O Casulo Feliz

What O Casulo Feliz does

O Casulo Feliz is a Brazilian sustainable silk producer founded in 1988 and headquartered in Maringá, Paraná (legal entity Rocha & Zubioli Ltda). The company operates a vertically integrated production chain spanning organic mulberry cultivation, silkworm breeding, manual spinning, natural plant-based dyeing, fabric weaving, and finished goods. It has developed proprietary machinery and processes to recycle silk fibers from cocoons that do not meet industry standards, converting production waste into premium threads, and its operations are 100% solar-powered with a water treatment system that yields potable water as a byproduct — positioning the company as carbon-negative.

The product portfolio includes over 20 silk yarn types (e.g., Fio 1000 Liso, Fio 2000, Fio Primitivo, Fio Palha de Seda, Shantung Imperial), complementary wool fibers (Llama, Merino, Patagonia Merino), a range of silk fabrics (satin, crepe, organza, silk denim, grosgrain, Sedapet blends), finished garments and home décor (silk dresses, sofa blankets, table runners, wall coverings), beauty products (anti-frizz silk sleep caps, organic silk fiber), and a recycled/bazar line sold at 15-70% discounts. Pricing spans from R$23 for basic items to R$2,225+ for bulk kits, with custom-colored orders carrying 15-25 day production lead times.

The business generates revenue primarily through direct-to-consumer e-commerce at ocasulofeliz.com.br and a dedicated English-language international store, supported by WhatsApp-based personalized service and a dedicated wholesale B2B channel. A secondary revenue stream comes from online video craft courses (R$45-R$660) sold in partnership with artisan instructors. Customers include fashion designers and stylists, architects and interior decorators, artisan crafters and hobbyists, and beauty/wellness consumers, served through content-led community growth anchored by partnerships with instructors Anne Galante, Débora Vilarins, and Simone Beltrão.

Name

O Casulo Feliz

Legal name

Rocha & Zubioli Ltda

Website

https://ocasulofeliz.com.br

Company type

Private

Founded year

1988

Operating status

Operating

Headcount range

1–10 employees

Short description

O Casulo Feliz is a Brazilian vertically integrated sustainable silk producer founded in 1988, selling premium silk yarns, fabrics, finished garments, home décor, and craft courses to fashion designers, interior decorators, artisan crafters, and beauty consumers via DTC e-commerce, WhatsApp wholesale, and an international English store.

Ownership category

akta.pro rank

Product category

Silk Textile Manufacturing

NAICS

Fiber, Yarn, and Thread Mills (31311), Broadwoven Fabric Mills (31321)

SIC

Knitting Mills (2250), Apparel & Other Finishd Prods Of Fabrics & Similar Matl (2300), Textile Mill Products (2200)

akta.pro primary industry

Fiber & Yarn (Natural, Synthetic, Blends) (CRAAAMAA)

akta.pro secondary industries

Dyeing Operations (Piece/Yarn/Fiber/Garment) (IMAOACAB), Woven Fabrics (CRAAAMAB), Sewing Thread Manufacturing (IMAOAAAH)

Keywords

• Silk textile manufacturing
• Natural dye textiles
• Artisanal yarn production
• Sustainable silk fabrics
• Craft education courses

Headquarters

HQ city

Maringá

HQ country

Brazil

HQ region

Latin America

Offices1 record

Markets served

GTM type

B2C

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. E-commerce Product Sales: Direct online sales of silk threads, fabrics, finished garments, home decor, and craft supplies through the company's e-commerce platform. Products are sold as one-time purchases with customization options for colors and sizes.
2. Craft Courses and Programs: Sale of video courses and craft project kits featuring O Casulo Feliz products. Instructors include Anne Galante, Simone Beltrão, Débora Vilarins. Courses range from R$45 to R$660, some including materials.
3. Wholesale B2B: Wholesale channel for bulk purchases of silk threads and fabrics, accessible via dedicated WhatsApp number for business customers.

