Solena Materials raises €1.4M for Exprest protein-fibre scale-up with The Protein Express
What's the deal? London-based biotech startup Solena Materials has raised €1.4 million in new funding to accelerate the production of its next-generation, protein-based fibres. The investment will fund the "Exprest" project, a joint effort with Netherlands-based fermentation technology specialist The Protein ExpressDealroom has a profile for this one. Try Dealroom →.
The partnership aims to advance the development and industrial scale-up of fermented protein fibre.
Why now? The fashion and textiles industry is under growing pressure to find sustainable alternatives to petroleum-based synthetic fibres. Fermentation-derived protein fibres represent a promising frontier, and scaling up production is the critical next step for startups in the space.
What could go wrong? Scaling biotech materials from lab to industrial production is notoriously difficult and capital-intensive. Many novel fibre startups have struggled to reach price parity with conventional materials, and €1.4 million is a modest sum for a manufacturing scale-up challenge.
The signal: Solena Materials, which Dealroom classifies as an "early growth" stage company using AI-designed, biodegradable protein fibres for performance textiles, is tackling a niche where few startups have reached commercial scale. The modest round size and reliance on a project-specific partnership with The Protein Express suggest the company is pursuing a capital-efficient, milestone-driven path — a pragmatic approach in a segment where overpromising on scale-up timelines has burned investors before.
Read more: Ecotextile News
