Radar · Environment Tech in Massachusetts
Best Environment Tech Companies in Massachusetts, United States
The 273 best Environment Tech companies in Massachusetts, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Indigo.
By Rohit KhannaTrends & Stories
273companies tracked
$10Bdisclosed funding
5unicorns
158have raised
FLIAR INTELLIGENCE · ENVIRONMENT TECH × MASSACHUSETTS
Our analysis of 83 Environment Tech companies
$16.0b in tracked funding; 90% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
83companies analysed
90%cloud-native stacks
2025funding peak (by rounds)
9unicorns
2016median founding year
885kcombined LinkedIn audience
46%of audience held by top 3
10companies hiring publicly (12 mo)
Ranked: Best Environment Tech companies in Massachusetts
| # | Company | Disclosed funding | Last round | Stage | Employees | Founder | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | Indigo 🦄 Provider of biological and sustainability solutions for the agriculture industry | $1.4B | 33 mo ago | Series G | 708 708 → 1,393 (+97%) · sector median +60% | Geoffrey Maltzahn Co-Founder | 355 patents Patents concentrated in health & consumer products | 1 partnership |
| 2 | Nexamp 🦄 Provider of community solar programs and energy solutions for businesses 76Funding top 12%Tech top 23%Moat top 23%Talent top 35% All 8 signals ▾Fundingtop 12% Techtop 23% Moattop 23% Talenttop 35% Markettop 38% Growthtop 43% Globalbottom 39% Newsbottom 38% Funding: Raised $1.3B across 12 rounds · 12 rounds over 16 yrs (0.8/yr) Tech: 42 technologies across 6/8 capability areas · Cloud: Cloudflare rank vs industry peers · Fliar Intelligence Index 76/100 | $1.3B | 1 mo ago | Series E | 331 331 → 589 (+78%) · sector median +60% | Zaid Ashai CEO | — | 1 award |
| 3 | Form Energy Clean energy technology platform developing long-duration iron-air battery systems 83Patents top 11%Funding top 15%Innovation top 16%Moat top 26% All 12 signals ▾Patentstop 11% Fundingtop 15% Innovationtop 16% Moattop 26% Producttop 28% Growthtop 31% Partnerstop 31% Talenttop 34% Newstop 36% Markettop 37% Techtop 44% Globalbottom 44% Patents: 358 patents matched (strict assignee match) · 302 filings since 2022 vs 54 in 2017-21 Funding: Raised $1.1B across 9 rounds · 9 rounds over 8 yrs (1.1/yr) rank vs industry peers · Fliar Intelligence Index 83/100 | $1.1B | 17 mo ago | Series F | 372 372 → 850 (+128%) · sector median +60% | Ted Wiley Co-Founder + President & COO | 358 patents Low-cost metal‑air batteries and iron‑based electrochemical production systems | 1 job opening |
| 4 | Ascend Elements 🦄 Manufacturer of engineered materials from recycled lithium-ion batteries and battery scrap 80Funding top 13%Innovation top 21%Patents top 22%News top 24% All 11 signals ▾Fundingtop 13% Innovationtop 21% Patentstop 22% Newstop 24% Moattop 25% Growthtop 27% Talenttop 38% Markettop 42% Techbottom 48% Partnersbottom 43% Globalbottom 42% Funding: Raised $1.0B across 10 rounds · 10 rounds over 4 yrs (2.5/yr) Innovation: 98 patents (top 28% of patent-holders) · 98 filings since 2022 vs 0 in 2017-21 rank vs industry peers · Fliar Intelligence Index 80/100 | $1.0B | 15 mo ago | Series D | 87 87 → 148 (+70%) · sector median +60% | Yan Wang Co-Founder | 98 patents Recycling and purification of battery metals and graphite for Li‑ion and NiMH batteries | — |
