Internship with possibility of employment
Sustainium AB is looking for a driven and curious Sales Intern seeking real hands-on experience in B2B sales, lead generation, and business development.
This internship is designed for someone who wants to learn quickly, contribute actively, and gain practical experience in B2B lead generation, prospecting, business development, and international sales within the packaging and sustainability industry.
LIA / YH internship programs
University internship programs
Students seeking practical experience in B2B sales, business development, or international business
Flexible, depending on your educational program requirements, ideally between 3–6 months.
Research, identify, and qualify potential customers across European and international markets
Build and maintain high-quality prospect lists using LinkedIn, company databases, AI tools, and online research
Support outbound prospecting through LinkedIn, email, and other sales channels
Enrich and maintain lead data in the CRM to ensure accurate and up-to-date customer information
Conduct market mapping, account research, and identify new business opportunities
Review company websites, sustainability reports, product ranges and other public information to identify potential business opportunities
Research exhibitors, trade associations, supermarket websites and industry databases to identify new prospects
Prepare prospect lists for sales campaigns and commercial outreach
Support the preparation of introductory calls by creating company briefs, contact summaries and suggested discovery questions
Conduct competitor, industry, and market research to support business development
Maintain structured target account lists by market, product, and campaign
Assist with the preparation of sales presentations, product information, and quotation templates
Organize brochures, technical datasheets, certifications, case studies, and other commercial materials
Support the sales team by collecting information required for customer requests and early-stage opportunities
Work with AI tools, CRM platforms, and sales automation workflows to improve prospecting efficiency
Collaborate closely with the sales, marketing, and strategy teams to support pipeline growth
Support the preparation and organization of customer sample packs, as well as prepare packing lists, labels, and shipment documentation
Studying business, sales, international business, economics, or a related field
Interested in B2B sales, lead generation, and business development
Organized, detail-oriented, and proactive
Analytical with strong research skills
Strong communication skills in English
Comfortable working with digital tools and online research
Bonus if you have experience with HubSpot, LinkedIn Sales Navigator, Microsoft Office, AI tools, or CRM systems
Real-world B2B sales and business development experience in an international environment
Direct involvement in commercial growth and customer acquisition projects
Exposure to international markets, sustainability, and commercial strategy
Mentorship and practical learning across sales and business development
Opportunity to work closely with experienced commercial professionals
Opportunity to build valuable sales, research, and CRM skills
Possibility of future employment for the right candidate
The internship is primarily hybrid with occasional office presence in Stockholm. Working hours and the scope of the internship can be adapted to meet educational program requirements.
This is an internship position connected to educational programs.
We are looking for someone who enjoys research, is curious, structured, and motivated to uncover new business opportunities while growing alongside the company.
We welcome applicants from different backgrounds and experiences.
