The Global Biosolids Market was valued at USD 6.98 Billion in 2024 and is projected to reach USD 9.60 Billion by 2032, growing at a Compound Annual Growth Rate (CAGR) of 4.8% during the forecast period (2024–2032). This growth is being driven by stringent environmental regulations, increasing wastewater treatment volumes globally, and the accelerating adoption of sustainable biosolids management solutions for agriculture, energy recovery, and landfill diversion.

As the global focus intensifies on circular economy principles and resource recovery, the spotlight is on the key utilities and service providers who are transforming waste into valuable resources. In this blog, we profile the Top 10 Companies in the Biosolids Industry—a mix of multinational water giants, regional leaders, and innovative service providers shaping the future of sustainable waste management.

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🔟 10. Severn Trent Plc

Headquarters: Coventry, United Kingdom
Key Offering: Biosolids Recycling, Renewable Energy Generation, Land Application Programs

Severn Trent is a leading UK water and waste utility, serving over 8 million people. The company manages significant biosolids volumes through advanced anaerobic digestion, producing renewable biogas for its energy needs and generating high-quality, nutrient-rich biosolids for agricultural use across central England and Wales.

Sustainability Initiatives:

• Commitment to 100% beneficial reuse of biosolids
• Major investments in thermal hydrolysis (THP) to enhance biogas yield and produce Class A biosolids
• Target to generate 50% of its energy from renewable sources by 2025

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9️⃣ 9. Thames Water Utilities Ltd.

Headquarters: Reading, United Kingdom
Key Offering: Biosolids Management, Advanced Thermal Treatment, Carbon-Neutral Products

Thames Water, the UK’s largest water and wastewater services company, manages one of Europe’s largest biosolids programs. It processes over 300,000 dry tonnes of sludge annually, utilizing technologies like digestion, gasification, and land application to drive its sustainability agenda.

Sustainability Initiatives:

• Developing the UK’s first large-scale biosolids gasification plant to generate renewable energy
• Award-winning “Pooh Power” program converting biosolids into green electricity
• Comprehensive land bank for agricultural recycling with stringent environmental monitoring

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8️⃣ 8. Saur S.A.S.

Headquarters: Paris, France
Key Offering: Integrated Water Cycle Management, Sludge Treatment & Valorization

Saur is a major French player in water and environmental services, operating globally. Its biosolids management approach focuses on creating value from sludge through centralized treatment hubs, producing composts and soil conditioners for agriculture, viticulture, and landscaping across Europe.

Sustainability Initiatives:

• Focus on local, circular biosolids solutions tailored to regional agricultural needs
• Innovation in odor control and product formulation to improve market acceptance
• Actively involved in public-private partnerships for sustainable sludge management

Download FREE Sample Report: Biosolids Market – View in Detailed Research Report

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7️⃣ 7. FCC (Aqualia)

Headquarters: Madrid, Spain
Key Offering: Municipal Sludge Treatment, Water Reuse, Biofactory Concepts

Aqualia, the water management arm of FCC Group, is a key operator in Spain and Latin America. It pioneers the “Biofactory” model, where wastewater treatment plants are transformed into facilities that recover water, energy (biogas), and nutrients (biosolids) with a goal of zero waste to landfill.

Sustainability Initiatives:

• Leader in implementing the circular economy “Biofactory” concept worldwide
• Produces certified biosolid-based fertilizers for intensive agriculture in Southern Europe
• Significant R&D investment in pyrolysis and other thermal conversion technologies

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6️⃣ 6. Beijing Enterprises Water Group Ltd. (BEWG)

Headquarters: Beijing, China
Key Offering: Wastewater Treatment, Sludge-to-Energy, Environmental Solutions

As one of China’s largest water treatment companies, BEWG manages a rapidly growing portfolio of sludge treatment facilities. The company is central to China’s national push to address sludge management challenges, deploying advanced incineration, co-processing, and drying technologies at scale.

Sustainability Initiatives:

• Massive investment in modern sludge incineration plants with energy recovery
• Exploring sludge co-processing in cement kilns to reduce fossil fuel use
• Expanding its footprint across Asia to export sludge management expertise

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5️⃣ 5. Companhia de Saneamento Básico do Estado de São Paulo (Sabesp)

Headquarters: São Paulo, Brazil
Key Offering: Sanitation Services, Agricultural Biosolids, Biofertilizers

Sabesp is Brazil’s leading water and sanitation utility, whose biosolids program is one of the largest in Latin America. It applies over 1.4 million dry tons of treated biosolids annually to agricultural lands, supporting sugarcane, corn, and eucalyptus plantations under a robust regulatory framework.

