Company lists · Data refreshed September 2026
Top 25 Environmental sustainability consulting firms based in New Delhi, India
RevenueBase identified 120 environmental sustainability consulting firms headquartered in New Delhi, India as of September 2026 and tracks 2,098 professional contacts across them, including 435 with verified work emails. Mumbai is the largest hub.
This list covers environmental sustainability consulting firms headquartered in New Delhi, India, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 21, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest environmental sustainability consulting firms based in New Delhi, India
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 348 contacts → | ||||
Strong evidence “Morphogenesis is a leading design and consulting firm operating at the intersection of architecture, urban planning, and sustainability, with a Pan-India presence.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 2 | 145 contacts → | ||||
Partial evidence “Thinkthrough Consulting is a purpose-led multidisciplinary professional services firm that specialises in providing advisory support to sustainable development initiatives.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 3 | 110 contacts → | ||||
Strong evidence “Environmental Design Solutions [EDS] is a sustainability advisory firm focusing on the built environment.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 4 | 95 contacts → | ||||
Partial evidence “Vision EIS Consulting Pvt.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 5 | 65 contacts → | ||||
Partial evidence “Infrastructure Urban Planning EHS Environment Water” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 6 | 62 contacts → | ||||
Partial evidence “At Perfact Group, we are proudly committed to offering environmental solutions that empower businesses to adapt to changing ESG requirements, maintain regulatory compliance, and…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 7 | 59 contacts → | ||||
Partial evidence “INDUS Enviro is one of India's leading Consultancy Organization offering World-Class Excellence in Environment, Health, Safety & Social (EHSS) Due Diligence Auditing, Regulatory…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 8 | 52 contacts → | ||||
Indirect evidence “Consocia stands for Partner!” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 9 | 42 contacts → | ||||
Indirect evidence “Oracles', a conscientious Architecture and Landscape Consultancy Service, celebrates design as a source of delight and a means to craft sensory experiences.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 10 | 40 contacts → | ||||
Strong evidence “Fiinovation is a global consulting company operating in multiple disciplines of social development sector with emphasis on CSR and Sustainability.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 11 | 31 contacts → | ||||
Partial evidence “Asian Consulting Engineers Pvt.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 12 | 26 contacts → | ||||
Indirect evidence “BASICS Architects is one of India's leading Architecture, Planning & Interior Design firm.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 13 | 23 contacts → | ||||
Partial evidence “Everain Global Services Private Limited (Everain Global ServicesTM) is one of the India's fast-growing consulting firms, specializing in consulting, advisory and project…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 14 | 22 contacts → | ||||
Partial evidence “ENEN Green Services Private Limited assist organizations to reduce their carbon footprint and tackle environment degradation through green business practices.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 15 | 17 contacts → | ||||
Strong evidence “Climate Trends is a research-based consulting and capacity-building initiative that aims to bring greater focus on issues of environment, climate change and sustainable…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 16 | 15 contacts → | ||||
Partial evidence “n i i t i consulting is a firm seeking to be a change agent for society.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 17 | 13 contacts → | ||||
Indirect evidence “Alluvium Group in India draws on the Alluvium Group skills and expertise to contribute to solutions for the complex water resources issues facing our region.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 18 | 12 contacts → | ||||
Partial evidence “Climate Secure, established in 2013, is an independent environmental consultancy firm, offering customized carbon advisory services to private companies, NGOs and multilateral…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 19 | 8 contacts → | ||||
Partial evidence “Neo Climate Solutions Private Limited is an international climate change and environmental advisory and research consultancy.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 20 | 7 contacts → | ||||
Partial evidence “Monk Spaces is a sustainability consultant that solves problems related to energy efficiency, carbon footprints, passive and active systems, and building operations.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 21 | 6 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 22 | 6 contacts → | ||||
Partial evidence “We are a group of professionals having hands-on experience of over 20 years in the field of climate change & sustainability (Carbon & Energy, demand-side energy efficiency…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 23 | 4 contacts → | ||||
Indirect evidence “DPAP Architects is based in New Delhi as a professional and diverse design firm working on architectural, urban design and development and interior design commissions.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 24 | 4 contacts → | ||||
Partial evidence “Quasar Enviro Solutions “Energy Environment Nexus” QuasaR Enviro is a dynamic new company with a sharp focus on using technology for customised, practical solutions aimed at…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 25 | 3 contacts → | ||||
Partial evidence “GHG mitigation/adaptation projects, sustainability, policy research” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: environmental sustainability consulting firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names environmental sustainability consulting firms.
- Partial evidence
- Its own public description names part of environmental sustainability consulting firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name environmental sustainability consulting firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 120 environmental sustainability consulting firms based in New Delhi, India
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Environmental sustainability consulting firms based in New Delhi, India at a glance
As of Sep 21, 2026Companies by employee count
Email recency for this list is measured across the whole India list rather than for New Delhi, so it is reported there. Company counts and contact totals on this page are exact for New Delhi, over 120 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among environmental sustainability consulting firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in New Delhi, India whose own description of what they do matches “environmental sustainability consulting firms”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names environmental sustainability consulting firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among environmental sustainability consulting firms, and records with no verified work email. Companies headquartered outside New Delhi are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 435 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 21, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Environmental sustainability consulting firms by metro in India
- Environmental sustainability consulting firms in Mumbai137
- Environmental sustainability consulting firms in Pune124
- Environmental sustainability consulting firms in New Delhi120
- Environmental sustainability consulting firms in Chennai84
- Environmental sustainability consulting firms in Noida67
- Environmental sustainability consulting firms in Bangalore65
- Environmental sustainability consulting firms in Hyderabad56
- Environmental sustainability consulting firms in Bengaluru52
- Environmental sustainability consulting firms in Ahmedabad48
- Environmental sustainability consulting firms in Delhi48
- Environmental sustainability consulting firms in Kolkata44
- Environmental sustainability consulting firms in Jaipur41
- Environmental sustainability consulting firms in Gurugram40
- Environmental sustainability consulting firms in Gurgaon29
- Environmental sustainability consulting firms in Vadodara28
- Environmental sustainability consulting firms in Surat27
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names environmental sustainability consulting firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many environmental sustainability consulting firms are there based in New Delhi, India?
RevenueBase identified 120 environmental sustainability consulting firms headquartered in New Delhi, India as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Morphogenesis, headquartered in New Delhi, tops this list with the largest team on record.
Which city has the most environmental sustainability consulting firms?
Mumbai leads with 137 headquartered companies, followed by Pune (124) and New Delhi (120).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 435 verified decision-maker contacts tracked across these 120 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 21, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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