India’s environmental consulting sector has emerged as a critical pillar of the nation’s sustainable development journey in 2026. As the country balances rapid industrialization with stringent environmental regulations, businesses across sectors are increasingly turning to specialized consulting firms to navigate complex compliance requirements, achieve ESG goals, and implement sustainable practices. The global environmental consulting services market reached approximately 54.97 billion dollars in 2026 and is projected to grow at a compound annual growth rate of 6.8 percent through 2035, with India representing one of the fastest-growing regional markets in Asia-Pacific.
The regulatory landscape in India has become increasingly rigorous with the introduction of the Environment Audit Rules 2025, revised Environmental Impact Assessment regulations, and strengthened pollution control norms. These developments have elevated the importance of environmental consultants who serve as essential intermediaries between regulatory authorities and industries seeking to operate responsibly while maintaining profitability. This comprehensive guide examines the top ten environmental consulting firms shaping India’s green economy in 2026.
1. AECOM India
Market Position: Global Infrastructure and Environmental Consulting Leader
AECOM India stands as a subsidiary of the global AECOM Corporation, which maintains its position as one of the world’s premier environmental consulting powerhouses. With roots tracing back to 1990, AECOM has built an unparalleled reputation for delivering comprehensive environmental solutions across infrastructure, water, energy, and urban development sectors.
The firm’s India operations specialize in environmental impact assessments, site remediation, sustainability strategies, and regulatory compliance solutions. AECOM has particularly distinguished itself through its work on emerging contaminants such as PFAS (per- and polyfluoroalkyl substances) and its integration of digital twin technology and nature-based solutions to address complex environmental challenges.
In January 2025, AECOM launched its Water and Environment Advisory business line globally, integrating water infrastructure, remediation, and climate-resilience services into a unified offering. This strategic initiative has strengthened AECOM India’s capacity to serve clients facing water scarcity, pollution control, and climate adaptation challenges that are particularly acute in India’s rapidly urbanizing regions.
Core Services: Environmental impact assessments for major infrastructure projects, environmental permitting, contaminated land remediation, water resource management, sustainable urban planning, climate resilience strategies, and ESG advisory services. The firm serves both Indian and multinational clients across manufacturing, energy, construction, and government sectors.
2. ERM India (Environmental Resources Management)
Market Position: Pure-Play Sustainability Consulting Leader
ERM India operates as part of the global ERM Group, recognized as the world’s largest pure-play sustainability consultancy since its founding in 1987. The firm has established itself as the go-to partner for organizations seeking comprehensive ESG strategies, environmental risk management, and sustainable business transformation.
ERM’s integrated approach bridges policy, finance, and environmental performance, making it uniquely positioned to support clients navigating the intersection of environmental compliance and corporate sustainability. The firm’s India practice serves industries including energy, manufacturing, chemicals, and construction, helping businesses meet ambitious sustainability goals while maintaining regulatory compliance.
In 2026, ERM released its Annual Trends Report highlighting competing pressures and new approaches in sustainability consulting. The firm has been at the forefront of advising clients on ESG reporting frameworks, sustainable finance, nature-positive business transformation, and biodiversity accounting as these areas have gained prominence in India’s corporate landscape.
Strategic Expertise: ERM India excels in transaction advisory for mergers and acquisitions where environmental due diligence is critical, renewable energy project development, climate change strategy, environmental health and safety compliance, social impact assessments, and supply chain sustainability. The firm’s commitment to creating measurable environmental impact has made it a trusted advisor to multinational corporations operating in India.
3. Ramboll India
Market Position: Scandinavian Innovation Meets Environmental Science
Ramboll India represents the Indian operations of Denmark’s Ramboll Group, a foundation-owned engineering, design, and consultancy firm founded in 1945. The company brings distinctive Scandinavian perspectives on sustainability and environmental management to India’s complex environmental challenges.
Known for its integrated solutions approach, Ramboll India provides services spanning environmental assessments, sustainable development projects, water resilience planning, decarbonization strategies, and environmental management systems. The firm specializes in combining environmental health sciences with practical engineering solutions to deliver projects that balance ecological preservation with economic development.