| 5 | Divert Provider of recyclable waste management services 55Funding top 28%Talent top 38%Tech top 42%Moat top 45% All 10 signals ▾Fundingtop 28% Talenttop 38% Techtop 42% Moattop 45% Markettop 46% Patentstop 50% Growthbottom 47% Globalbottom 42% Innovationbottom 36% Newsbottom 19% Funding: Raised $1.0B across 2 rounds · 2 rounds over 8 yrs (0.2/yr) Talent: 2 named leaders on record · 2 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 55/100 | $1.0B | 4 mo ago | Series B | 250 | Ryan Begin Co-Founder & CEO | 39 patents Digital waste tracking and compliance analytics for supply-chain material handling | 1 expansion |
| 6 | Gradiant 🦄 Provider of industrial water treatment solutions and technologies 78Patents top 21%Moat top 22%Funding top 26%Innovation top 29% All 11 signals ▾Patentstop 21% Moattop 22% Fundingtop 26% Innovationtop 29% Globaltop 30% Markettop 33% Growthtop 35% Fin. healthtop 37% Techtop 40% Newstop 42% Talentbottom 49% Patents: 256 patents matched (strict assignee match) · 103 filings since 2022 vs 108 in 2017-21 Moat: Editorial + unicorn rating 9/10 · IP moat: 256 patents rank vs industry peers · Fliar Intelligence Index 78/100 | $400M | 1 mo ago | Series E | 900 | Anurag Bajpayee Co-Founder & CEO | 256 patents Patents concentrated in transport & manufacturing processes | — |
| 7 | Tomorrow.io 🦄 AI-powered weather intelligence platform using satellites for real-time forecasting 89Funding top 16%Customers top 25%AI top 26%Moat top 26% All 11 signals ▾Fundingtop 16% Customerstop 25% AItop 26% Moattop 26% Producttop 27% Techtop 28% Talenttop 28% Newstop 30% Growthtop 37% Markettop 39% Globaltop 48% Funding: Raised $250M across 4 rounds · 4 rounds over 9 yrs (0.4/yr) Customers: Play-Store rating 4.57★ across 25,899 ratings (2 apps) · Review volume +2% in 6 mo rank vs industry peers · Fliar Intelligence Index 89/100 | $250M | 1 mo ago | Series F | 124 124 → 228 (+84%) · sector median +60% | Hagit Messer Co-Founder | — | 1 award |
| 8 | Ambri Manufacturer of liquid metal battery systems for grid energy storage | $219M | 22 mo ago | Series D | 141 | David Bradwell Chief Executive Officer | 114 patents Liquid metal battery technology for grid-scale high-temperature energy storage | — |
| 9 | Aspen Aerogel Provider of thermal insulation solutions | $198M | 59 mo ago | Public | 548 548 → 454 (-17%) · sector median +60% | Donald Young President and CEO | — | 1 award |
| 10 | Sense Smart energy platform providing real-time electricity usage insights for homes and utilities 60Patents top 21%Funding top 23%Customers top 26%Moat top 26% All 12 signals ▾Patentstop 21% Fundingtop 23% Customerstop 26% Moattop 26% Innovationtop 27% Producttop 33% Talenttop 33% Techtop 36% Growthtop 37% Globaltop 50% Marketbottom 40% Fin. healthbottom 17% Patents: 114 patents matched (strict assignee match) · 60 filings since 2022 vs 44 in 2017-21 Funding: Raised $195M across 5 rounds · 5 rounds over 11 yrs (0.5/yr) rank vs industry peers · Fliar Intelligence Index 60/100 | $195M | 4 mo ago | Series D | 120 120 → 106 (-12%) · sector median +60% | Mike Phillips Co-founder | 114 patents Smart power metering and event analytics for device identification in intelligent grids | 1 award |
| 11 | Enel X Developer of utility-scale renewable energy projects | $168M | 65 mo ago | Acquired | 513 | — | — | — |
| 12 | CubicPV Manufacturer of solar PV modules | $137M | 13 mo ago | Series C | 71 | — | 184 patents Perovskite solar cell materials, coatings, and scalable thin‑film manufacturing. | — |