Pricing tiers

Go-to-market motion2 records

Distribution channels4 records

Marketing channels7 records

Core offering

O Casulo Feliz produces and sells sustainable 100% pure silk yarns, silk-blend yarns, complementary wool yarns, silk fabrics, ready-to-wear silk garments, home décor pieces, and silk beauty products. Production is vertically integrated from mulberry cultivation and silkworm breeding through manual spinning and natural plant-based dyeing. The company also offers online video craft courses taught by partner instructors and bundles of materials with those courses.

Product overview

O Casulo Feliz is a Brazilian sustainable silk textile company founded in 1988, specializing in artisanal silk yarn, fabrics, and finished products. The company operates a vertically integrated sustainable production system spanning silk cultivation (mulberry farming and silkworm breeding), yarn production, vegetable dyeing, and fabric manufacturing. The product portfolio centers on over 20 types of silk yarns including pure silk variants (Fio 1000 Liso, Fio 2000, Fio 3500 Irregular, Fio Primitivo, Fio Palha de Seda, Shantung Imperial) and blended options (Fio Seda Ingá, Fio Pluma with viscose, Fio Criativo Reciclado). The company also offers complementary wool products including Llama wool (Lã de Lhama), Merino wool (Lã Merino, Patagonia Merino), and primitive wool (Lã Primitivo). Fabric offerings include silk satin, crepe, organza, gazes, silk denim, gorgurão, silk PET blends (Sedapet), and wall coverings. Ready-to-wear includes silk dresses (Vestido Pérola, EcoPrint), and home décor encompasses sofa blankets, table runners, and placemats. The company also provides beauty products including silk sleep caps and 100% silk fiber. Course offerings through partner instructors provide video-based crafting instruction. All products emphasize sustainable practices including organic mulberry cultivation, natural vegetable dyes, water treatment systems, textile recycling, and solar energy usage.

Differentiator

Problem solved

Functional benefit

Products and services

• Pure Silk Yarns (Fio 1000 Liso, Fio 2000 Liso, Fio 2000 Shantung, Fio 3500 Irregular, Fio Primitivo, Fio Primitivo Fino, Fio Primitivo Reciclado, Fio Palha de Seda Grossa, Fio Palha Rústica, Shantung Imperial, Fios para Bordar)
• Silk Blend Yarns (Fio Seda Ingá Blend, Fio Pluma, Fio Criativo Reciclado 100% Seda, Fio de seda com viscose)
• Wool Yarns (Casulo Lã de Lhama, Casulo Lã Merino, Casulo Patagonia Merino, Casulo Cruza Fina Lã Merino, FIO LÃ PRIMITIVO)
• Silk Fabrics (Cetim de Seda, Crepe de Seda, Organzas e Gazes de Seda, Jeans de Seda, Gorgurão de Seda, Tecido Manta de Seda, Sedapet, TECIDO PET, Revestimento de Parede, Painel de Persiana)
• Silk Garments and Shawls (Vestido Pérola 100% Seda, Vestido EcoPrint Único, Xale em Seda Tingimento Multicolorido)
• Home Décor (Manta para Sofá, Jogo Americano Algodão Reciclado)
• Beauty and Wellness (Touca de Seda Pura Dupla Face, Fibra de Seda 100% Orgânica & Reciclada)
• Bundled Product Kits (Kit Retalhos de Seda Cetim/Voal/Organza/Pongee, Conhecendo os Fios - Kit de Amostras)
• Online Video Craft Courses (Cursos e Parceria)

Quantifiable outcome

• Carbon-negative silk production - CO2 generation is negative
• +2 more outcomes

Named customers4 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration1 record

Feature3 records

Partnerships

Six partnerships are on record, tiered core and minor.

