Sweden ClimateTech Startup Salt & Fiber Secures €300k Funding In Pre-Seed Round

Founded in 2025 by Annika John, the company creates sustainable textile yarns from beach-cast seagrass collected along coastlines.

This material is usually removed by coastal municipalities and often sent to landfill where it can produce methane emissions. At the same time traditional textile production remains highly polluting and is under growing pressure to reduce environmental impact and meet sustainability rules.

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Salt & Fiber turns this unused seagrass into natural fibres for textiles. The company says its process does not require fresh water, fertilisers, or land. The fibres are plant-based, biodegradable, and do not release microplastics.

It also avoids harmful chemicals during processing and produces no toxic waste. The fibres are naturally fire-resistant and can self-extinguish without chemical treatment.

The startup is currently running pilot production and has secured a supply agreement with a municipality in southern Sweden. It is also part of the Älmhult x IKEA incubator programme. The company aims to begin commercial production between 2027 and 2028.

As part of its crowdfunding campaign, Salt & Fiber plans to donate 5% of proceeds to Baltic Sea seagrass restoration, though this initiative is still being finalized.

About Salt & Fiber

Salt & Fiber develops sustainable textiles made from beach-cast seagrass, transforming an unused coastal resource into high-quality natural fibres. The company creates an eco-friendly alternative to conventional textiles, reducing environmental impact. It focuses on designing materials that work in harmony with nature and support a more sustainable future for the textile industry.