| 13 | Bevi Provider of smart water dispenser system provider | $136M | 46 mo ago | Series D | 102 | Sean Grundy Co-Founder & CEO | 3 patents Sealed flexible beverage pouch technology and automated manufacturing equipment | 1 job opening |
| 14 | ZwitterCo Manufacturer of wastewater treatment systems using membrane technology 60Funding top 24%Product top 30%Innovation top 33%Moat top 37% All 11 signals ▾Fundingtop 24% Producttop 30% Innovationtop 33% Moattop 37% Techtop 38% Talenttop 38% Patentstop 39% Growthtop 40% Globalbottom 39% Marketbottom 38% Newsbottom 21% Funding: Raised $102M across 5 rounds · 5 rounds over 6 yrs (0.8/yr) Product: 8 distinct product lines · Company stage: Series B rank vs industry peers · Fliar Intelligence Index 60/100 | $102M | 23 mo ago | Series B | 57 57 → 86 (+51%) · sector median +60% | Christopher Drover Co-Founder & CTO | 14 patents Patents concentrated in chemistry & materials | 1 launch |
| 15 | Lucidity Lights Contract based manufacturer of lights | $95M | 52 mo ago | Series D | 31 | John Goscha Founder | 68 patents Advanced circadian lighting and RF induction lamp technologies for energy-efficient illumination | — |
| 16 | Allonnia Provider of solutions for upcycling plastic waste 37Funding top 24%Moat top 37%Patents top 41%Innovation top 47% All 8 signals ▾Fundingtop 24% Moattop 37% Patentstop 41% Innovationtop 47% Talentbottom 49% Newsbottom 44% Globalbottom 39% Marketbottom 34% Funding: Raised $90.0M across 5 rounds · 5 rounds over 6 yrs (0.8/yr) Moat: Editorial + unicorn rating 6/10 · IP moat: 13 patents rank vs industry peers · Fliar Intelligence Index 37/100 | $90M | 6 mo ago | Series A | 16 | Nicole Richards CEO | 13 patents Bio-solvent ore leaching and PFAS-binding protein technologies for selective impurity removal. | — |
| 17 | enVerid Provider of energy-saving HVAC solutions for heating, ventilating, and air conditioning systems | $49M | 37 mo ago | Series B | 31 | Christian Weeks Chief Executive Officer | — | — |
| 18 | Cambrian Innovation Bio-electro-chemical wastewater treatment systems developer | $37M | 12 mo ago | Series C | 23 | Matthew Silver Co-Founder & CEO | 70 patents Anaerobic wastewater treatment and bioelectrochemical conversion to renewable natural gas | 1 partnership |
| 19 | Alloy Enterprises Manufacturer of light weighting, aluminum products | $37M | 37 mo ago | Acquired | 44 44 → 36 (-18%) · sector median +60% | Andrea Bedell Co-Founder & COO | 19 patents Wear‑resistant, acid‑resistant austenitic iron alloys for internal‑combustion engine valve seats | 1 job opening |
| 20 | Perch Energy Provider of community solar subscriptions that offer savings on electricity bills | $36M | 32 mo ago | Series B | 67 | — | — | — |
| 21 | Mantel Developer of high-temperature carbon capture materials for industrial applications | $32M | 23 mo ago | Series A | 10 | Sean Robertson Co-Founder & CTO | — | 1 job opening · 1 launch · 2 awards |
| 22 | Clockworks Analytics Developer of building analytics software for energy performance and maintenance | $28M | 33 mo ago | Series E | 61 61 → 121 (+98%) · sector median +60% | Sian Kleindienst Co-Founder | — | 1 award |
| 23 | Raptor Maps Provider of solar asset management platform using aerial and sensor data 57AI top 15%Funding top 32%Growth top 32%Talent top 34% All 12 signals ▾AItop 15% Fundingtop 32% Growthtop 32% Talenttop 34% Producttop 40% Moattop 41% Techbottom 49% Marketbottom 41% Globalbottom 39% Innovationbottom 33% Patentsbottom 31% Newsbottom 21% AI: Holds AI/ML patents (G06N-family CPC) Funding: Raised $27.5M across 6 rounds · 6 rounds over 11 yrs (0.5/yr) rank vs industry peers · Fliar Intelligence Index 57/100 | $28M | 18 mo ago | Series C | 64 | Edward Obropta Co-Founder & CTO | 4 patents UAV‑based remote sensing and edge computing for precision agriculture crop monitoring | — |
