What Faction of Seda Bratac does

Fia\u00e7\u00e3o de Seda BRATAC S.A., commercially known as Bratac Seda, is a privately held Brazilian natural silk producer founded in 1940 in Bastos, S\u00e3o Paulo, by Kenji Amano and Akira Taniguchi under the Brazil Takushoku Kumiai (BRATAK) post-war Japanese migration settlement program. The company is the only industrial-scale natural silk yarn manufacturer in the Western Hemisphere, operating two industrial units in Bastos-SP and Londrina-PR (the latter serving as corporate headquarters since 2010) and integrating the full natural silk production chain from silkworm genetic crossing and mulberry cultivation through cocoon production to finished silk thread manufacturing. Its proprietary asset base includes over 70 silkworm genetic breeds and 100+ preserved mulberry varieties, supported by R&D partnerships with EMBRAPA and multiple Brazilian state universities, and certified under ISO 9001:2015, ISO 14001:2015, OEKO-TEX Standard 100, USDA NOP, and the Regenerative Organic Alliance, with the University of Cambridge having independently verified Brazilian silk production as the most sustainable in the world.

Name

Faction of Seda Bratac

Legal name

Fiação de Seda BRATAC S.A.

Website

https://bratac.com.br

Company type

Private

Founded year

1940

Operating status

Operating

Headcount range

251–500 employees

Short description

Bratac Seda is Brazil's only industrial-scale natural silk yarn producer, integrating silkworm breeding, mulberry cultivation, and thread manufacturing across two factories to serve global luxury fashion, medical, cosmetic, and industrial buyers with nine-country export reach.

Ownership category

akta.pro rank

Product category

Natural Silk Yarn Manufacturing

NAICS

Fiber, Yarn, and Thread Mills (31311), Textile Mills (313)

SIC

Textile Mill Products (2200)

akta.pro primary industry

Textured & Specialty Yarn Manufacturing (Textured/Chenille/Bouclé) (IMAOAAAF)

akta.pro secondary industries

Silkworm & Other Beneficial Invertebrate Farming (Sericulture) (AFAEAIAK), Fiber & Yarn (Natural, Synthetic, Blends) (CRAAAMAA)

Keywords

• Natural silk yarn
• Sericulture production
• Silk cocoons
• Silk biotechnology
• Silk yarn manufacturing

Headquarters

HQ city

Londrina

HQ country

Brazil

HQ region

Latin America

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Operations, Supply Chain, Technology or R&D, Infrastructure, Marketing or Sales

Revenue model

1. Natural Silk Yarn Export: Bratac produces natural silk yarn and exports products and subproducts internationally to countries with adequate data protection standards. They are the only manufacturer of silk yarn on an industrial scale in the Western Hemisphere.
2. Cocoon Sales: Purchase price for cocoons is superior to the international market, with a minimum reference price calculated based on production costs (silk content 15%).
3. Silk Thread Manufacturing: Production of silk yarn for various applications including luxury fashion, medicine, cosmetics, chemical industry, food industry, decorative tapestries, and musical instruments.

Go-to-market motion2 records

Distribution channels2 records

Marketing channels1 record

Core offering

Fiação de Seda BRATAC S.A. manufactures and exports natural silk yarn, producing from silkworm cocoons cultivated through integrated sericulture operations across two industrial facilities in Bastos-SP and Londrina-PR. The company also produces silk cocoons as a raw material export, silk-derived biotechnology products (fibroin and sericin proteins for medical, cosmetic, chemical, and food applications), and silk production by-products, making it the only industrial-scale natural silk yarn manufacturer in the Western Hemisphere.

Product overview

Bratac Seda operates as a vertically integrated natural silk manufacturer producing silk yarn and related biotechnological products. The company operates two industrial facilities in Brazil (Bastos-SP and Londrina-PR) and maintains a network of over 1,700 family sericicultor farms. The core product offering centers on Fio de Seda Natural (natural silk yarn), complemented by raw Silk Cocoons for export, and biotechnology derivatives (Fibroína and Sericina proteins) for medical, cosmetic, and industrial applications. The product portfolio is unified by Bratac's proprietary genetic improvement program maintaining over 70 silkworm breeds and 100 mulberry tree species, with full traceability from farm to finished product.

