Financial Due Diligence Intern - Summer 2027

Grant Thornton (US); New York (NY); Hybrid; USD 52,000 - 58,000; Full time

Benefits offered by this job

Health insurance

Paid sick leave

Paid holidays

401(k) plan

Job summary

Grant Thornton (US) is seeking an intern for Transaction Advisory (M&A) in New York. You will support financial due diligence from planning through completion, working with staff, managers, and partners across service lines to deliver data-driven insights for sell-side and buy-side engagements.

You’ll gain hands-on experience building Excel models, analyzing large datasets, and communicating findings to deal teams.

Qualifications

• Pursuing a Bachelor’s or Master’s degree in Accounting
• Minimum overall GPA of 3.0/4.0
• Willingness to work additional hours and travel to client sites
• Excellent analytical, written and verbal communication and interpersonal skills
• Strong proficiency in Excel, PowerPoint and Word
• Ability to analyze and summarize financial information and large datasets
• Demonstrated project management and time management skills
• Authorized to work in the U.S. without visa sponsorship now or in the future

Responsibilities

• Support financial due diligence engagements from planning through completion
• Work on multiple M&A transactions across industries
• Attend client meetings and interact with target management and bankers
• Manage data flow and monitor dataroom activity
• Build analysis packages (e.g., Excel models) with guidance
• Develop insights for clients and support deal process timelines
• Engage in mentoring and professional development activities
• Participate in networking and community outreach

Skills

Excel

PowerPoint

Word

Analytical skills

Communication skills

Interpersonal skills

Education

Bachelor’s or Master’s degree in Accounting

Tools

Microsoft Excel

PowerPoint

Word

Job description

Job Description

Transaction Advisory (aka Mergers & Acquisitions Advisory) encompasses all aspects of an M&A transaction from financial, tax and operational due diligence, to planning for and executing integrations and separations. Our Transaction Advisory services provide a holistic business approach to financial, human capital, supply chain, and IT due diligence disciplines, as well as comprehensive transaction management services that unite our diligence findings into actionable deal close planning. The Transaction Advisory intern is primarily responsible for working on financial due diligence engagements from start to finish, performing a variety of tasks in planning, execution, and completion phases of projects. The Transaction Advisory intern is also expected to learn to apply fundamental financial due diligence skills on assignments for both sell-side and buy-side clients from a variety of industries. The intern will work closely with staff, managers, and partners across service lines to provide services needed by examining and uncovering the detailed answers to complex questions about acquisitions and divestitures.

Your day-to-day may include:

• Working on a variety of M&A transactions in varying industries (e.g., tech, professional services, consumer industrial goods, energy, retail and more)
• Attend and participate in meetings with the clients, target company management, private equity firms and investment bankers
• Manage data flow and monitor the dataroom
• Work with the offshore support team to build out an analysis package (e.g., excel model) to analyze and interpret financial data
• Build custom analyses with the guidance of Managers and Directors to identify key insights for our clients
• Drive forward the deal process, frequently communicating with key parties and managing internal and external deadlines.
• Sharpening your leadership and client communication skills
• In addition to deal execution, interns will also be involved in the following:
  • Networking with your peers and connecting with other Grant Thornton employees through social events and team-building exercises
  • Meeting with your mentor for regular feedback and professional development discussions
  • Giving back to the community through outreach activities

You have the following technical skills or qualifications:

• Pursuing a Bachelor’s or Master’s degree in Accounting
• Minimum overall GPA of 3.0/4.0
• The willingness and ability to work additional hours, as needed, and travel to various client sites
• Excellent analytical, communication (written and verbal) and interpersonal skills
• Strong proficiency in Microsoft Excel, PowerPoint and Word.
• Ability to analyze, interpret and summarize financial information and large datasets
• Strong technical aptitude and skillset
• Demonstrated project management skillset including project planning and time management
• Ability to work efficiently and effectively in a complex team environment
• Must be authorized to work in the U.S. without the need for employment-based visa sponsorship now or in the future. No visa sponsorship is available for this position.

The pay rate for this position in the firm’s New York, Manhattan office is $40 per hour.

About Us

At Grant Thornton, we believe in making business more personal and building trust into every result – for our clients and you. Here, we go beyond your expectations of a career in professional services by offering a career path with more: more opportunity, more flexibility, and more support. It’s what makes us different, and we think being different makes us better.

