Challenger Sustainability Accelerator 2026

About

A three-month accelerator program designed for early-stage Ukrainian startups in green tech and related sectors, offering equity-free funding, access to international mentors, and expert-led workshops. Participants will engage in networking opportunities and receive tailored mentorship, along with post-acceleration support to facilitate international scaling and partnerships.

Benefits

• 💰Equity-free funding
  Participants receive funding without giving up equity.
• 🎓Access to international mentors and investors
  Engagement with experienced mentors and potential investors from around the world.
• 🛠️ Expert-led workshops
  Workshops conducted by industry experts to enhance skills and knowledge.
• 🌐Networking and partnership matchmaking
  Opportunities to connect with potential partners and collaborators.
• 🎤Individual mentorship program
  Includes EU client matchmaking and a study visit to Sweden for further growth opportunities.

Eligibility Criteria

• Ukrainian teams
• Startups in green tech, energy, mobility, construction, demining, and prosthetics
• Teams of 2 or more members
• Startups with a pilot-ready prototype
• Startups seeking investments
• Teams ready for international scaling

Participation Commitments

• Must commit to a three-month program duration
• Participation in online and offline events including Demo Day is required
• Commitment to engage with mentors and complete program activities is necessary.

Target Region

Ukraine

Target Sector

Green tech and related sectors