What to expect from modelling tests in buy side interviews

Competition for buy-side investment roles remains high, particularly across private equity, hedge funds, and specialist asset managers. As firms look beyond academic credentials and transaction experience, technical assessments have become an increasingly important part of the interview process. Financial modeling tests allow hiring managers to evaluate technical ability, commercial judgment, investment thinking, and how candidates perform under pressure.

Whether you’re interviewing for a role in private equity, hedge funds, or asset management, modeling exercises give hiring managers insight into how candidates approach problems, interpret financial information, make commercial judgments, and perform under time pressure.

Types of modeling tests candidates may face

Most buy-side firms tailor modeling assessments to the role they’re hiring for, as well as their own corporate culture, so no two exercises will be exactly the same. However, there are a few common formats candidates are likely to encounter.

Leveraged buyout (LBO) models

In an LBO, candidates may be asked to build a model from scratch or complete an existing template, assessing a target company’s financial performance, financing structure, debt repayment profile, and projected investor returns. LBO modeling tests are particularly common in private equity recruiting.

Interviewers often evaluate not only if the model functions correctly, but also if the assumptions are realistic and the outputs are presented clearly and logically.

Discounted cash flow (DCF) analysis

DCF exercises test a candidate’s understanding of valuation fundamentals. Candidates are expected to forecast free cash flows, calculate terminal value, determine an appropriate discount rate, and arrive at an enterprise valuation.

Strong candidates can demonstrate an understanding of the commercial assumptions that support the valuation, rather than simply applying formulas.

Merger and acquisition models

These models often test both technical knowledge and the ability to interpret how strategic decisions affect shareholder value. Some firms use merger modeling exercises to test a candidate’s understanding of acquisition analysis, transaction synergies, accretion and dilution, financing structures, and combined financial performance.

Operating models

Operating models focus on forecasting a company’s future financial performance based on operational assumptions. Candidates may need to build revenue forecasts, project margins, model capital expenditures, or assess working capital movements.

These exercises are particularly common in investment teams that provide detailed company analysis for their clients.

Investment case studies

Many buy-side firms combine financial modeling with broader investment case studies. Candidates may receive an example company information pack and be asked to build supporting analysis before presenting an investment recommendation.

In many firms, the recommendation carries just as much weight as the model itself.

These assessments evaluate commercial thinking alongside technical modeling ability, requiring candidates to justify assumptions and communicate conclusions clearly.

Different assessment formats

As mentioned above, different firms structure their modeling assessments differently, but common formats include:

• Timed Excel exercises completed during interviews
• Take-home modeling assignments with deadlines
• Live modeling sessions where interviewers observe the candidate’s approach
• Walkthrough exercises where candidates explain an existing model and discuss their assumptions

Key skills being assessed

While financial modeling sits at the center of these exercises, interviewers evaluate a much broader range of capabilities.

Financial analysis

Candidates are expected to understand accounting relationships, valuation methodologies, financial statements, and key investment metrics.

Attention to detail

Interviewers often assess if candidates check formulas carefully, maintain consistent assumptions, and identify inconsistencies before submitting their work.

Commercial judgment

Candidates should demonstrate thoughtful assumptions, realistic forecasts, and an ability to identify the key drivers influencing investment performance.

Efficiency

Many modeling tests are completed under time limits. Interviewers use these time constraints to look for candidates who can build robust models efficiently without sacrificing accuracy.

Organization and presentation

A well-structured model is easier to review and reflects disciplined thinking. Logical tab structure, consistent formatting, clearly labeled assumptions, and transparent calculations all contribute to a stronger assessment.

Communication

Candidates are often asked to explain modeling decisions, defend assumptions, or discuss alternative scenarios. Being able to articulate the reasoning behind a model is often just as important as producing accurate outputs.

How professionals can prepare

Preparing for modeling tests helps candidates develop both technical ability and confidence in interview conditions.

