Best Environment Companies in Kolkata, India
The 65 best Environment companies in Kolkata, India in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Vikram Solar.
Our analysis of 50 Environment companies
$13.1b in tracked funding; 71% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Environment companies in Kolkata
| # | Company | Revenue | Disclosed funding | Employees | Founded | Tech stack | Recent signals |
|---|---|---|---|---|---|---|---|
| 1 | Vikram Solar Manufacturer of solar photovoltaic modules and renewable energy solutions 89Market top 15%Partners top 18%Product top 19%News top 21% All 12 signals ▾Markettop 15% Partnerstop 18% Producttop 19% Newstop 21% Moattop 22% Fin. healthtop 27% Innovationtop 30% Talenttop 30% Growthtop 33% Fundingtop 34% Globaltop 36% Techtop 43% Market: 3,129 employees (top 4% of Solar Energy) · Revenue ~$409M Partners: 2 partnership announcements in 12 mo (3 in 24 mo) · 12 contract events in 12 mo rank vs industry peers · Fliar Intelligence Index 89/100 | $409M FY2025 | $94M | 3,129 3,129 → 2,092 (-33%) | 2005 | WordPressMySQLPHP+34 | — |
| 2 | Techno Electric & Engineering Wind power generation and EPC services in wind sector | $210M FY2017 | $14M | 360 | 1963 | PHPLaravelBootstrap+15 | — |
| 3 | LNB Renewable Provider of EPC and O&M solutions provider for grid-connected solar power plants | $100M FY2024 | — | — | 2012 | — | — |
| 4 | Jupiter Manufacturer of photovoltaic poly-crystalline solar cells 72Innovation top 20%Product top 21%Partners top 26%Moat top 31% All 12 signals ▾Innovationtop 20% Producttop 21% Partnerstop 26% Moattop 31% Fundingtop 36% Talenttop 38% Markettop 39% Techtop 43% Fin. healthtop 47% Newstop 50% Growthbottom 46% Globalbottom 37% Innovation: 5 product lines Product: 5 distinct product lines · Company stage: Series D rank vs industry peers · Fliar Intelligence Index 72/100 | $68M FY2025 | $61M | 425 425 → 561 (+32%) | 1978 | WordPressPleskMySQL+22 | 1 job opening · 1 award |
| 5 | Sova Solar Manufacturer and provider of solar modules | $62M FY2025 | $54K | — | 2008 | WordPressMySQLPHP+33 | — |
| 6 | AVO Manufacturer of solar powered products | $55M FY2025 | — | 175 | 1988 | PHPChart.jsGoogle Maps+16 | 3 job openings |
| 7 | MSTC Provider of e-commerce, e-auctions, procurement, marketing, and recycling services | $46M FY2025 | — | 315 315 → 489 (+55%) | 1964 | Microsoft ASP.NETBootstrapVue.js+16 | — |
| 8 | CFlo Provider of environmental consulting and waste recycling solutions 76Fin. health top 25%Talent top 28%Growth top 35%Market top 38% All 8 signals ▾Fin. healthtop 25% Talenttop 28% Growthtop 35% Markettop 38% Moattop 41% Fundingtop 45% Techbottom 45% Globalbottom 37% Fin. health: Revenue ~$28.0M (FY2021) · Net margin 11.5% Talent: 3 named leaders on record · 3 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 76/100 | $28M FY2025 | $5M | — | 2006 | Windows ServerMicrosoft ASP.NETBootstrap+19 | — |
| 9 | Rean Watertech Provider of water and waste management 48Moat top 23%Fin. health top 35%Market top 44%Funding top 50% All 9 signals ▾Moattop 23% Fin. healthtop 35% Markettop 44% Fundingtop 50% Growthbottom 47% Talentbottom 45% Productbottom 40% Techbottom 35% Globalbottom 29% Moat: Top 8% by revenue among 972 tracked Waste & Water Management companies · Editorial + unicorn rating 5/10 Fin. health: Revenue ~$25.5M (FY2020) · Net margin 14.1% rank vs industry peers · Fliar Intelligence Index 48/100 | $25M FY2025 | $5M | 44 | 2014 | FirebaseReactAOS+4 | — |
| 10 | HR Solar Manufacturer of solar panels and installer of plants | $23M FY2025 | — | — | 2011 | PHPLaravelBootstrap+8 | — |
| 11 | CDE Provider of waste recycling services for construction 76Innovation top 20%Fin. health top 21%Moat top 24%Market top 27% All 10 signals ▾Innovationtop 20% Fin. healthtop 21% Moattop 24% Markettop 27% Producttop 36% Newstop 43% Fundingtop 50% Growthbottom 42% Globalbottom 36% Talentbottom 33% Innovation: 9 product lines Fin. health: Revenue ~$21.3M · Revenue 1.5x total funding rank vs industry peers · Fliar Intelligence Index 76/100 | $21M FY2023 | $14M | 138 | 2006 | — | — |
| 12 | Haldia Water Provider of water treatment and drinking water services | $16M FY2025 | — | 78 | 2019 | WordPressMySQLPHP+21 | — |
