L.E.K. Consulting Summer Intern Interview: Complete Guide
Updated January 2026·10 min read
Rounds
2 rounds
Duration
45-60 minutes
Prep Time
3-6 weeks
Key Insight: Candidate-Led Format
LEK uses a candidate-led format where you drive the case from start to finish. You'll need to structure your own approach and decide what to analyze next. For Summer Intern candidates, this means showing strong foundational structuring skills and proactive hypothesis generation.
What Summer Interns Do at LEK
Summer internship program for undergraduate or MBA students. Interns work on real client projects for 8-10 weeks with the goal of receiving a full-time return offer.
- •Supporting case team analysis
- •Attending client meetings
- •Building slides and models
- •Learning consulting methodology
- •Networking with firm members
Interview Process
As an intern candidate at LEK, you'll typically face a condensed process:
- •1-2 case interviews (often combined into one super-day)
- •Shorter cases focused on fundamentals
- •Less emphasis on behavioral depth, more on potential
Skills Tested
Potential
Analytical basics
Learning agility
Cultural fit
What Makes LEK Different
Private Equity Focus
A key element of the LEK interview process.
Strategic Due Diligence
A key element of the LEK interview process.
Market Assessment
A key element of the LEK interview process.
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Start PracticingFrequently Asked Questions
How many interview rounds are there for LEK Summer Intern?
LEK typically conducts 2 rounds of interviews for Summer Intern candidates. Each round is approximately 45-60 minutes and includes both case and behavioral components. Internship interviews may be condensed into a single day.
What type of cases should I expect in a LEK Summer Intern interview?
LEK uses an candidate-led case format. Candidate-led format with emphasis on strategic due diligence and market assessment. Cases often involve private equity contexts and growth strategy. For Summer Intern positions, interviewers will calibrate case difficulty to your experience level, emphasizing basic analytical skills.
How long should I prepare for a LEK Summer Intern interview?
Most successful Summer Intern candidates prepare for 3-6 weeks before their LEK interview. This includes mastering candidate-led cases, practicing mental math, and preparing behavioral examples.
What is unique about LEK's interview process?
LEK is known for its Private Equity Focus as well as Strategic Due Diligence and Market Assessment. Experience-based behavioral interview assessing leadership, impact, and collaborative problem-solving abilities. For Summer Intern candidates specifically, focus on demonstrating potential and learning agility.
What does a Summer Intern do at LEK?
Summer internship program for undergraduate or MBA students. Interns work on real client projects for 8-10 weeks with the goal of receiving a full-time return offer. Day-to-day responsibilities include supporting case team analysis, attending client meetings, building slides and models. The role targets current undergraduate or mba students.