EY (Ernst & Young) Interview Questions

Last Updated : 6 Aug, 2025

EY is one of the “Big Four” accounting organizations and the largest professional services network in the world by revenue and number of professionals. EY offers many technical roles in the areas of auditing, tax, consulting, and technology. Interviews for technical profiles can be challenging, but with the right preparation, you can increase your chances of success.

This article provides a list of popular EY technical interview questions and answers that have been asked in many technical profiles at the company. Read the complete article to gain a better understanding of what to expect in the interview.

👁 EY-Ernst

Table of Content

Recruitment Process

To know more about EY (Ernst & Young) Hiring Process please check out EY (Ernst & Young) Recruitment Process

DSA Problems

Preparing for a Data Structures and Algorithms (DSA) interview at EY (Ernst & Young) can be challenging but rewarding. To help you get ready, we've compiled a list of commonly asked DSA questions along with tips on how to approach them effectively.

Problems	Practice
Find the Missing Number	Try it
Reverse a Linked List	Try it
Merge Intervals	Try it
Depth-First Search (DFS)	Try it
Implement Queue using Stacks	Try it
Longest Common Subsequence	Try it
Kadane’s Algorithm	Try it
Binary Tree Inorder Traversal	Try it
Two Sum	Try it
Subarray Sum Equals K	Try it
Search in Rotated Sorted Array	Try it
Lowest Common Ancestor	Try it
Group Anagrams	Try it
Sliding Window Maximum	Try it
Edit Distance	Try it
Quick Sort	Try it
Next Greater Element	Try it
Top K Frequent Elements	Try it
Palindrome Linked List	Try it
Valid Parentheses	Try it
Number of Islands	Try it
House Robber	Try it
Merge Two Sorted Lists	Try it
Longest Increasing Subsequence	Try it
Best Time to Buy and Sell Stock	Try it
Clone Graph	Try it
Invert Binary Tree	Try it
Course Schedule	Try it
Median of Two Sorted Arrays	Try it
Binary Search	Try it
Detect a Cycle in a Linked List	Try it
Subarray Sum Equals K	Try it
Trapping Rain Water	Try it
0/1 Knapsack Problem	Try it
Serialize and Deserialize Binary Tree	Try it
Find Peak Element	Try it
Minimum Window Substring	Try it
Validate Binary Search Tree	Try it
Remove Nth Node From End	Try it
Min Stack	Try it

Tips for Answering EY Interview Questions

Research the Company:
- Understand EY's mission, values, and recent developments. Familiarize yourself with their services, industry position, and any recent news or projects.
Understand the Role:
- Review the job description thoroughly and understand the key responsibilities and required skills. Be prepared to discuss how your experience and skills align with the role.
Practice Common Interview Questions:
- Practice answering common technical, behavioral, and situational interview questions. Use the STAR method (Situation, Task, Action, Result) for structuring your responses.