Integrated Advisory
for Responsible Business

Multidisciplinary consultancy across environmental management, climate resilience, ESG, water resources, and infrastructure development, supporting clients across the full project and asset lifecycle.

Environmental Consulting
Experts for Industry

Providing expert environmental consulting for complex industrial challenges. Helping businesses achieve compliance, efficiency, and sustainability.

ISS Consultancy brings together multidisciplinary expertise to help organizations make informed decisions and achieve long-term business objectives, supporting clients from strategic planning and investment decisions through regulatory approvals, operational performance, sustainability transformation, and climate action.

900+

Clients

30+

Industry Sectors

350+

Environment clearances

Three
Practice Areas

Three areas of expertise. One commitment to sustainability.

Strategy, Planning &
Financing (SPF)

Impact Assessment &
Permitting (IAP)

Corporate Sustainability & Climate Change

Why Choose
ISS for Consulting

Providing end-to-end consulting backed by science, compliance, and operational insight. Enabling informed decisions for sustainable business growth. 

RESL Applied AI — Consulting & Permitting Capabilities Disclosure Widget v44
  • Integrated teams of environmental scientists, engineers, hydrogeologists, economists, social specialists, climate experts, and sustainability professionals working collaboratively.

  • Deep expertise across environmental sciences, water resources, sustainability, climate change, ESG, and regulatory compliance, spanning a wide range of sectors and project types.

  • QCI NABET-accredited in-house EIA Coordinators (ECs), empanelled and in-house Functional Area Experts (FAEs) and Functional Area Associates (FAAs), experienced technical staff.

  • From strategy, planning, and feasibility through approvals, implementation, monitoring, and performance improvement.

  • Experience spanning national regulatory frameworks and international lender requirements across diverse geographies and sectors.

  • Recommendations grounded in operational reality, built to be technically sound, commercially viable, and achievable in practice.

Consulting and Permitting Services
Multidisciplinary Expertise
Technical Depth
Field of Expertise
Project Lifecycle Support
Global Standards Local Knowledge
Implementation-Focused Solutions

Industries
we Serve

Serving a wide range of industries with tailored consulting and compliance services. Helping businesses achieve sustainable, efficient, and responsible operations. 

Our Clients

Clients by Sector Section

Government & Public Sector

APIIC, APGENCO, APPGCL Hyderabad, Assam Power Generation Corp, BBNDA (HP), Bangalore Development Authority, Dept. of Fisheries (Karnataka), Dept. of Tourism & Culture (Odisha), J&K Industrial Development Corp, Kanpur Development Authority, Karnataka Housing Board, KIADB, Maharashtra State Power Generation Co., MECL, MP Power Generating Co., NALCO, NMDC, ONGC (Chennai & Rajahmundry), PWD (Bangalore, Chennai, Vellore), South Eastern Coal Fields, TANGEDCO, TGIIC, Telangana State Mineral Development Corp, TSGENCO, Singareni Collieries, Town Municipal Councils (Karnataka)

Explore Our
ISS Offerings

From strategy to implementation, discover our ISS expertise. Delivering practical solutions for long-term sustainability.

Blogs & Articles

Explore insights, ideas, and perspectives shaping the future of sustainability.

From Ambition to Implementation

Partner with us to translate sustainability priorities into practical, scalable and measurable action.

Email Us

info@re.one

Across Asia, North America, the Middle East and Africa, our people are closer to you, bringing regional understanding and global expertise together.