Business Development & Market Research Internship (B2B Sustainability)

We are looking for an intern who can support us in developing our business activity, structuring our commercial efforts, and better understanding market needs and opportunities.

We are seeking someone curious, proactive, and structured, with an interest in business strategy, market dynamics, and the realities companies face today.

This internship is primarily focused on business development and market research rather than communication or pure content creation.

Main responsibilities

Depending on current priorities, you may contribute to:

• Researching and qualifying potential clients
• Identifying priority sectors and companies
• Conducting market and competitor research
• Preparing commercial materials and sales support documents
• Structuring and updating the commercial pipeline
• Identifying partnership or event opportunities
• Analysing companies’ needs and ESG-related challenges
• Supporting the follow-up of selected business opportunities
• Structuring internal information related to offers, markets, and business development
• You will work directly with the team on cross-functional topics combining business strategy, sustainability, and operational development.

Optional B2B Marketing Contribution

If the intern is interested, there may also be opportunities to contribute to selected B2B marketing and visibility initiatives, such as:

• Supporting LinkedIn content and ESG communication
• Helping transform expert content into accessible formats
• Creating simple visuals or communication materials
• Supporting website or newsletter content updates
• Contributing to visibility and engagement initiatives

These tasks are entirely optional and would depend on the intern’s interests and profile.

Profile

We are looking for someone who is:

• Comfortable with research and information analysis
• Curious and able to understand complex topics
• Structured and organised
• Proactive and autonomous
• Interested in business development and B2B environments
• Able to synthesise and clarify information

What you will find at Act Justly

• A small and fast-evolving team
• Concrete and varied missions linked to company growth
• A transversal experience between strategy, business development, and sustainability
• Exposure to the real challenges of a growing startup
• An environment focused on turning complex topics into actionable solutions

What you will learn

• How to structure impactful B2B content
• How to simplify complex ESG topics
• How to work in a fast-paced startup environment
• How to use KPI to improve content performance

Practical info

• Internship agreement required
• Durant: 5-6 months
• Location: Brussels + remote possible

We are committed to building an inclusive and diverse workplace and welcome applications from people of all backgrounds (including origin, gender, age, disability, sexual orientation, and beliefs). Reasonable accommodations can be provided throughout the recruitment process and in the work environment—please let us know if you would like to discuss your needs.