free Workshop

 

Following these steps will help you effectively complete the Chart Drills for management consulting

 

5. Guesstimates:

Here are the steps for completing the Guesstimates Drills for management consulting interview preparation:

 

Step 1: Start Drill:

  • Click on the "Start Drill" button to begin the Guesstimates Drill.

Free Workshop

 

Step 2: Read and Solve:

  • Carefully read the guesstimate question provided.
  • Solve the question to the best of your ability.

Free Workshop

 

Step 3: Reveal Solution:

  • After solving the question, click the "Reveal Solution" button to see the correct answer.

Free Workshop

 

Step 4: Read the solution:

  • Carefully read the provided solution to understand the correct approach and answer.

Free Workshop

 

Step 5: Mark as Incorrect or Correct:

  • Based on your answer and the revealed solution, mark your attempt as incorrect or correct.

Free Workshop

 

These steps will help you effectively prepare for management consulting interviews using the Guesstimates Drills.

 

  • Prep Cases: 

Prep cases provides different cases to solve, helping you practice real-world scenarios. It has Essential Consulting Cases for Your Interview Preparation.

 

Step 1: Select the case: Choose a consulting case that aligns with your interests or areas you need to improve.

Free Workshop

 

Step 2: Read the Case Prompt: Carefully read the case prompt to understand the context and requirements.

Free Workshop

 

Step 3: Solve the Case: Work through the case, applying your problem-solving and analytical skills.

 

Step 4: Check Your Analysis: Review your solution and analysis to ensure accuracy and completeness.

Free Workshop

 

  • Peer-to-Peer Practice: 

Schedule meetings and practice case interviews with other candidates via the meeting board.

 

You can either schedule meetings or invite partners.

1. Meeting Schedule: In this option, anyone can join the meeting.

Free Workshop

 

Step 1: Choose the Date and Time: Select the preferred date and time for your meeting.

Free Workshop

 

Step 2: Click on Add a New Proposal: Propose a new meeting slot.
Free Workshop

 

Step 3: Check the Schedule: Review the meeting schedule.

Free Workshop

 

Our meeting board offers two types of sessions:

  1. 45-minute Interviewer Role: You act as the interviewer.
  2. 45-minute Interviewee Role: You act as the interviewee.

Free Workshop

 

2. Invite Partner In this option, you can invite a specific partner for the meeting.

Free Workshop

 

Step 1: Select the candidate: Find a suitable case interview partner from our candidate listing.

Free Workshop

 

Step 2: Click on Invite Partner: Send an invitation to your selected partner.

Free Workshop

 

Step 3: Create the meeting: Choose the date, time, and case for the meeting.

Step 4: Meeting Scheduled: Wait for your partner to attend the meeting.

Free Workshop


 

  • Video Resources: 

Benefit from detailed video guides by mentor Shubham Aggrawal, covering every aspect of the interview process, from case structuring to the final presentation.

Free Workshop

 

  • Articles: 

Access to articles for additional insights, strategies, and tips on various consulting topics, industry trends, and interview techniques.

 

By leveraging these resources, you'll be well-prepared for your management consultant interview. 

 

Remember, persistence and preparation are key. The process is highly competitive, but with dedication and strategic effort, you can increase your chances of securing a position at a Big 3 consulting firm.

 

Free Workshop

FAQs


TheConsulting.io, powered by Jobaaj, is an online platform designed to help candidates crack interviews at top consulting firms. It provides:

 

  • Practice Drills: Guesstimates, structure drills, calculations, chart analysis

  • Prep Cases: Real consulting case studies to simulate actual interviews

  • Peer-to-Peer Practice: Schedule mock interviews with fellow candidates

  • Performance Reports: Track your progress and improve weak areas

  • Video Resources: Learn from expert mentor Shubham Aggarwal

  • Articles & Tools: Stay updated on trends, resume tips, and industry knowledge

 

It’s ideal for students, working professionals, and MBA grads targeting Big 3 firms.


Peer-to-Peer Practice allows you to:

  • Join a live meeting board and pair with other candidates

  • Practice in interviewer or interviewee roles for 45-minute sessions

  • Schedule open interviews or invite specific partners

  • Sharpen your skills and gain constructive feedback in real-time

 

This interactive setup mimics actual case interview dynamics and boosts confidence.


The platform offers a variety of focused drills:

 

  • Calculation Drills: Percentages, fractions, simplifications, with time-based challenges

  • Structure Drills: Practice building structured responses under timed settings

  • Subjective Drills: Think through business problems and articulate answers

  • Chart Drills: Analyze data charts and solve MCQs or reasoning-based questions

  • Guesstimates: Estimate market sizes, user counts, revenues, etc.

 

Each drill simulates actual interview stress and provides immediate performance feedback.


To land a job at the Big 3 consulting firms in 2025—McKinsey, BCG, and Bain—you need a strategic combination of strong academics, structured preparation, and exceptional interview performance. Here's how:

 

  • Build a consulting-optimized resume and LinkedIn profile

  • Master the art of case interviews and guesstimates

  • Practice problem-solving and chart interpretation

  • Enroll in platforms like TheConsulting.io for hands-on drills and mock sessions

  • Apply early, especially if you're from target schools or have consulting internships

 

Preparation, consistency, and networking play crucial roles in cracking Big 3 roles.


The Prep Cases section includes:

 

  • Essential consulting cases aligned with BCG, McKinsey, and Bain formats

  • Step-by-step case prompts with real-world business scenarios

  • Tools to structure your response, present findings, and analyze outcomes

  • Self-assessment options to fine-tune your answers

 

Practicing these cases builds your problem-solving, business acumen, and interview presence.


TheConsulting.io offers three subscription plans:

 

  • Basic Plan: 1 month – Ideal for last-minute preparation

  • Intermediate Plan: 3 months – Balanced timeline for steady learning

  • Advanced Plan: 6 months – Best for early planners and deep prep

 

Each plan unlocks access to drills, peer practice, video content, and resources depending on the tier.


Shubham Aggarwal is a seasoned mentor and the face behind TheConsulting.io’s expert resources. His content includes:

 

  • Video guides on case structuring, interview techniques, and mental math

  • Step-by-step walkthroughs for solving tough consulting problems

  • Strategies for building consulting resumes and acing behavioral rounds

 

He brings real consulting experience and simplifies complex preparation topics for learners.

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