# Spiber

the Japanese firm whose Brewed Protein fibers — brewed by microbes from plant sugars at its roughly 500-tonne-per-year Rayong plant in Thailand — supply Asian apparel leaders such as Goldwin and The North Face, anchoring the region's commercial scale.

Source: https://en.bioecon.ru/companies/spiber/
Updated: 2026-06-29

- Country: Japan

## Verifiable facts

| Fact | Value | Source |
| --- | --- | --- |
| Revenue | 177 million JPY (for the fiscal year ended 2025-12-31) (2025-12-31) | https://www.tsr-net.co.jp/data/detail/1202684_1527.html |
| Headcount | ~300 employees (2026-08-04) | https://startup-db.com/companies/BXP5J5rUykNGqo6L |
| Production site | Tsuruoka, Japan and Rayong Province, Thailand (2026-03-11) | https://cen.acs.org/materials/biobased-materials/Spiber-make-spider-silk-like/99/i13 |
| Capacity | Several hundred metric tons per year at the Thailand plant (2026-03-11) | https://cen.acs.org/materials/biobased-materials/Spiber-make-spider-silk-like/99/i13 |
| Certification | ISO 9001:2015 and ISO 14001:2015 for Japan and Thailand facilities (2025-01-01) | https://spiber.inc/wp-content/uploads/2025/09/En_spiber_sustainability_progress_report_2025.pdf |
| Certification | Bonsucro-certified cane sugar sourcing (2024-01-01) | https://spiber.inc/wp-content/uploads/2025/09/En_spiber_sustainability_progress_report_2025.pdf |
| Funding | Over 10 billion JPY (2024-04-12) | https://www.businesswire.com/news/home/20240412872292/en/Spiber-Inc.-Raises-Over-JPY-10-Billion-in-Funding-to-Strengthen-Mass-Production-and-Sales-Initiatives |
| Funding | More than $640 million USD cumulative funding (2026-03-11) | https://cen.acs.org/materials/biobased-materials/Spiber-make-spider-silk-like/99/i13 |
| Regulatory approval | Complies with the Cartagena Protocol for biological safety (2026-08-31) | https://spiber.inc/en/protein |

Independent sources: businesswire.com, cen.acs.org, startup-db.com, tsr-net.co.jp

## Technologies

- [Bio-camouflage & bio-armor materials](https://en.bioecon.ru/technology/bio-camouflage-armor-materials/)
- [Recombinant spider silk & engineered protein fibers](https://en.bioecon.ru/technology/recombinant-spider-silk/)
- [Silk fibroin (recombinant, biomaterials)](https://en.bioecon.ru/technology/silk-fibroin-recombinant-biomaterials/)