Skip to content
CaseStar
All Case Types

Deloitte S&O Mergers & Acquisitions Cases: Complete Guide

Official: Deloitte S&O Careers ↗

Updated June 2026·12 min read

Frequency

common

Math Intensity

high

Structure

high

Creativity

low

Mergers & Acquisitions at Deloitte S&O: What to Expect

Mergers & Acquisitions cases are common at Deloitte S&O. As an candidate-led firm, Deloitte S&O expects you to drive the case independently, demonstrating ownership of your analysis and recommendations. Structure is critical for these cases.

What Mergers & Acquisitions Cases Test

Strategic rationale assessment, financial analysis, synergy identification, risk evaluation, and integration planning.

Common Scenarios

  • •Should we acquire this target company?
  • •What is a fair valuation for the target?
  • •What synergies can we capture?
  • •Should we divest this business unit?
  • •How should we structure the deal?

How Deloitte S&O Approaches Mergers & Acquisitions Cases

Deloitte S&O M&A cases draw on the firm's deals practice. Expect integration planning and operating model design elements.

Common Twists at Deloitte S&O

  • •Integration operating model
  • •Technology integration
  • •Day 1 readiness
  • •Synergy capture planning

What Deloitte S&O Evaluates

Integration focus
Operating model clarity
Synergy realism
Implementation roadmap

Example Mergers & Acquisitions Case Prompts

Practice with these mergers & acquisitions case prompts similar to what you might encounter at Deloitte S&O:

Example 1

Our client, a large pharmaceutical company, is considering acquiring a biotech startup specializing in gene therapy. Should they proceed?

Example 2

A private equity firm is evaluating the acquisition of a regional hospital chain. What due diligence questions should they focus on?

Example 3

Our client is a major bank considering acquiring a fintech payment platform. Evaluate the strategic rationale.

Example 4

A consumer goods company wants to acquire a direct-to-consumer brand. What synergies might exist?

Example 5

Our client is considering a merger with a competitor. How should they evaluate the opportunity?

Key Frameworks for Mergers & Acquisitions Cases

These frameworks are particularly effective for mergers & acquisitions cases at Deloitte S&O:

1Strategic rationale (why this deal?)
2Target assessment (standalone value)
3Synergy analysis (revenue and cost)
4Valuation approaches (DCF, multiples)
5Integration planning and risks

Practice Tips for Deloitte S&O

Deloitte S&O M&A cases require strong strategic thinking combined with financial rigor. Focus on articulating the strategic rationale before diving into synergy numbers. Structure your due diligence comprehensively and build a clear investment thesis. Practice valuation concepts and synergy quantification.

Drill this case type with a voice interviewer

Run a Deloitte S&O-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 Mergers & Acquisitions cases at Deloitte S&O?
Mergers & Acquisitions cases are common at Deloitte S&O. Deloitte S&O M&A cases draw on the firm's deals practice. Prepare for these cases as part of your overall interview readiness.
What frameworks work best for Deloitte S&O Mergers & Acquisitions cases?
For Deloitte S&O Mergers & Acquisitions cases, the most effective frameworks include: Strategic rationale (why this deal?), Target assessment (standalone value), Synergy analysis (revenue and cost). Customize your framework to the specific case rather than applying a generic structure.
How is Deloitte S&O's approach to Mergers & Acquisitions cases different from other firms?
Deloitte S&O Mergers & Acquisitions cases are distinctive because Deloitte S&O M&A cases draw on the firm's deals practice. Expect integration planning and operating model design elements.. Common twists include: Integration operating model and Technology integration. Focus on Integration focus to stand out.
What math should I expect in Deloitte S&O Mergers & Acquisitions cases?
Mergers & Acquisitions cases have high math intensity. At Deloitte S&O, expect significant quantitative analysis including market sizing calculations, financial projections, and impact quantification.
How should I allocate time during a Deloitte S&O Mergers & Acquisitions case?
For a typical 45-60 minutes Deloitte S&O interview, allocate roughly: 2-3 minutes for initial structuring, 15-20 minutes for analysis and calculations, and 3-5 minutes for synthesis and recommendation. Manage your time proactively to ensure you reach a clear recommendation.

Explore More

Related Guides