Elevating Iberian Ethics: Good On You Spotlights 18 Leading Sustainable Fashion Brands from Spain and Portugal

The global fashion industry, long scrutinized for its significant environmental footprint and social inequities, is undergoing a transformative shift towards sustainability. Amidst this evolution, Spain and Portugal are emerging as dynamic hubs for ethically conscious clothing and accessories, with a growing number of brands committed to responsible practices across their supply chains. A recent curation by Good On You, an authoritative source for brand sustainability ratings, highlights 18 Iberian brands that have earned "Good" or "Great" accolades for their commitment to people, the planet, and animals. This recognition underscores a broader trend where consumers are increasingly demanding transparency and ethical production, pushing traditional manufacturing strongholds like the Iberian Peninsula to innovate and lead in the sustainable fashion movement.

The Imperative for Sustainable Fashion: A Global Overview

The fashion industry’s impact is staggering. It is estimated to account for 2-8% of global greenhouse gas emissions, a figure comparable to the combined emissions of all international flights and maritime shipping. Beyond carbon, the sector is a voracious consumer of water, with textile production requiring an estimated 93 billion cubic meters annually, contributing significantly to water scarcity and pollution. Furthermore, the reliance on conventional cotton cultivation often involves extensive pesticide use, while synthetic fibers like polyester contribute to microplastic pollution in oceans and waterways. Socially, the industry faces persistent challenges, including inadequate worker wages, unsafe working conditions, and the prevalence of child and forced labor in various parts of its complex global supply chains.

In response to these critical issues, consumer awareness has surged. Market research consistently shows a growing preference for sustainable products, with many individuals willing to pay a premium for items produced ethically and with minimal environmental harm. This demand has catalyzed a rapid expansion in the sustainable fashion market, projected to reach multi-billion dollar valuations in the coming years. For consumers in Spain and Portugal, this translates into a desire for local options that align with their values, support regional economies, and minimize the carbon footprint associated with international shipping. However, navigating the landscape of sustainable claims can be challenging, as "greenwashing"—the practice of making unsubstantiated or misleading claims about environmental benefits—remains a prevalent concern. This is where independent rating systems play a crucial role.

Good On You’s Rigorous Methodology: Unpacking Ethical Standards

Good On You stands at the forefront of this movement, providing a comprehensive and accessible framework for assessing fashion brands’ sustainability performance. Its proprietary rating system evaluates over 500 data points across three core categories: impact on people, the planet, and animals. This rigorous, evidence-based methodology empowers consumers to make informed choices, distinguishing genuinely ethical brands from those merely paying lip service to sustainability.

Key Pillars of Ethical Brand Assessment:

1. People: A truly responsible brand prioritizes the well-being and rights of its workforce across the entire supply chain. This encompasses adherence to international labor standards, including the absence of child labor and forced labor, ensuring safe working environments, and upholding the right to collective bargaining and freedom of association. Crucially, a commitment to paying a living wage—sufficient to cover basic needs and provide a discretionary income—is a cornerstone of ethical labor practices. Good On You assesses brands on their transparency regarding supply chain mapping, independent audits, and remediation efforts for any identified violations.

2. Planet: Environmental stewardship is another critical component. Ethical brands strive to minimize their ecological footprint by:

   • Resource Management: Optimizing the use of water, energy, and raw materials.
   • Emissions Reduction: Actively working to lower greenhouse gas emissions throughout production and logistics, often by investing in renewable energy and improving energy efficiency.
   • Water Stewardship: Minimizing water consumption and preventing contamination from dyes and chemicals.
   • Chemical Management: Safely managing and disposing of hazardous chemicals, ideally eliminating their use entirely.
   • Waste Reduction & Circularity: Implementing strategies to reduce textile waste, promote recycling, and embrace circular economy principles where products are designed for longevity, repair, and eventual re-integration into the production cycle. This includes using lower-impact materials like organic cotton, recycled synthetics (e.g., from PET bottles), and innovative regenerated fibers such as TENCEL Lyocell.

3. Animals: Animal welfare forms the third pillar. Responsible brands either avoid animal products altogether or ensure that any animal-derived materials are sourced ethically, with strict adherence to animal welfare standards. Ideally, brands are 100% vegan, eliminating materials like wool, leather, fur, angora, down feather, shearling, karakul, and exotic animal skins and hairs. Certifications like PETA-Approved Vegan signify a brand’s commitment to cruelty-free production.

