Not all consulting firms are the same
MBB, Big 4 strategy arms, and elite boutiques each have distinct cultures, interview styles, and specializations. Knowing the difference is your first competitive edge.
McKinsey
“Helping create positive, enduring change in the world”
The world's most prestigious management consulting firm. Known for top-down, CEO-level strategic advisory and producing a disproportionate number of Fortune 500 CEOs.
- Corporate Strategy
- Operations
- Digital & AI
- Organization & People
- Financial Services
- Healthcare & Pharma
- Energy & Materials
- Technology
Interviewer-led cases — the interviewer guides you through structured questions. Paired with the Personal Experience Interview (PEI), which carries equal weight.
BCG
“Unlocking the potential of those who advance the world”
Pioneered the growth-share matrix. Considered the most intellectually rigorous of the MBB firms, with deep expertise in strategy and innovation.
- Corporate Strategy
- Digital Transformation & AI
- M&A and PMI
- Sustainability & Climate
- Technology & Telecom
- Consumer & Retail
- Financial Institutions
- Healthcare
Candidate-led cases — you drive the entire analysis from structuring to recommendation. Final rounds feature conversational partner interviews that challenge assumptions.
Bain
“Results, not reports”
Famous for its results-oriented culture and private equity expertise. Consistently ranks #1 on 'Best Places to Work' and ties fees to client outcomes.
- Private Equity & Investor Services
- Performance Improvement
- Corporate Strategy
- Customer Strategy & Marketing
- Private Equity
- Retail & Consumer
- Technology
- Healthcare & Life Sciences
Candidate-led cases with a collaborative, conversational tone. Short behavioral portion (~5 min) but cultural fit matters greatly. Cases emphasize practical, execution-oriented thinking.
Deloitte
Monitor Deloitte
“Making an impact that matters”
The largest professional services firm in the world. Monitor Deloitte combines Michael Porter's Monitor Group legacy with Deloitte's massive implementation scale.
- Strategy (Monitor Deloitte)
- M&A / Corporate Finance
- Technology & Digital
- Human Capital & Org Design
- Government & Public Sector
- Financial Services
- Technology & Telecom
- Life Sciences & Healthcare
Candidate-led cases plus group case interviews in ~80% of final rounds. Groups of ~5 candidates solve a problem together while being observed.
PwC
Strategy&
“The right problems. Solved.”
Strategy& carries the intellectual heritage of Booz & Company (founded 1914, the oldest strategy consultancy). Known for capabilities-driven strategy and 'Fit for Growth' methodology.
- Capabilities-Driven Strategy
- Deals Strategy & Due Diligence
- Transformation & Cost Restructuring
- Digital & Analytics Strategy
- Financial Services
- Energy & Utilities
- Healthcare
- Industrial & Automotive
Candidate-led cases with a business-practical feel. Cases frequently center on transformation and cost restructuring. More emphasis on financial logic than theoretical frameworks.
EY
EY-Parthenon
“Building a better working world”
The fastest-growing Big 4 strategy arm, built from acquiring Parthenon Group in 2014. Particularly strong in education, PE due diligence, and transaction advisory.
- Corporate & Growth Strategy
- Transaction Strategy & Execution
- Restructuring & Turnaround
- Strategy for Private Equity
- Education
- Private Equity & Transactions
- Health Sciences
- Technology
Candidate-led cases with a strong emphasis on investment logic. Cases frequently have a PE flavor — assessing market attractiveness, evaluating acquisitions, and modeling financial upside.
KPMG
KPMG Strategy
“Inspire confidence. Empower change.”
Growing through heavy investment in AI and managed services. Particularly strong in financial services regulation, government advisory, and tax-related strategic consulting.
- Business Strategy & Transformation
- M&A Strategy
- Operations & Supply Chain
- Risk & Regulatory Strategy
- Financial Services & Banking
- Government & Public Sector
- Energy & Natural Resources
- Healthcare
More weight on behavioral (50-75%) than other firms. Final rounds often include a written case assessment — analyzing a 20-40 page data packet and presenting slides.
Oliver Wyman
“A global leader in management consulting”
The dominant financial services strategy consultancy. Part of Marsh McLennan, known for deep quantitative rigor and industry specialization in banking, insurance, and risk.
- Financial Services Strategy
- Risk Management & Actuarial
- Operations & Org Effectiveness
- Digital & Analytics
- Banking & Financial Services
- Insurance & Risk
- Transportation & Aviation
- Energy
Candidate-led cases with significantly heavier emphasis on quantitative analysis. Expect detailed numerical data, financial modeling, and math-intensive problems.
Kearney
“Essential rightness”
Shares a founder with McKinsey. Deep expertise in supply chain, procurement, and operations — especially in industrial and manufacturing sectors.
- Operations & Supply Chain
- Procurement & Analytics
- Strategy & Transformation
- Digital & Innovation
- Automotive & Industrial
- Consumer & Retail
- Energy & Utilities
- Aerospace & Defense
Candidate-led, data-heavy cases that emphasize practical operations problems. Mental math fluency is critical — expect quick, accurate calculations under pressure.
L.E.K.
“Sharpening competitive advantage”
Founded by three former Bain partners. A pure-play strategy firm renowned for market sizing, commercial due diligence, and private equity advisory.
- M&A & Commercial Due Diligence
- Growth Strategy
- Market & Customer Insights
- Pricing & Revenue Management
- Life Sciences & Pharma
- Private Equity
- Retail & Consumer
- MedTech & Healthcare
Candidate-led cases based on real engagements with heavy emphasis on market sizing and data synthesis. More quantitative than typical MBB cases.
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