Sustainable Clothing Manufacturers For Ethical And Eco-Friendly Fashion Brands

Top 8 Sustainable Clothing Manufacturers For Ethical Fashion Brand

  • Author: Thygesen Author
  • Publish date: October 6, 2025

Ethical clothing manufacturers are often mentioned in today’s fashion conversations,  but what truly defines an ethical partner? Is it about fair labor, safe working conditions, sustainability, or all of the above? In this guide, we’ll explore what makes a manufacturer sustainable and ethical and how your brand can find the right one to work with.

1. What is An Ethical Clothing Manufacturer?

An ethical clothing manufacturer is a business that prioritizes fairness, safety, and responsibility throughout the production process, focusing not only on the final product but also on the way it is made.

Ethical manufacturers prioritize fair labor, providing safe conditions, fair pay, reasonable hours, and respecting workers' rights
Ethical manufacturers prioritize fair labor, providing safe conditions, fair pay, reasonable hours, and respecting workers’ rights

2. Key Characteristics of Ethical Clothing Manufacturers

Let’s take a closer look at the values and practices that define responsible production:

2.1. Prioritise Environmental Sustainability

A commitment to environmental sustainability is one of the key traits that set ethical manufacturers apart. From materials to energy use, every decision is made with long-term environmental impact in mind.

  • Sustainable material sourcing: Ethical manufacturers often support this process by advising on suitable options and helping brands navigate sourcing decisions. Depending on the production goals, materials may carry certifications such as GOTS, OCS, GRS, or FSC,  typically applied to fabrics like organic cotton, recycled polyester, viscose, or blends made from responsibly sourced fibers.
  • Reduced environmental impact: Production processes are designed to minimize waste, conserve water, reduce energy consumption, and lower greenhouse gas emissions wherever possible.
  • Chemical management: Dyes or finishes are used carefully and disposed of responsibly to avoid polluting nearby water sources or harming ecosystems.
  • Renewable energy:  Some manufacturers use clean energy sources like solar or wind to power their operations, cutting back on reliance on fossil fuels and reducing their carbon footprint.

2.2. Focus on Fair Labor Practices

Treating people fairly is the foundation of ethical manufacturing, and that begins with how workers are valued, protected, and respected throughout the production process.

  • Fair wages and benefits: Employees are paid a living wage, not just the legal minimum. This ensures they can support themselves and their families with basic needs like food, housing, and healthcare.
  • Safe and healthy working conditions: Factories maintain clean, well-lit, and ventilated spaces. Workers are provided with ergonomic setups and protective equipment to reduce the risk of injury or long-term health issues.
  • Reasonable working hours: Ethical manufacturers follow local labor laws around working hours and overtime. Employees receive proper breaks and days off, helping to maintain work-life balance.
  • No child or forced labor: Strict policies are in place to prevent child labor and any form of forced or involuntary work. Regular audits help ensure compliance throughout the production process.

2.3. Understand The Value of Transparency and Accountability

Transparency and accountability are at the core of ethical manufacturing. They reflect not only how a factory operates, but also how much it values trust, responsibility, and long-term impact.

  • Supply chain responsibility:  Responsibility doesn’t stop at the factory gate. Ethical manufacturers also evaluate and guide their raw material suppliers and subcontractors to uphold fair labor practices throughout the chain.
  • Certifications: Ethical manufacturers often hold certifications that demonstrate their commitment to responsible practices. These may include ISO 9001 for quality and environmental management, WRAP for safe and lawful manufacturing, and SA8000 for social accountability.
  • Regular audits: Ethical manufacturers undergo independent audits to confirm compliance with labor, safety, and environmental standards. These reviews are conducted regularly and with integrity.
  • Corporate Social Responsibility (CSR): Many manufacturers have formal CSR programs in place, showing commitment to creating positive social and environmental impact beyond business performance.

Transparency and accountability are becoming increasingly important, especially for brands targeting the European market. The Digital Product Passport (DPP) is set to become a key requirement, providing verified information on a product’s materials, origin, environmental impact, and recyclability. For the EU, this ensures compliance with sustainability regulations, enables consumers to make informed choices, and holds brands accountable for their supply chain practices.

Certifications are equally important for the European market, ensuring that products meet recognized sustainability and ethical standards. Thygesen understands this shift and are proactively preparing our systems and processes, so that our partners can meet these evolving EU standards while maintaining full traceability and ethical practices throughout the supply chain.

Transparency and accountability show a factory’s true commitment to trust, responsibility, and long-term impact
Transparency and accountability show a factory’s true commitment to trust, responsibility, and long-term impact

3. Top 8 Reliable Ethical Clothing Manufacturers

3.1. Thygesen Textile Vietnam

Founded: 1931

Country: Vietnam

Product Lines: Activewear, Underwear, Casualwear, Kidswear, Workwear, Uniform

Featured Customer: Calvin Klein, Tommy Hilfiger, Fjällräven, DKNY, Girlfriend Collective, Boody

Thygesen Textile Vietnam is recognized as one of the ethical clothing manufacturers in Vietnam, offering OEM services across key product categories including activewear, casualwear, and underwear. We combine high-quality production with a strong commitment to responsible sourcing and fair labor practices.