Sustainability Initiatives:

• Long-term, large-scale agricultural application program with extensive agronomic research
• Renowned “Biosolids” brand for its agricultural-grade product, building farmer trust
• Committed to full beneficial use, significantly reducing landfill disposal

Download FREE Sample Report: Biosolids Market – View in Detailed Research Report

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4️⃣ 4. American Water Works Company, Inc.

Headquarters: Camden, New Jersey, USA
Key Offering: Regulated & Market-Based Biosolids Services, Class A EQ Products

As the largest publicly traded U.S. water and wastewater utility, American Water operates a vast network of treatment facilities. Its biosolids strategy emphasizes producing Exceptional Quality (Class A) products, expanding into branded soil amendment markets, and investing in advanced dewatering and thermal drying.

Sustainability Initiatives:

• National leader in producing and marketing bagged, retail Class A biosolids composts
• Investment in alkaline stabilization and thermal drying to create versatile, high-value products
• Focus on diversifying end-use markets to mitigate agricultural seasonal demand

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3️⃣ 3. SUEZ SA

Headquarters: Paris, France
Key Offering: Global Water & Waste Solutions, Sludge Treatment Technologies, Recycling Services

SUEZ is a global environmental services leader with a sophisticated biosolids management division. The company provides end-to-end solutions—from sludge treatment with technologies like digestion and pyrolysis to product marketing and land application logistics—across Europe, North America, Asia, and Australia.

Sustainability Initiatives:

• Worldwide operator of advanced anaerobic digestion plants generating renewable energy
• Pioneer in developing commercial outlets for biosolids in forestry and land reclamation
• Strong R&D focus on removing emerging contaminants (e.g., PFAS, microplastics)

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2️⃣ 2. Veolia Environnement S.A.

Headquarters: Paris, France
Key Offering: Comprehensive Resource Management, Thermal Hydrolysis, Bioenergy, Circular Solutions

Veolia stands as a titan in environmental services, with an unmatched global footprint in biosolids management. The company leverages its scale to implement the most advanced treatment technologies, such as thermal hydrolysis pretreatment (THP), to maximize energy recovery and produce superior quality biosolids for safe reuse.

Sustainability Initiatives:

• Global leader in deploying Cambi™ thermal hydrolysis process for enhanced biogas and Class A biosolids
• Actively transforms wastewater plants into resource recovery facilities (water, energy, nutrients)
• Committed to developing new valorization pathways, including nutrient extraction and material recovery

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1️⃣ 1. Xylem Inc. (Including Evoqua Water Technologies)

Headquarters: Washington, D.C., USA (Evoqua: Pittsburgh, Pennsylvania, USA)
Key Offering: Advanced Treatment Technologies, Dewatering Systems, Digestion & Thermal Solutions

While not a utility, Xylem, bolstered by its acquisition of Evoqua, is the premier technology and equipment provider driving innovation in the global biosolids market. The company supplies the critical systems—from centrifuges and membrane bioreactors to sophisticated thermal dryers and control software—that enable efficient, sustainable biosolids processing for thousands of clients worldwide.

Sustainability Initiatives:

• Provides the technology backbone for reducing biosolids volume and enhancing energy recovery
• Leads innovation in low-energy dewatering, nutrient recovery, and odor management systems
• Empowers clients globally to meet stringent regulations and achieve circular economy goals

Get Full Report Here: Biosolids Market – View in Detailed Research Report

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🌍 Outlook: The Future of Biosolids is Resource Recovery and Resilience

The biosolids market is undergoing a fundamental transformation. While traditional land application remains vital, the industry is innovating rapidly to extract maximum value, address emerging contaminants, and bolster climate resilience, driven by a powerful mix of regulatory pressure and sustainability ambition.

📈 Key Trends Shaping the Market:

• Accelerated adoption of thermal hydrolysis (THP) and advanced anaerobic digestion for energy-positive treatment
• Growing regulatory focus and research on managing PFAS, microplastics, and pharmaceuticals in biosolids
• Expansion of “Biofactory” and “Water Resource Recovery Facility” models that output water, energy, and nutrients
• Increased investment in thermal conversion (pyrolysis, gasification) for permanent contaminant destruction and biochar production
• Digitalization and IoT for optimizing biosolids processing, logistics, and environmental monitoring

Get Full Report Here: Biosolids Market – View in Detailed Research Report

The companies listed above are not only managing a critical waste stream—they are proving that sustainable sanitation is a cornerstone of a resilient, circular, and resource-efficient global economy.