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LEK Operations Cases: Complete Guide

Official: LEK Careers ↗

Updated June 2026·12 min read

Frequency

occasional

Math Intensity

medium

Structure

high

Creativity

low

Operations at LEK: What to Expect

Operations cases are occasional at LEK. As an candidate-led firm, LEK expects you to drive the case independently, demonstrating ownership of your analysis and recommendations. Structure is critical for these cases.

What Operations Cases Test

Process thinking, bottleneck identification, efficiency analysis, implementation planning, and practical problem-solving.

Common Scenarios

  • •How can we reduce operational costs?
  • •How do we improve supply chain efficiency?
  • •Where are the bottlenecks in our process?
  • •How do we increase capacity?
  • •Should we outsource or insource operations?

How LEK Approaches Operations Cases

LEK operations cases focus on strategic operations decisions in investment contexts.

Common Twists at LEK

  • •Operational due diligence
  • •Cost improvement potential
  • •Capacity analysis
  • •Supply chain assessment

What LEK Evaluates

Investment relevance
Value creation potential
Risk identification
Implementation feasibility

Example Operations Case Prompts

Practice with these operations case prompts similar to what you might encounter at LEK:

Example 1

Our client is a manufacturer experiencing frequent stockouts while also holding excess inventory. How can they improve their supply chain?

Example 2

A hospital wants to reduce patient wait times in their emergency department. Where should they focus?

Example 3

Our client's fulfillment center is struggling to meet delivery time commitments. How can they improve operations?

Example 4

A retail chain wants to evaluate whether to insource or outsource their logistics operations. How should they decide?

Example 5

Our client's manufacturing plant is running at 95% capacity but cannot meet demand. What are their options?

Key Frameworks for Operations Cases

These frameworks are particularly effective for operations cases at LEK:

1Process mapping and flow analysis
2Capacity and utilization analysis
3Make vs buy decisions
4Supply chain optimization
5Lean/Six Sigma principles

Practice Tips for LEK

LEK operations cases require systematic process thinking. Focus on identifying bottlenecks and quantifying improvement potential. Drive the analysis with clear hypotheses about where value can be captured. Practice process mapping and efficiency calculations.

Drill this case type with a voice interviewer

Run a LEK-style case live and get graded feedback on exactly this skill.

  • A live case run by a voice interviewer — speak, don't type
  • A scored five-skill report: structure, math, judgment, synthesis, communication
  • Your weakest skill diagnosed, with a plan sized in sessions, not vague advice

Free to start · No card required

Frequently Asked Questions

How common are Operations cases at LEK?
Operations cases are occasional at LEK. LEK operations cases focus on strategic operations decisions in investment contexts. Prepare for these cases as part of your overall interview readiness.
What frameworks work best for LEK Operations cases?
For LEK Operations cases, the most effective frameworks include: Process mapping and flow analysis, Capacity and utilization analysis, Make vs buy decisions. Customize your framework to the specific case rather than applying a generic structure.
How is LEK's approach to Operations cases different from other firms?
LEK Operations cases are distinctive because LEK operations cases focus on strategic operations decisions in investment contexts.. Common twists include: Operational due diligence and Cost improvement potential. Focus on Investment relevance to stand out.
What math should I expect in LEK Operations cases?
Operations cases have medium math intensity. At LEK, expect moderate calculations including basic financial analysis and impact sizing.
How should I allocate time during a LEK Operations case?
For a typical 45-60 minutes LEK interview, allocate roughly: 2-3 minutes for initial structuring, 10-15 minutes for analysis and calculations, and 3-5 minutes for synthesis and recommendation. Manage your time proactively to ensure you reach a clear recommendation.

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