Certified by SA8000 and WRAP, we operate with clear ethical standards, ensuring that both people and processes are treated with care and respect. Our sourcing decisions are made with sustainability in mind, and we actively seek materials that meet international standards for environmental and social responsibility.

Additionally, we apply LEAN manufacturing principles throughout our production cycle to reduce waste, conserve energy and materials, and continuously improve operational efficiency. Transparency is central to how we work, we maintain open, honest communication with our clients, keeping them informed at every stage of development and production.

Thygesen Textile Vietnam is known as an ethical clothing manufacturer in Vietnam, providing OEM services for activewear, casualwear, and underwear etc
Thygesen Textile Vietnam is known as an ethical clothing manufacturer in Vietnam, providing OEM services for activewear, casualwear, and underwear etc

3.2. Hung Long  

Founded: 1996

Country: Vietnam

Product Lines: Specializing in Jacket, Coat, Trousers Manufacturing

Featured Customer: Nike, Puma, The North Face, Speedo

Hung Long is a well-established Vietnamese clothing manufacturer, known for its strong production capacity and focus on ethical practices. With 29 production lines, over 2,600 skilled workers, and a factory area of 50,000 m², the company delivers more than 1 million units per month.

What sets Hung Long apart is its deep commitment to social compliance and sustainable manufacturing. The factory holds certifications from WRAP, BSCI, GSV, and Better Work, ensuring adherence to global standards on labor rights, safety, and environmental practices. The company places a strong emphasis on maintaining stable employment, offering fair working conditions, and continuously improving workforce welfare.  With a long-term vision for growth and ethics, Hung Long positions itself as a trusted, forward-thinking manufacturing partner for global fashion brands.

Hung Long holds certifications such as WRAP, BSCI, GSV, and Better Work, ensuring global standards for labor rights, safety, and environmental responsibility
Hung Long holds certifications such as WRAP, BSCI, GSV, and Better Work, ensuring global standards for labor rights, safety, and environmental responsibility

3.3. VIT Garment

Founded: 1991

Country: Vietnam

Product Lines: Specializing in Denim and Woven Clothing Manufacturing

Featured Customer: Wrangler, Lee, Edwin, Mossy, Sweet Camels, Tommy Hiffiger

VIT Garment is a trusted manufacturer specializing in denim, garment dyeing, and washing. With a stable team of over 1,300 skilled workers and experienced technicians, the factory delivers around 300,000 garments and over 1 million washed products per year, meeting high standards of quality and timely delivery.

To address environmental concerns, VIT Garment has invested heavily in a modern wastewater treatment system, ensuring responsible water management and compliance with sustainability goals.

VIT Garment is a trusted Vietnamese manufacturer specializing in denim, garment dyeing, and washing
VIT Garment is a trusted Vietnamese manufacturer specializing in denim, garment dyeing, and washing

3.4 TCE Denim 

Founded: 1956

Country: Korea and Vietnam

Product Lines: Specializing in Denim Clothing Manufacturing

Featured Customer: Wrangler, Lee, Edwin, Mossy, Sweet Camels, Tommy Hiffiger

TCE Denim is one of Asia’s oldest and most established denim manufacturers, operating since 1956. Based in Southeast Asia, the company is known for its fully vertically integrated supply chain, from fabric production to garment washing, offering convenience and consistency to global clients. TCE places strong emphasis on quality, customization, and full sustainability across all operations, positioning itself as a trusted partner for premium denim solutions.

With a fully vertically integrated supply chain from fabric production to garment washing, TCE offers global clients consistent quality and convenience
With a fully vertically integrated supply chain from fabric production to garment washing, TCE offers global clients consistent quality and convenience

3.5. Pearl Global

Founded: 1987

Country: India

Product Lines: Specializing in Fashion and Sportswear Manufacturing

Featured Customer: Ralph Lauren, Kohl’s, Mango, American Eagle, Calvin Klein, Tommy Hilfiger

Pearl Global is one of India’s largest apparel manufacturing companies, with over 25 garment production facilities and more than 25,700 employees worldwide. Driven by a commitment to social, moral, and ethical responsibility, Pearl Global integrates sustainability into its operations. The company emphasizes transparency, fair labor practices, and social impact, aligning its business strategy with long-term ethical goals.

Pearl Global is one of India’s largest apparel manufacturers, operating over 25 garment production facilities with more than 25,700 employees worldwide
Pearl Global is one of India’s largest apparel manufacturers, operating over 25 garment production facilities with more than 25,700 employees worldwide

3.6. Square Fashions

Founded: 1997

Country: Bangladesh

Product Lines: Casualwear, Sportswear, Undergarments, Denim

Featured Customers: Puma, G-Star, M&S, Hugo Boss

Square Fashions is a leading knitwear manufacturer known for its commitment to sustainability. The company operates a large-scale wastewater treatment system, reuses water and steam, and adopts energy-efficient solutions like LED lighting and servo motors. It also focuses on pollution control, green space development, and recycling of cotton waste, plastic, and paper. These efforts reflect its strong focus on responsible, eco-conscious production.