Ramboll’s foundation ownership model ensures long-term investment in sustainable research and innovation, allowing the firm to maintain technical leadership in areas such as air quality modeling, noise assessment, biodiversity conservation, and climate adaptation planning. This structure has enabled Ramboll India to take on complex, long-duration projects that require sustained commitment beyond typical commercial timelines.
Industry Focus: Ramboll India serves clients across infrastructure development, energy transition, water resource management, and urban planning sectors. The firm has built particular expertise in helping manufacturing and industrial clients implement cleaner production technologies while achieving environmental clearances for expansion projects.
4. Corpseed ITES Pvt. Ltd.
Market Position: Leading Indian Digital Compliance Platform
Corpseed ITES represents a homegrown success story in India’s environmental consulting sector. Founded in 2018 and headquartered in Noida, the company has rapidly established itself as one of India’s most comprehensive providers of environmental compliance and sustainability consulting services.
Unlike traditional consulting firms, Corpseed operates as a digital compliance platform that has served over 10,000 entrepreneurs and small to medium enterprises in streamlining government approvals and environmental clearances. The company’s technology-enabled approach makes environmental compliance accessible to businesses of all sizes, democratizing access to expertise that was previously available primarily to large corporations.
Corpseed’s strategic collaboration with the Confederation of Indian Industry enhances its ability to deliver industry-specific solutions and stay current with rapidly evolving regulatory requirements. The firm has maintained an excellent track record in obtaining environmental clearances across diverse sectors and helping businesses navigate the Extended Producer Responsibility framework introduced under India’s waste management rules.
Service Portfolio: Environmental clearance applications, Environmental Impact Assessments, pollution control board authorizations, EPR compliance for plastic waste, battery waste, e-waste and tire management, sustainability strategy development, carbon footprint analysis, environmental health and safety compliance, and regulatory monitoring. Corpseed’s customer-first approach backed by experts in environmental law, technology, and management has earned the firm recognition as a trusted partner for businesses seeking to balance growth with environmental responsibility.
5. HECS (Hindustan Environment Consultancy Services)
Market Position: Veteran Indian Environmental Consultancy
With over 30 years of experience in environmental consultancy, HECS has established itself as a trusted name across India’s industrial landscape. As a NABET (National Accreditation Board for Education and Training) Accredited Consultant Organisation serving more than 20 sectors, HECS represents the depth of homegrown Indian environmental consulting expertise.
The firm’s competitive advantage lies in its in-house NABL (National Accreditation Board for Testing and Calibration Laboratories) and Ministry of Environment, Forest and Climate Change approved laboratory facilities. This integrated capability enables HECS to deliver accurate environmental testing and monitoring alongside consulting services, providing clients with a comprehensive one-stop solution for environmental compliance needs.
Having successfully obtained Environmental Clearances for over 4,000 projects across India, HECS brings unparalleled experience in navigating India’s regulatory framework. The firm maintains a team of over 20 NABET approved EIA Coordinators and functional area experts who ensure proper guidance at every stage of the clearance process, backed by an excellent track record in presentations before Expert Appraisal Committees and State Environment Appraisal Committees.
Operational Strengths: Pan-India presence covering all major industrial hubs, sector-specific knowledge spanning manufacturing, construction, healthcare, hospitality, and infrastructure development, streamlined processes that deliver faster approvals without compromising quality, and established relationships with regulatory bodies. HECS’s deep understanding of regional variations in environmental regulations and enforcement practices makes it particularly valuable for businesses operating across multiple Indian states.
6. WSP India
Market Position: Global Engineering and Environment Integration
WSP India operates as part of WSP Global, one of the world’s leading engineering and professional services firms. The company has distinguished itself through its ability to integrate environmental planning with engineering design, delivering solutions that address sustainability from project conception through execution.
WSP India’s environmental practice focuses on sustainable design, environmental planning, climate change adaptation, renewable energy integration, and resilient infrastructure development. The firm actively contributes to pivotal projects promoting eco-friendly urban development, water security, and low-carbon transportation systems across India’s rapidly expanding cities.
The parent company’s February 2025 acquisition of Power Engineers for 1.78 billion dollars significantly broadened WSP’s power-sector capabilities and consolidated its renewable infrastructure credentials globally. While the full integration of these capabilities into WSP India’s operations is ongoing, the acquisition positions the firm to play an increasingly significant role in India’s renewable energy transition.
