Beamline Accelerator is a cleantech accelerator based in Estonia, focusing on early-stage climate tech startups. They offer funding (60,000), mentorship, and strategic connections to support growth in areas like energy, smart cities, waste management, and carbon capture[1][3]. Their target audience includes pre-seed and seed-stage startups primarily in Europe, especially the Baltics and Nordics[3]. The unique selling proposition is their specialized focus on transformative cleantech verticals, providing a comprehensive support system for startups addressing critical environmental challenges[3][5].