ABSORA GmbH

Based in Germany, ABSORA GmbH specializes in innovative solutions for noise and vibration absorption through advanced materials, addressing environmental sustainability challenges. Founded in 2023, ABSORA GmbH operates from Berlin, Germany, focusing on the development of materials that absorb noise and vibrations. In December 2025, ABSORA raised EUR 1. 25 million in funding from investors including Heartfelt Capital Management, Marvelous, SB21, and better ventures.

Johannes Kotte is the CEO. ABSORA specializes in the development and application of innovative materials, primarily focusing on their flagship product, HSA3. This next-generation microperforated absorber is lightweight and effective at absorbing low-frequency noise and vibrations. HSA3 is utilized in various sectors, including HVAC, automotive, and acoustics laboratories, targeting a clientele that includes engineers and professionals in sustainable building practices across Europe and North America.

ABSORA generates revenue through partnerships and direct sales of its HSA3 products, engaging primarily in B2B transactions. The company offers tailored design proposals and consultations, resulting in contracts for bulk orders or ongoing supply agreements. While specific pricing for HSA3 is not publicly disclosed, the firm emphasizes affordability and cost-saving benefits, aiming to enhance acoustic performance for clients. In December 2025, ABSORA GmbH raised EUR 1.

25 million in pre-seed funding to scale production and implement initial industrial projects. The company plans to launch additional innovative products in the coming years and expand into new markets, particularly focusing on regions in Europe and North America for broader application of HSA3. The funding will support these initiatives by enhancing production capabilities and facilitating new market entry.