Differentiator

Problem solved

Functional benefit

Products and services

• Fio de Seda Natural (Natural Silk Yarn) Bratac's primary product is natural silk yarn produced from cocoons harvested from silkworms (bicho da seda) fed on mulberry leaves. The company operates two manufacturing facilities in Bastos-SP and Londrina-PR, integrating all stages of production from genetic crossing of moths to finished silk thread. Applications include luxury fashion, parachutes, ballistic protection, medical, cosmetics, chemical, food, decorative tapestries, and musical instruments.
• Casulos de Seda (Silk Cocoons) Raw silk cocoons produced by sericicultores (silkworm farmers) supplying Bratac's network of over 1,700 family farming households. Each cocoon is formed from a single continuous thread approximately 1,500 meters long, composed of two proteins: sericin and fibroin. Cocoons are sold with minimum reference pricing based on production costs and silk content (15%).
• Fibroína e Sericina (Biotechnology Products) Bratac produces and researches silk-derived biotechnological products including fibroin and sericin proteins extracted from silk cocoons. These proteins have applications in medicine, cosmetics, chemical industry, and food industry, derived through biotechnology processes from the company's vertically integrated silk production.
• Subprodutos da Seda (Silk By-products) Bratac aggregates value from all silk production by-products through circular economy practices, ensuring zero waste in the manufacturing process. By-products are utilized across various applications including biotechnology, textile manufacturing, and other industrial uses.

Named customers5 records

Segments1 record

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Eight partnerships are on record, tiered minor and core.

• Seda BrasilminorOthersIndustry association partner for Brazilian silk sector.
• CTCSminorOthersPartner organization in the silk industry.
• UEL - Universidade Estadual de LondrinacoreTechnology or IntegrationAcademic partnership for research and development in biotechnology and silk production technology.
• EMBRAPAcoreStrategic or Co-development PartnerBrazilian agricultural research corporation partnering on sustainable agriculture and silkworm breeding programs.
• CONAB - Companhia Nacional de AbastecimentominorStrategic or Co-development PartnerPartnership for agricultural market intelligence and supply chain support.
• UNESP - Universidade Estadual PaulistacoreTechnology or IntegrationAcademic partnership for biotechnology research.
• UEM - Universidade Estadual de MaringácoreTechnology or IntegrationAcademic partnership for agricultural and biological sciences research.
• ABRASEDAminorOthersBrazilian Silk Industries Association member.

Scale indicators8 records

Recent moves12 records

Expansion highlights4 records

Emerging players

• Bolt Threads: US-based biotech company producing brewed silk proteins and next-generation sustainable fibers for apparel and cosmetics. Comparable as it targets the same luxury and beauty customers seeking sustainable silk substitutes, representing a substitution threat to Bratac's natural silk.
• Spiber Inc. Japanese biotech firm producing Brewed Protein fibers as alternatives to silk and other animal-derived materials. Comparable as an emerging supplier of sustainable protein-based fibers for luxury and apparel, competing for the same ESG-conscious end-customers.

Broad incumbents

• Marubeni Corporation: Major Japanese trading conglomerate with historical and ongoing involvement in global silk trading and textile supply chains. Comparable as a broad incumbent in the silk/textile ecosystem that moves volume into Bratac's customer base and competes for similar accounts.
• Sojitz Corporation: Japanese general trading company with textile and silk trading operations serving global apparel customers. Comparable as a broad incumbent that intermediates between Asian silk producers and Western buyers, overlapping with Bratac's customer relationships.
• Shandong Ruyi Technology Group: Large Chinese textile conglomerate and parent of Loro Piana, with operations spanning spinning, weaving, and branded apparel. Comparable as a broad incumbent textile group that sources and produces natural and synthetic fibers for the same luxury and apparel customers.

Direct peers

• Uzbekipaksanoat (Uzbekistan Silk Industry Association): State-run Uzbek silk industry coordinating sericulture, cocoon production, and silk yarn manufacturing for export markets. Directly comparable as a national-scale sericulture-to-yarn producer competing with Bratac for global natural silk yarn customers.
• Khotan Silk: Silk producer based in Xinjiang, China, with integrated mulberry cultivation, silkworm breeding, and silk yarn manufacturing. Comparable as another industrial natural-silk-yarn player targeting global apparel and luxury buyers.
• Wensli Group: Hangzhou Wensli Silk Culture Co. is one of China's largest silk producers with vertically integrated silk yarn, fabric, and finished goods manufacturing. It is directly comparable to Bratac as an industrial silk yarn producer serving luxury and apparel end-markets.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

Compliance5 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Faction of Seda Bratac