Service Excellence: WSP India combines global best practices with local regulatory expertise, enabling the firm to serve both multinational corporations and domestic clients seeking world-class environmental consulting. The firm’s strength in combining civil engineering, environmental science, and urban planning disciplines allows for holistic project approaches that optimize both environmental performance and project economics.
7. SGS India
Market Position: Global Leader in Inspection and Environmental Testing
SGS India represents the Indian operations of a globally recognized leader in inspection, verification, testing, and certification services. While SGS provides services across multiple domains, its environmental consulting practice has become increasingly significant as Indian industries face heightened scrutiny of their environmental performance.
The company provides environmental audits, air and water quality testing, soil contamination assessment, waste management solutions, and environmental compliance verification. SGS India’s commitment to ensuring environmental safety and regulatory compliance has helped numerous organizations mitigate environmental risks and demonstrate adherence to both national and international environmental standards.
SGS India leverages the parent company’s global network of laboratories and technical expertise while maintaining deep understanding of India’s specific regulatory requirements. This combination enables the firm to serve clients requiring international certification alongside domestic compliance, making SGS particularly valuable for export-oriented industries and multinational corporations operating in India.
Technical Capabilities: State-of-the-art testing laboratories equipped to analyze environmental samples to international standards, certification services for environmental management systems including ISO 14001, supply chain sustainability audits, product environmental footprint assessments, and verification services for carbon credits and environmental claims.
8. Consultivo
Market Position: Specialized Climate and Environmental Solutions
Consultivo has emerged as a specialized environmental consulting firm providing technical environmental services that drive Environmental, Social, and Governance performance for Indian industries. The firm positions itself at the intersection of mandatory compliance and strategic climate resilience, translating environmental risk into strategic advantage for clients.
Consultivo’s service framework encompasses three key solution areas covering legal, regulatory, and governance requirements that form the foundation for credible environmental performance. The firm has developed particular expertise in energy efficiency, having released the CII-Consultivo ENCON Compendium 2025 in December 2025, themed around powering tomorrow through innovation for a resilient and sustainable energy future.
The company’s partnership with the Confederation of Indian Industry on various environmental initiatives, including the ICC Environment Excellence Awards, demonstrates its integration into India’s institutional framework for environmental governance. Consultivo has also positioned itself as a sustainability partner for high-profile events, including climate-neutral events hosted by diplomatic missions.
Service Specialization: Climate change and environmental consultancy for industries, environmental compliance and regulatory advisory, energy efficiency and resource optimization, biodiversity strategy aligned with ISO 17298 standards, plastic neutrality programs, hospital waste management, EHS due diligence for manufacturing facilities, and environmental governance strengthening.
9. Kadam Environmental
Market Position: Trusted Infrastructure and Manufacturing Specialist
Kadam Environmental has established itself as a leading environmental consultancy serving India’s infrastructure, energy, and manufacturing sectors. The company provides comprehensive services including environmental clearances, Environmental Impact Assessments, sustainability assessments, and ongoing environmental compliance monitoring.
The firm’s commitment to sustainable growth practices combined with deep regulatory compliance expertise has made Kadam Environmental a trusted partner for clients navigating India’s complex environmental clearance processes. The company has built strong relationships with state and central environmental authorities, enabling efficient processing of clearance applications while maintaining technical rigor in environmental studies.
Kadam Environmental has developed sector-specific expertise that allows the firm to anticipate regulatory challenges and proactively address potential issues before they become obstacles to project approvals. This forward-looking approach has earned the firm loyalty from clients undertaking large-scale infrastructure and industrial projects requiring multiple environmental permits and clearances.
Client Value Proposition: Streamlined environmental clearance processes, comprehensive EIA studies meeting regulatory standards, sustainability assessment frameworks aligned with international best practices, post-clearance compliance monitoring, environmental management plan implementation support, and regulatory liaison services.
10. Arcadis India
Market Position: European Sustainability Expertise for Indian Markets
Arcadis India operates as part of Arcadis NV, a Dutch multinational with roots dating to 1888. The company brings European sustainability expertise and global delivery capabilities to India’s environmental consulting market, with particular strength in urban climate adaptation, contaminated land remediation, and natural capital integration.