Square Fashions  operates a large-scale wastewater treatment system, reuses water and steam, and applies energy-efficient solutions such as LED lighting and servo motors
Square Fashions  operates a large-scale wastewater treatment system, reuses water and steam, and applies energy-efficient solutions such as LED lighting and servo motors

3.7. Crystal Group

Founded: 1970

Country: Hong Kong

Product Lines: Sportswear, Casualwear, Underwear

Featured Customers: Nike, UNIQLO, A&F, GAP, Victoria’s Secret, H&M

Crystal is one of the world’s largest apparel manufacturers, with 20 factories across five countries and around 80,000 employees. It produces over 470 million garments annually, covering denim, lifestyle wear, intimates, sportswear, and more. The company follows the philosophy “For The Greater Good,” prioritizing people, the planet, and responsible business. Its sustainability efforts focus on environment, innovation, product integrity, employee care, and community engagement.

Crystal produces over 470 million garments annually, ranging from denim and lifestyle wear to intimates and sportswear
Crystal produces over 470 million garments annually, ranging from denim and lifestyle wear to intimates and sportswear

3.8. Esquel Group 

Founded: 1978

Country: Hong Kong

Product Lines: Activewear, Casualwear

Featured Customers: Nike, Li Ning, ANTA Sports, Fila, Giordano

Headquartered in Hong Kong with operations centered in China, Esquel Group is a vertically integrated textile and apparel manufacturer with over 40 years of experience. The company focuses on sustainable growth, innovation, and people-centric development across Asia and global markets.

Esquel is committed to responsible business, guided by its “eCulture” pillars: Ethics, Environment, Exploration, Excellence, and Education. It promotes ethical conduct, diversity, and mutual respect while aiming for net zero and positive industry change.

Headquartered in Hong Kong with operations centered in China, Esquel Group is a vertically integrated textile and apparel manufacturer with over 40 years of experience
Headquartered in Hong Kong with operations centered in China, Esquel Group is a vertically integrated textile and apparel manufacturer with over 40 years of experience

4. How to Identify Ethical Clothing Manufacturers?

Finding the right production partner isn’t just about quality and price, knowing how to identify ethical clothing manufacturers is key to building a responsible and sustainable brand.

4.1. Look for Key Certifications for Fabrics and  Ethical Practices

When evaluating a clothing manufacturer, checking for key certifications should always be the first step. These eco-friendly certifications are issued by independent organizations after thorough inspections, covering not only factory working conditions but also fabric quality and environmental practices.

Certified factories must go through regular audits, ensuring workers are treated fairly, workplace conditions are safe, and fabrics meet chemical safety and sustainability requirements.

Some of the most widely recognized certifications include:

  • GOTS (Global Organic Textile Standard): Organic materials and eco-friendly processing.
  • OEKO-TEX Standard 100: Fabrics free from harmful chemicals.
  • GRS (Global Recycled Standard): Verification of recycled content and responsible production.
  • OCS (Organic Content Standard): Verification of organic material content in products.
  • WRAP (Worldwide Responsible Accredited Production): Lawful, humane, and ethical production.
  • SA8000: Focused on social accountability and workplace conditions.
  • GSV (Global Security Verification): Ensures supply chain security and compliance.
  • BSCI (Business Social Compliance Initiative): Labor rights and workplace safety.

4.2. Factory Transparency and Open Communication

Transparency isn’t just about sharing factory addresses or posting certifications online,  it also shows through how a manufacturer communicates during the process. From the first inquiry to discussing product development, pricing, lead times, and production details, ethical manufacturers are clear, honest, and responsive.

If a supplier answers questions openly, provides realistic timelines, quotations transparently, and doesn’t avoid sensitive topics like compliance or minimum order quantities, that’s a positive sign. On the other hand, vague answers, delays in communication, or promises that seem “too good to be true” could signal hidden issues.

Real transparency means both sides can have open discussions about expectations, limitations, and solutions from the very beginning not just after problems arise.

4.3. Visit the Factory or Request a Virtual Tour

Whenever possible, visiting the factory in person is one of the most direct ways to verify ethical standards. A physical visit allows brands to see the actual working environment, check safety measures, and observe how workers are treated on the production floor, things that cannot be fully assessed through paperwork alone.

If traveling isn’t an option, requesting a virtual factory tour is a practical alternative. Many ethical manufacturers are willing to share videos, live calls, or updated factory photos showing their facilities, machinery, and workplace conditions. This level of openness helps confirm whether what’s written in certifications or emails reflects the reality on the ground.

When choosing a clothing manufacturer, key certifications like WRAP, SA800 are one of the first things to check
When choosing a clothing manufacturer, key certifications like WRAP, SA800 are one of the first things to check

In conclusion, Choosing an ethical clothing manufacturer is key to building a responsible and sustainable brand. Certifications, transparent communication, fair labor conditions, and environmental responsibility are all important factors to consider. At Thygesen Textile Vietnam, these values are at the core of how we work. For collaboration, visit thygesenapparel.com or contact us at sale@thygesen.com.vn.

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