| 13 | EOFPL Provider of waste management services | $13M FY2025 | — | 119 | 1995 | Cart FunctionalityWordPressMySQL+23 | — |
| 14 | AMPL Cleantech Develops and operates solar and wind power plants | $10M FY2022 | — | 6 | 2006 | — | — |
| 15 | GreenTech Provider of waste management services | $10M FY2025 | — | — | 2011 | ReactReact RouterLiteSpeed+4 | — |
| 16 | Development Consultants Offers multi-disciplinary services in engineering, power generation, transmission, distribution, cement… | $10M FY2025 | — | 360 | 1950 | PHPCentOSBootstrap+3 | — |
| 17 | Rungta Greentech Provider of plastic waste recycling services | $8M FY2025 | — | 105 | 2005 | WordPressMySQLPHP+28 | — |
| 18 | KSL Cleantech Solar installation company | $7M FY2025 | — | 33 33 → 75 (+127%) | 2015 | WordPressMySQLPHP+28 | 2 job openings |
| 19 | EDCL Developer of hydropower and wind power projects, provider of related consultancy services | $5M FY2023 | $42K | 27 | 1995 | WordPressMySQLPHP+8 | — |
| 20 | Agni Power Offers solar EPC services | $5M FY2025 | — | 98 | 1995 | WordPressMySQLPHP+21 | — |
| 21 | Nimbus Solar Manufacturer of solar products | $2M FY2025 | — | — | 1995 | WordPressMySQLPHP+21 | — |
| 22 | J S Pigment Company specializing in comprehensive e-waste management solutions | $2M FY2025 | — | — | 2010 | — | — |
| 23 | Onergy Provider of design, engineering, manufacturing, installation, O&M, and solar consultancy services | $2M FY2025 | $911K | 7 | 2009 | WordPress Block EditorElementorWordPress+23 | — |
| 24 | Jayshree Chemicals Manufacturer of chlor alkali solutions | $2M FY2025 | — | 23 | 1962 | PleskNginxjQuery | — |
| 25 | Hulladek Provider of waste recycling services | $2M FY2025 | — | 13 | 2014 | Wix eCommerceWixSentry+23 | 1 job opening |
| 26 | Maple Orgtech Provider of microbes based diversified crop biological solutions for farmers | $2M FY2025 | — | 61 | 1996 | Cart FunctionalityWooCommerceWordPress+29 | — |
| 27 | Propello Provider of water purifiers | $1M FY2024 | — | 75 | 2009 | WordPressMySQLPHP+28 | — |
| 28 | Aquatherm Water Treatment Provider of water management solutions, offering innovative technologies for water treatment, filtration, and… | $1M FY2025 | — | — | 1991 | — | — |
| 29 | Consultivo Provider of consulting firm working globally with a focus on risk management and compliance services | $398K FY2025 | — | — | 2016 | WordPressMySQLPHP+20 | — |
| 30 | Paving+ Provider of asphalt and concrete paving services for residential, commercial, and industrial projects | $381K FY2025 | — | — | 2019 | WordPressMySQLPHP+17 | — |
| 31 | Arosia Water Developer of water purification systems | $332K FY2025 | — | — | 2019 | — | 1 partnership |
| 32 | Bhaskar Solar Solar installation and solar rural electrification | $300K FY2022 | — | 460 | 2011 | — | — |
| 33 | Admybinn Provider of waste management services | $276K FY2025 | $43K | 23 | 2014 | — | — |
Top 11 Environment companies in Kolkata
#1
Series D · Kolkata, West Bengal · founded 1978 · 425 employees$61.1Mraised▾
Manufacturer of photovoltaic poly-crystalline solar cells
#2
Seed · Kolkata, West Bengal · founded 2014 · 44 employees$5.1Mraised▾
Provider of water and waste management. Its offerings include services in water distribution, intake and transportation, wastewater treatment, sludge and sewage management, recycling, disposal, and waste management with features like integrated resource management and full-cycle service delivery. It also provides consulting and technical support for infrastructure planning, project execution, and operation & maintenance. The technology used includes treatment plants, process engineering, automation systems, and environmental engineering practices.
- Jun 2025Seed$5.1M
#3
Public · Kolkata, West Bengal · founded 2005 · 3129 employees$94.1Mraised▾
Manufacturer of solar photovoltaic modules and renewable energy solutions. It designs and manufactures solar panels and related components for energy generation. It offers services including system design, installation support, and ongoing maintenance. It supports both residential and commercial renewable energy projects.