Practice timed modeling exercises

Time pressure is a defining feature of most modeling assessments. Completing full modeling exercises within strict time limits helps you develop a structured approach, prioritize high-value tasks, and identify where your modeling process slows down. Reviewing completed models afterward also highlights recurring errors and opportunities to improve efficiency.

Refresh accounting and valuation fundamentals

Strong financial modeling relies on a solid understanding of accounting and valuation principles. Review the links between the three financial statements, enterprise value versus equity value, valuation methodologies, working capital, and financial forecasting. A stronger grasp of these concepts reduces the risk of errors and makes it easier to explain your assumptions during technical interviews.

Improve Excel efficiency

Efficient Excel skills can make a significant difference in a timed assessment. Become comfortable using keyboard shortcuts, formula auditing tools, named ranges, and consistent formatting standards. Faster model construction leaves more time to sanity-check outputs, test assumptions, and refine your analysis.

Complete mock investment case studies

Many buy-side interviews assess investment judgment alongside modeling ability. Working through realistic case studies that require financial analysis, valuation, and an investment recommendation helps you develop the commercial thinking expected during these assessments.

Research the firm’s investment strategy

Technical assessments often reflect a firm’s investment approach. Research its investment focus, sector preferences, and transaction history before the interview. A private equity firm specializing in leveraged buyouts is likely to test different modeling skills than a long-only asset manager, credit investor, or distressed debt fund. Tailoring your preparation helps you focus on the techniques most relevant to the role.

Common challenges and mistakes

Even experienced candidates face difficulties during modeling tests, but recognizing common pitfalls can help improve performance.

Running out of time

One of the most common mistakes is spending too long perfecting early sections of the model before reaching the final outputs. Candidates should try to maintain steady progress and leave time to review formulas and check assumptions.

Overcomplicating the model

Candidates sometimes introduce unnecessary complexity to try to impress interviewers. In most cases, a clean, accurate, and logically structured model is best.

Formula errors

Broken links, inconsistent references, hard-coded values, and circular calculations are all common issues. Checking for these before submitting can make a big difference.

Weak assumptions

Technical calculations need to be accompanied by commercially reasonable assumptions. The figures are not enough on their own.

Difficulty explaining decisions

A technically correct model loses value if the candidate cannot explain the thinking behind it. Interviewers want to understand why certain assumptions were used, how the candidate interpreted the information provided, and how they reached their final recommendation.

Candidates should be prepared to talk through their approach clearly, including any judgment calls, simplifications, and limitations in the model. Interviewers often place as much emphasis on a candidate’s reasoning as they do on the final model itself.

What happens after the test

The modeling assessment is usually just one stage of a wider interview process. Successful candidates often progress to behavioral interviews that explore teamwork, leadership, and motivation, alongside technical questioning that examines accounting knowledge, valuation concepts, and investment judgment.

Rather than evaluating modeling performance in isolation, firms consider how candidates combine competence with sound judgment, professionalism, and the ability to think clearly under pressure.

Strategic takeaways for candidates

Modeling tests give candidates an opportunity to demonstrate technical expertise, commercial thinking, and disciplined decision-making in realistic investment scenarios.

While technical knowledge provides the foundation, successful candidates combine strong modeling skills with commercial judgment, clear communication, and the ability to explain the rationale behind their assumptions. Preparation should therefore focus not only on building accurate models, but also on developing the confidence to discuss investment decisions under interview conditions.

Looking for your next buy-side opportunity?

Preparing for interviews is one of the best ways to improve your performance, but nothing replaces real interview experience. The more interview processes you complete, the more comfortable you’ll become with technical assessments, investment case studies, and discussing your approach under pressure.

If you’re actively looking for your next role in private equity, hedge funds, asset management, or investment management, submit your resume to our team. We’ll match your experience with current openings and upcoming opportunities, helping you access roles that align with your background and career goals.

Being involved in multiple interview processes not only increases your chances of securing the right position but also gives you valuable experience that can strengthen your performance in every subsequent interview.