Arcadis has distinguished itself through its use of digital environmental performance platforms that enable real-time monitoring and data-driven environmental management. The firm’s approach blends traditional environmental consulting with cutting-edge technology, including geographic information systems, environmental modeling, and digital twins for complex environmental systems.
The company’s work spans environmental planning for smart cities, water management for drought-prone regions, climate adaptation strategies for vulnerable communities, and brownfield redevelopment projects that transform contaminated sites into productive uses. Arcadis India’s ability to combine environmental remediation with urban regeneration has made it valuable for India’s growing focus on sustainable urbanization.
Technical Innovation: Advanced environmental modeling and simulation, nature-based solutions for climate adaptation, circular economy implementation for industrial clients, green infrastructure design, environmental data management platforms, and integrated water resource management combining traditional engineering with ecological principles.
Industry Trends Shaping Environmental Consulting in 2026
The environmental consulting sector in India is experiencing transformation driven by several converging forces. The introduction of Environment Audit Rules 2025 has created demand for certified environmental auditors who can conduct independent verification of industrial compliance. This regulatory development has expanded the scope of environmental consulting beyond traditional project-based services to ongoing monitoring and verification work.
Corporate ESG reporting requirements have intensified as investors and stakeholders demand greater transparency on environmental performance. Consulting firms are increasingly supporting clients with ESG strategy development, sustainability reporting aligned with global frameworks, and integration of environmental considerations into core business strategy. The growth of sustainable finance instruments including green bonds and ESG-linked lending has created new opportunities for environmental consultants to support due diligence and verification processes.
India’s commitment to achieving net-zero emissions by 2070 has accelerated demand for climate consulting services. Firms are helping industries develop decarbonization roadmaps, assess climate risks to operations and supply chains, and identify opportunities in the growing renewable energy sector. The biodiversity consulting market, valued at 2.9 billion dollars globally in 2024, is projected to reach 6.8 billion dollars by 2033, with India representing significant growth potential as awareness of nature-related risks increases.
Technology integration has become a defining characteristic of leading environmental consulting firms. Artificial intelligence is being deployed for habitat analysis, GIS mapping enables sophisticated spatial analysis of environmental impacts, and cloud-based platforms facilitate real-time environmental monitoring and reporting. Firms investing in these capabilities are gaining competitive advantages through improved accuracy, faster turnaround times, and enhanced client service.
The market faces challenges including data gaps in environmental baseline studies, project cost pressures that can compromise thoroughness, stakeholder alignment difficulties in contentious projects, and climate change uncertainty that complicates long-term environmental predictions. However, these challenges create opportunities for consulting firms that can deliver innovative solutions addressing India’s unique environmental context.
Future Outlook
India’s environmental consulting market stands at an inflection point as the country seeks to balance economic growth with environmental sustainability. The sector is projected to maintain robust growth through 2030, driven by expanding regulatory requirements, increasing corporate sustainability commitments, and growing awareness of environmental risks among business leaders.
The firms profiled in this article represent diverse approaches to environmental consulting, from global powerhouses bringing international expertise to homegrown specialists with deep understanding of India’s regulatory landscape. Success in this market requires combining technical excellence with regulatory knowledge, business acumen, and commitment to genuine environmental improvement rather than mere compliance box-checking.
As India continues its journey toward sustainable development, environmental consulting firms will play increasingly strategic roles in shaping how industries operate, how infrastructure is developed, and how natural resources are managed. The top firms of 2026 are those that have positioned themselves not merely as compliance facilitators but as strategic partners in their clients’ sustainability transformations, delivering solutions that create value for businesses, communities, and the environment simultaneously.
Conclusion
The environmental consulting landscape in India has matured significantly, with firms offering sophisticated services spanning regulatory compliance, sustainability strategy, climate resilience, and ESG integration. The top ten firms highlighted in this article represent the breadth of expertise available to Indian businesses navigating the complex intersection of environmental responsibility and economic growth. From global giants like AECOM and ERM bringing international best practices to Indian specialists like Corpseed and HECS offering deep regulatory expertise, these firms are instrumental in advancing India’s environmental objectives while supporting responsible industrial development. As environmental regulations continue to strengthen and corporate sustainability commitments deepen, these consulting firms will remain essential partners in India’s transition toward a greener, more sustainable economy.
