Investment Banking Summer Analyst Internship - 2027

William Blair’s investment banking group enables corporations, financial sponsors, and owner/entrepreneurs around the world to achieve their growth, liquidity, and financing objectives. Our global footprint provides opportunities to deliver highly strategic advice to market-leading companies around the world. We provide the industry’s brightest minds with the opportunity to thrive in an energetic, entrepreneurial environment and team-oriented culture.

As a summer analyst at William Blair you will have the opportunity to harness your potential by being part of a culture of collaboration and accountability that offers compelling work and direct client exposure from the very beginning. Your personal and professional growth will be accelerated by working alongside senior bankers who have a vested interest in your development. We know you have choices on how you spend your summer but encourage you to apply for William Blair’s 2027 Summer Analyst Programme and be part of an organization that fosters innovation and invests in our most important asset, our people.

Job Summary & Responsibilities

• Unique opportunity to work alongside current analysts, associates, and senior bankers over the course of a 9-week programme
• Opportunity to work within one of our four main advisory sector teams: Healthcare, Technology, Services & Industrials and Consumer Products & Services.
• Take on all functions of a full-time analyst
  • Direct client exposure
  • Opportunity to harness your potential
  • Work alongside and support senior bankers in research and creation of pitch materials
  • Build financial model to value potential clients
  • Researching industries or sectors in targeting certain clients or industries
  • Play integral role in various deals
• Energetic, entrepreneurial environment
• Team-oriented culture focused on client service excellence
• 100% owned by active partners
• Focused on developing highly talented people who want to build a long-term career and have an immediate impact

Qualifications

• Pursuing bachelor's or master's degree with anticipated graduation between November 2027 to June 2028
• Bachelor and master’s degree: all subjects considered
• General understanding of accounting and finance principles
• Strong analytical and quantitative skills
• Exceptional verbal and written communication skills
• Strong computer skills, specifically Microsoft Excel, Word, and PowerPoint
• You are adaptable in an ever-changing environment and can manage through change with a high degree of emotional maturity
• You are highly motivated, detail oriented, and thrive in a collaborative environment
• Fluent in English is essential
• Fluency in Italian, Spanish, German or Dutch language is highly desired

Additional Information

• Throughout the 9-week programme, summer analysts are evaluated for opportunities in our full-time class, upon graduation

Application Process

• Application window is open until 2nd October 2026
• Those eligible will be asked to complete an online assessment run by our assessment partner, SHL
• Interviews & Assessment centers, either in person or virtual, will be completed by end of November 2026 
• The 9 week Summer Analyst programme will run between June & August 2027