Career Hacks

ADAN Career Hack: Consulting

ADAN Editorial

February 15, 2026

3 min read

📰

We've been delving into the consulting world, even discussing a role model. And guess what? We're not done! We're now giving you Career Hacks about the contrasts between Big 4 and Big 3 consulting firms, application process differences, and free online courses to boost your CV.

Difference Between Big 3 (MBB) and Big 4

In the consulting industry, two main leader categories exist: Big Three (MBB) and Big Four. The Big Three—McKinsey & Company, BCG, and Bain & Company—are known for strategic advice, while the Big Four (EY, PwC, Deloitte, KPMG) offer global strategic consulting along with their accounting services. The Big Three focus on C-suite, while the Big Four serve various levels, both leveraging deep industry knowledge.

Recruitment approaches differ within the Big Three (MBB) and the Big Four due to the distinctions in their services. MBB prioritizes recruiting strategic minds using case interviews. On the other hand, the Big Four places emphasis on a broad range of skills and backgrounds, assessing adaptability through a combination of technical and behavioral interviews.

Enhancing CV and Knowledge

Industry internships expand practical knowledge, while consulting projects demonstrate experience. Develop soft skills like teamwork through workshops and extracurriculars. Strengthen your CV with courses in data analysis, project management, communication, and tools like Excel and PowerPoint. Here are recommended courses for a well-rounded skill set.

Career Hacks Workplace Culture Inclusion

About ADAN Editorial

Our editorial team shares actionable insights on career growth, inclusive hiring, and workplace culture for professionals and employers in Germany.

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