By evaluating brands against these comprehensive criteria, Good On You offers a clear, actionable guide for conscious consumption, translating complex sustainability data into easy-to-understand ratings.

Iberian Innovation: Spain and Portugal’s Rise in Sustainable Fashion

Spain and Portugal, with their rich textile traditions and established manufacturing capabilities, are increasingly recognized as key players in the European sustainable fashion landscape. Several factors contribute to this growing prominence:

• Proximity and Local Production: A strong emphasis on local or regional production reduces transportation emissions and allows for greater oversight of labor conditions and environmental practices. Many Iberian brands pride themselves on manufacturing within their home countries or neighboring EU nations, supporting local economies and preserving artisanal skills.
• EU Regulations: Operating within the European Union, these brands are subject to stringent environmental and labor regulations, providing a baseline for responsible conduct that often surpasses standards in other manufacturing regions.
• Access to Sustainable Materials: The region has increasing access to and expertise in working with innovative, lower-impact materials, from organic cotton to recycled plastics and plant-based alternatives.
• Consumer Demand: A growing segment of the Iberian consumer base is actively seeking out sustainable options, driving market demand and encouraging local brands to adopt more ethical practices.
• Design Philosophy: Many brands in the region embrace slow fashion principles, focusing on timeless designs, durability, and quality over transient trends, thereby encouraging conscious consumption and reducing textile waste.

This confluence of factors has created a fertile ground for the emergence of ethical fashion enterprises that are not only stylish but also deeply committed to positive impact.

Spotlight on Iberian Leaders: Good On You’s Top-Rated Brands

Good On You’s latest compilation shines a light on 18 Spanish and Portuguese brands that exemplify these commitments. These brands offer a diverse range of products, from everyday wear and athleisure to specialized items like lingerie and footwear, all while upholding robust ethical standards.

More Sustainable Portuguese Brands:

• NÄZ: This Portuguese brand distinguishes itself by creating timeless womenswear using lower-impact materials. Their focus on classic designs directly counters the fast fashion cycle, promoting longevity and reduced consumption. Available in sizes S-L, NÄZ represents a commitment to durable, season-transcending style.
• Organique: A leader in ethical athleisure, Organique caters to the contemporary woman with garments entirely produced in a high-end local atelier. Their dedication to slow fashion is evident in designs made for longevity and the exclusive use of high-quality organic materials and lower-impact fabrics like organic cotton and TENCEL Lyocell, a cellulose fiber known for its closed-loop production process. Organique is also a 100% vegan brand, ensuring no animal products are used. The range is available in sizes S-L.
• ISTO.: With a simple yet profound mandate, ISTO. creates staple items designed to transcend seasons. The brand maintains a single collection, prioritizing quality over quantity and ensuring permanent availability. ISTO. is highly transparent, utilizing organic materials and openly displaying the true cost of their garments, fostering trust and informed purchasing. Sizes range from XS-XL.
• ColieCo: Specializing in lingerie, underwear, and swimwear, ColieCo is a Portuguese brand championing a handmade-to-order process. This approach significantly reduces waste associated with overproduction. Each garment is crafted exclusively from lower-impact and responsibly sourced fabrics, offering a blend of luxury and ethics. The brand offers an inclusive size range from 2XS-3XL.
• Conscious the label: This brand offers trendy swimwear without compromising on ethical standards. Every piece is meticulously cut and sewn by hand in their Lisbon atelier, ensuring quality and supporting local craftsmanship. Models are often limited due to fabric availability, reinforcing a conscious consumption model. Notably, their swimwear is made from 78% recycled plastic derived from ocean waste, actively addressing marine pollution. Conscious the label also uses more sustainable packaging. Most swimwear is available in sizes S-XL.

