Strategy Consultant Internship - Sustainability Advisory - Paris F/H (Sept 2026)

Description

Who we are:

Indefi is a fast-growing strategy consulting firm that serves financial investors (private equity specialists, generalist asset managers, wealth managers, etc.). Established in 2007, we are a team of 80+ consultants with offices in Paris, Lyon, Madrid and London.

We operate through three business units:

• Sustainability Advisory: We help our clients define and deliver their Responsible Investment strategy and operating model. We work across the value chain to support investors and portfolio companies in defining and embedding their chosen approach to ESG and sustainability impact.

• Private Equity: We help private equity firms make better investment decisions at every stage of the deal life cycle and build greater returns. We also advise on investment firm strategy and development, creating value through improved performance.

• Corporate Strategy: We conduct strategic development projects for global asset managers, including business strategy, market entry, distribution strategy, new product development, non-organic growth, and investment process enhancement.

We are looking for interns to join our dynamic Sustainability Advisory team, where we combine strategic insight with deep sustainability expertise to shape the future of finance.

Your Mission

Working under the guidance of a Senior Consultant, you will contribute to high-impact projects that span a wide range of complex sustainable finance topics for asset owners, asset managers, and portfolio companies. Your responsibilities may include:

• Designing sustainable finance strategies, including climate and biodiversity integration

• Supporting the launch of impact funds

• Evaluating companies on ESG (Environmental, Social, Governance) and impact criteria

• Conducting strategic and sustainability due diligence on SMEs

• Preparing strategic recommendations for C-level decision-makers

• Contributing to the growth and development of our Sustainability Advisory practice

Your Profile

We are looking for a curious and motivated team player with a strong academic background and a genuine interest in sustainability:

• About to graduate from a top business or engineering school, looking for your end-of-studies internship

• Available for 6 months starting in September 2026

• Prior experience in strategy consulting, asset management / private equity and/or their sustainability/ESG teams

• Passion for sustainable finance and social and environmental issues

• Fluent in both French and English (daily working languages); additional European languages such as German, Spanish or Italian are a plus

• Strong analytical and presentation design skills, business acumen, and a problem-solving mindset

• Proactive, eager to take on responsibility quickly, with an entrepreneurial spirit and the drive to make a difference

Recruitment Process

Three rounds of interviews with our senior team, including case studies to assess your analytical and strategic thinking

Why Join Us

• Purpose-driven work with a talented, multicultural team that shares strong values: collaboration, curiosity, impact, and entrepreneurship

• Career development through a structured onboarding program, individual mentoring and coaching, and tailored career paths

• Direct exposure to clients and easy access to leadership

• Social: regular team events, offsites, summer and winter parties, and more

• Prime location: modern offices in the heart of Paris (8th arrondissement)

• Attractive package: competitive internship compensation