- Jun 2024Series B$85.6M
- Mar 2016Series A$1.3M
- Jan 2013Series A$551.2K
- Jan 2012Series A$6.6M
#4
Seed · Kolkata, West Bengal · founded 2006$4.8Mraised▾
Provider of environmental consulting and waste recycling solutions
- Aug 2024Seed$1.9M
- Jul 2019Seed$2.9M
#5
Series A · Kolkata, West Bengal · founded 2006 · 138 employees$14.5Mraised▾
Manufacturer of wet-processing equipment in Kolkata, India serving the Indian subcontinent & South-East Asia. The company designs and manufactures customized equipment for the quarrying, mining, recycling and waste management industries including in-spec sand washing, construction and demolition waste recycling, wastewater treatment, municipal waste management as well as iron ore, manganese and bauxite washing, enabling its clients to expand their mineral processing capabilities by deploying recycling techniques that recover useful construction materials.
#6
Public · Kolkata, West Bengal · founded 1963 · 360 employees$13.9Mraised▾
Techno Electric & Engineering Company entered the power generation sector by acquiring two wind energy generation companies. The company has emerged as an IPP with 207 MW wind energy capacity. TEECL along with its subsidiary, Simran Wind Project possesses an aggregate capacity of 163 MW. It aims to add 100 - 150 MW annually and own around 800 MW of renewable energy capacity by 2017. The company provides EPC services extending from complete power generating plants to system plant packages tailored to complement larger systems supplied by other companies.
#7
Seed · Kolkata, West Bengal · founded 2009 · 7 employees$910.8Kraised▾
Provider of design, engineering, manufacturing, installation, O&M, and solar consultancy services. It provides applications such as solar rooftop power plants, solar water pumping, solar lighting, and microgrids. It also provides innovative products such as solar TV, solar computer, solar micro grids and solar irrigation systems.
- Dec 2019Seed$252.8K
- Nov 2017Seed$81.6K
- Sep 2015Seed$353.7K
- Mar 2015Seed$97.5K
#8
Seed · Kolkata, West Bengal · founded 2014 · 23 employees$42.9Kraised▾
Provider of litter bins and advertising services intended for real-time waste management in the space of waste collection. The company installs waste bins with QR codes on the street in multiple locations across the city and converts those spots into out-of-home advertising locations, enabling clients to place their brand names on top of bins and waste collection places for advertising.
- Nov 2022Seed$42.9K
#9
Public · Kolkata, West Bengal · founded 1995 · 27 employees$42.4Kraised▾
Developer of hydropower and wind power projects, provider of related consultancy services. This entity offers complete hydropower solutions, encompassing feasibility studies, project management, engineering, procurement, construction, and turnkey project delivery. Additional services include operation and maintenance of hydropower plants, as well as rehabilitation, renovation, modernization, and uprating of existing facilities. Consultancy extends to infrastructure development and includes engineering, consultancy, and project management services. The company also undertakes EPC contracts and offers bagasse cogeneration services.
- Oct 2020Grant (prize money)$42.4K
#10
Seed · Kolkata, West Bengal · founded 2008$53.6Kraised▾
Manufacturer and provider of solar modules. It offers PERC solar cells to optimize the energy production. It provides solar cells with dual glass technology. The platform offers solar cells such as Polycrystalline, Mono PERC Bi-Facial, MONO PERC Half-cut solar cell, and more.
- Jan 2014Seed$53.6K
#11
Seed · Kolkata, West Bengal · founded 2019—raised▾
Provider of asphalt and concrete paving services for residential, commercial, and industrial projects. It offers a range of services, such as driveways, roads, and parking lot construction. It converts low-value waste into durable, carbon-negative construction materials and road solutions.
- May 2025Seed—
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Environment coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Environmental Monitoring is moving in India
A read on the academic research around Environmental Monitoring — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 1,195 India-affiliated papers.
- Saveetha University35
- Vellore Institute of Technology University27
- Vel Tech Rangarajan Dr. Sagunthala R&D Institute of Science and Technology21
- Amrita Vishwa Vidyapeetham19
- Lovely Professional University19
- Internet of Things1→65
- Air quality index1→45
- Cloud computing1→42
- Air pollution1→39
- Water quality1→35
- Internet of Things1→65
- Air quality index5→44
- Agriculture1→36
- Water quality4→38
- Pollutant2→34
- Pollution3→35
- Water quality2→25
- Contamination2→15
- Air quality index2→14
- Air pollution2→13
Where environmental monitoring is researched across India
Location clusters by institution affiliation — each city's volume, stance tone, and a quick read on its hot topic, what's advancing, the opening opportunity, and the main concern.
Who's filing environmental monitoring patents in India
India environmental monitoring patent filing is steady — 4 filings from 20 assignees (2020–2025), led by Dubey Vikas, Ramarao T, Kakde Sandeep DR; annual filings 1→1.
- Dubey Vikas1
- Ramarao T1
- Kakde Sandeep DR1
- T JAYA DR1
- Murthy KVR1
- K Vijayan DR1
- MANI Prashant DR1
- Pandey Manoj DR1
Common questions
Riya reads income statements for fun. She covers the real money in a sector — revenue, growth, who actually earns — and never met a vague claim she didn't want a number for.