In the U.S., Grant Thornton delivers professional services through two specialized entities: Grant Thornton LLP, a licensed, certified public accounting (CPA) firm that provides audit and assurance services ― and Grant Thornton Advisors LLC (not a licensed CPA firm), which exclusively provides non-attest offerings, including tax and advisory services.

In 2025, Grant Thornton formed a multinational, multidisciplinary platform with Grant Thornton Ireland. The platform offers a premier Trans-Atlantic advisory and tax practice, as well as independent American and Irish audit practices. With $2.7 billion in revenues and more than 50 offices spanning the U.S., Ireland and other territories, the platform delivers a singular client experience that includes enhanced solutions and capabilities, backed by powerful technologies and a roster of 12,000 quality-driven professionals enjoying exceptional career-growth opportunities and a distinctive cross-border culture.

Grant Thornton is part of the Grant Thornton International Limited network, which provides access to its member firms in more than 150 global markets.

About The Team

The team you’re about to join is ready to help you thrive. Here’s how:

• Whether it’s your work location, weekly schedule, or flex time off, we empower you with the options to work the way that it best serves your clients and your life. Consistent with the firm’s hybrid work model, this position will require in-person attendance at least three days per week, either at a GT office or client site.
• Here, you are supported to prioritize your overall well-being through work-life integration options that work best for you and those in your household.
• We understand that your needs, responsibilities and experiences are different — and we think that’s a good thing. That’s why we support you with personalized and comprehensive benefits that recognize and empower all the identities, roles and aspirations that make you, well, you. See how at www.gt.com/careers
• When it comes to inclusion, we are committed to doing more than checking boxes. Explore all the ways we’re taking action for diversity, equity & inclusion at www.gt.com/careers

Benefits:

We understand that your needs, responsibilities and experiences are different, and we think that’s a good thing. That’s why we support you with personalized and comprehensive benefits that recognize and empower all the identities, roles and aspirations that make you, well, you. For an overview of our benefit offerings, please visit: https://www.grantthornton.com/careers/rewards-and-benefits

• Benefits for internship positions: Grant Thornton interns are eligible to participate in the firm’s medical, dental and vision insurance programs and the firm’s employee assistance program. Interns also receive a minimum of 72 hours of paid sick leave, and are paid for firm holidays that fall within their internship period.
• Benefits for seasonal employee positions: Grant Thornton seasonal employees are eligible to participate in the firm’s medical, dental and vision insurance programs and the firm’s employee assistance program. Seasonal employees may also be eligible to participate in the firm’s 401(k) savings plan and employee retirement plan in accordance with applicable plan terms and eligibility requirements. Seasonal employees receive a minimum of 72 hours of paid sick leave.

Grant Thornton employees may be eligible for a discretionary, annual bonus based on individual and firm performance, subject to the terms, conditions and eligibility criteria of the applicable bonus plan or program. Interns and seasonal employees are not eligible for bonus compensation.

Additional Details:

It is the policy of Grant Thornton to promote equal employment opportunities. All personnel decisions (including, but not limited to, recruiting, hiring, training, working conditions, promotion, transfer, compensation, benefits, evaluations, and termination) are made without regard to race, color, religion, national origin, sex, age, marital or civil union status, pregnancy or pregnancy-related condition, sexual orientation, gender identity or expression, citizenship status, veteran status, disability, handicap, genetic predisposition or any other characteristic protected by applicable federal, state, or local law.

Consistent with the Americans with Disabilities Act (ADA) and applicable state and local laws, it is the policy of Grant Thornton LLP to provide reasonable accommodation when requested by a qualified applicant or employee with a disability, unless such accommodation would cause an undue hardship. The policy regarding requests for reasonable accommodation applies to all aspects of employment, including the application process. To make an accommodation request, please contact [e-mail].

For Los Angeles Applicants only: We will consider for employment all qualified Applicants, including those with Criminal Histories, in a manner consistent with the requirements of applicable state and local laws, including the City of Los Angeles’ Fair Chance Initiative for Hiring Ordinance.

For Massachusetts Applicants only: It is unlawful in Massachusetts to require or administer a lie detector test as condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability. Gran Thornton does not require or administer lie detector tests as a condition of employments or continued employment.