• Anne GalantecoreStrategic or Co-development PartnerProminent crochet and knitting instructor who creates video courses and tutorials exclusively featuring O Casulo Feliz silk products. Courses include Cardigan Marrocos and Blusa Saint Tropez. Her content drives significant traffic and sales through her established audience.
• Débora VilarinscoreStrategic or Co-development PartnerArtisan instructor offering multiple crochet courses through the platform including Blusa Colors, Blusa Mônaco, Blusa Amanda, and Vestido Viena. Creates exclusive project patterns using O Casulo Feliz threads.
• Simone BeltrãocoreStrategic or Co-development PartnerCraft instructor who created the Blusa Vicenza project and Cachecoeur patterns. Featured in factory visit vlogs and creates content showcasing silk craftsmanship.
• Tricoteria AtelierminorStrategic or Co-development PartnerOnline atelier that visited O Casulo Feliz factory and creates instructional content featuring their silk threads for students.
• Crochê ModernominorStrategic or Co-development PartnerOnline craft education platform that creates video content featuring O Casulo Feliz products, including 'Como é feito o FIO DE SEDA' factory tour videos.
• Escola de Artes Manuais (EAM)minorStrategic or Co-development PartnerManual arts school recommended for additional crochet and knitting courses that complement O Casulo Feliz product-based instruction.

Scale indicators4 records

Recent moves1 record

Expansion highlights5 records

Broad incumbents

• Dharma Trading Co. Dharma Trading is a US textile supplies retailer offering fabrics, dyes, and fibers to artisan and small-business buyers. Comparable to O Casulo Feliz's bazaar/sustainability channel and fiber/dye product lines, as a broad textile supplies incumbent serving craft and small-batch production customers.
• Knit Picks: Knit Picks is a large US yarn and craft-supply e-commerce retailer with in-house yarn lines and a pattern/course library. Comparable on the DTC yarn e-commerce + tutorial content model, though it operates at significantly larger scale and across broader fiber categories than O Casulo Feliz's silk focus.
• Circulo: Circulo is one of Brazil's largest established yarn manufacturers and brands, with broad distribution across craft categories (crochet, knitting, embroidery). It overlaps with O Casulo Feliz as a Brazilian yarn supplier to artisan crafters but competes in a broader, mass-market yarn range rather than specialty sustainable silk.
• Lion Brand Yarn: Lion Brand Yarn is a long-established US yarn manufacturer with broad fiber assortment and DTC e-commerce plus tutorial content. It is a comparable yarn-maker incumbent with overlapping craft education and community channels, but at vastly larger scale and commodity positioning rather than premium sustainable silk.

Direct peers

• Hobbii: Hobbii is a Danish DTC yarn brand with global e-commerce shipping, free patterns, and tutorial content. Comparable on the modern DTC yarn retail model, international shipping footprint, and community-driven content strategy that mirrors O Casulo Feliz's artisan-instructor approach.
• Treenway Silks: Treenway Silks is a US-based specialty retailer of silk yarns, fibers, and threads for knitters, crocheters, and weavers. It is a direct peer: same product category (natural silk yarns sold by weight), overlapping customer base of premium handcraft artisans, and similar e-commerce/DTC distribution.
• We Are Knitters: We Are Knitters is a Madrid-based DTC yarn and craft-kit brand selling project kits, patterns, and online video tutorials. Closely comparable to O Casulo Feliz on the consumer e-commerce + course/tutorial combination, the craft-kit bundling model, and community-led content marketing.
• Bratac: Bratac is one of Brazil's largest silk thread producers, with vertically integrated sericulture and yarn manufacturing. It is a direct peer in the same Brazilian silk yarn category, though at significantly greater industrial scale and with a less consumer-direct model.
• Habu Textiles: Habu Textiles is a Japanese-origin specialist in unusual and natural-fiber yarns (silk, paper, stainless steel blends) sold directly to textile artists. Directly comparable to O Casulo Feliz's niche positioning as a specialty natural silk yarn producer catering to artisan crafters.

Emerging players

• Ice Yarns: Ice Yarns is a Turkey-based global online yarn wholesaler and retailer with very large SKU breadth and aggressive pricing. Comparable as a digital-first international yarn e-commerce player competing for the same artisan and small-business customers, but it competes on breadth and price rather than sustainable silk positioning.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks5 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/ocasulofeliz
• Instagraminstagram.com/ocasulofeliz
• LinkedInlinkedin.com/company/o-casulo-feliz

Revenue estimate

Valuation estimate

Number of profiles

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 O Casulo Feliz