Top Rated Spanish Brands:

• TWOTHIRDS: Driven by a deep appreciation for the oceans, TWOTHIRDS creates clothing for individuals who are both environmentally aware and style-conscious. The brand manufactures all products locally to minimize its carbon footprint and meticulously audits its final stage of production for accountability. Their commitment extends to using eco-friendly materials and practices that protect marine ecosystems. The clothing line is available in sizes XS-L.
• COSSAC: This Spanish brand champions the minimalistic concept of capsule wardrobes, offering timeless, feminine, and versatile apparel. COSSAC focuses on contemporary classics designed to be cherished beyond seasonal trends. They exclusively use organic or lower-impact materials and work with small factories on limited production runs, effectively minimizing waste and deadstock. Most of their range can be found in sizes S-L.
• SKFK: Crafting women’s clothing collections with a timeless, comfortable, and functional style, SKFK is a Spanish brand committed to high ethical standards. They utilize GOTS (Global Organic Textile Standard) and Fairtrade certified cotton, ensuring both organic integrity and fair labor practices. SKFK implements a robust Code of Conduct covering all ILO (International Labour Organization) Four Fundamental Freedoms principles and ensures payment of a living wage across most of its supply chain, demonstrating a holistic approach to sustainability. Most items are available in sizes XS-2XL.
• Ecoology: Born in Barcelona, Ecoology is a sustainable fashion label that creates fashion for conscious individuals. The brand relies on certified organic fabrics, other natural fibers, and recycled materials, embodying the innovative spirit of Barcelona’s design scene while upholding strong environmental principles. The collection is available in sizes XS to L.
• Lefrik: This Spanish brand specializes in urban bags, backpacks, and travel essentials. Founded in 2012, Lefrik addresses modern travel and commuting needs by providing fashionable and functional accessories made from high-quality, lower-impact fabrics derived from recycled plastic PET bottles. Their innovative use of recycled materials directly combats plastic waste, transforming it into durable and stylish products.
• Vesica Piscis: As a vegan footwear brand based in Spain, Vesica Piscis demonstrates a strong commitment to animal welfare and environmental responsibility. They utilize a high proportion of lower-impact materials, power their manufacturing with renewable energy, and operate on a made-to-order basis to eliminate waste. This integrated approach ensures both ethical production and a reduced ecological footprint. Most shoes are available in sizes 36-46.
• amt.: amt. studio is a Spanish clothing brand known for its local production and use of recycled materials. Their commitment to circularity and regional manufacturing contributes to a smaller environmental impact and supports the local economy. Most items are available in sizes XS-L.
• Flamingos’ Life: This brand creates vegan sneakers free from any animal-derived materials, catering to a growing demand for ethical footwear. Flamingos’ Life uses lower-impact and PETA-approved vegan materials, including upcycled components, further reducing their environmental footprint and promoting circular fashion. The range is available in sizes 36-46.

Broader Implications and Future Outlook

The work of Good On You and the increasing visibility of brands like those from Spain and Portugal have profound implications for the future of fashion. For consumers, it signifies a new era of empowerment, where purchasing decisions can actively contribute to positive social and environmental change. The availability of transparent ratings and curated lists of ethical brands simplifies the complex task of identifying truly sustainable options.

For the fashion industry, these developments represent both a challenge and an opportunity. The pressure to adopt more sustainable practices will only intensify, driven by consumer demand, evolving regulatory landscapes, and the undeniable realities of climate change. This necessitates investment in innovative materials, cleaner production processes, and more equitable labor practices. Brands that embrace these changes proactively are likely to thrive, building stronger consumer loyalty and resilience in a rapidly changing market.

Moreover, the focus on local and regional production, as exemplified by many Iberian brands, offers a pathway to revitalizing domestic manufacturing sectors, fostering specialized skills, and creating jobs that adhere to higher labor standards. This localized approach also contributes to reducing the globalized fashion supply chain’s extensive carbon footprint.

While significant challenges remain—such as scaling sustainable practices across the entire industry, addressing the sheer volume of textile waste, and ensuring fair wages for all garment workers globally—the momentum is undeniable. The continued rise of platforms like Good On You, coupled with the inspiring efforts of brands in regions like Spain and Portugal, indicates a clear trajectory towards a more responsible, transparent, and ultimately, sustainable future for fashion. As consumers become more informed and discerning, the spotlight on ethical production will only intensify, holding the industry accountable and driving essential innovation for people, the planet, and animals.

Editor’s note: Feature image via ISTO., all other images via brands mentioned. Good On You publishes the world’s most comprehensive ratings of fashion brands’ impact on people, the planet, and animals. Use their directory to search thousands of rated brands. This article was updated on 5 March 2026 to ensure it reflects brands with recent ratings and to incorporate expanded journalistic content.