| 24 | WindESCo Provider of IoT-enabled sensor solutions for wind turbines | $26M | 34 mo ago | Series B | 17 17 → 10 (-41%) · sector median +60% | — | 24 patents Coordinated yaw control systems for wind farm performance optimization | — |
| 25 | SYSO Technologies Provider of renewable energy storage and management solutions 35Funding top 36%Talent top 38%Moat top 39%Market bottom 40% All 5 signals ▾Fundingtop 36% Talenttop 38% Moattop 39% Marketbottom 40% Globalbottom 29% Funding: Raised $24.5M across 5 rounds · 5 rounds over 5 yrs (1.0/yr) Talent: 2 named leaders on record · 2 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 35/100 | $24M | 5 mo ago | Series B | 22 22 → 44 (+100%) · sector median +60% | Christopher Gosline Co-Founder & CEO | — | — |
| 26 | Aclarity Provider of water treatment solution | $20M | 31 mo ago | Series A | 10 | Julie Bliss Mullen Co-Founder & CEO | 23 patents Electrochemical reactors for contaminant removal and regeneration in wastewater treatment. | — |
| 27 | VIA Developer of Web3 solutions that protect data against theft, misuse | $20M | 16 mo ago | Series B | 50 | Colin Gounden Co-Founder & CEO | — | 2 job openings · 1 partnership |
| 28 | REsurety Provider of risk management solutions to improve the profitability of wind power | $19M | 20 mo ago | Series C | 58 58 → 76 (+31%) · sector median +60% | — | 2 patents Calculating locational marginal emissions for electricity grid market analytics | — |
| 29 | Lydian Labs Developer of technology to recycle CO2 emissions into carbon-neutral fuels | $18M | 5 mo ago | Series A | — | Joe Rodden Co-Founder & CEO | 25 patents Modular electrically heated reactors for endothermic chemical synthesis and catalytic processes. | — |
| 30 | Infinite Cooling Technology developer for capturing water from cooling tower plumes | $16M | 13 mo ago | Series A | 13 13 → 16 (+23%) · sector median +60% | Kripa Varanasi Co-Founder | 19 patents Optimizing industrial cooling tower control and gas‑stream condensate/particle collection technologies. | — |
| 31 | Found Energy Provider of hydrogen storage solution | $15M | 28 mo ago | Seed | 9 | — | 162 patents Patents concentrated in transport & manufacturing processes | — |
| 32 | SiTration Provider of battery recycling solutions | $14M | 11 mo ago | Seed | 5 | Brendan Smith Co-Founder & CEO | 20 patents Metal extraction processes and electrically conductive membrane separation technologies. | — |
| 33 | Transaera Developer of advanced heat pump systems for dehumidifying, cooling, and heating | $13M | 19 mo ago | Seed | 12 | Matthew Dorson Co-Founder & CTO | 16 patents Patents concentrated in mechanical & energy engineering | 2 job openings |
| 34 | Eden GeoPower Geothermal micro energy generation technology developers | $13M | 14 mo ago | Seed | 20 | — | 30 patents Electrically enhanced in‑situ mining, fracturing, and hydrogen‑production rock stimulation | — |
| 35 | Phoenix Tailings Online mineral recovery from mining waste platform | $12M | 3 mo ago | Series B | 30 | Nicholas Myers Co-Founder & CEO | 51 patents Metal recovery and process control in molten‑salt electrolysis systems | — |
| 36 | AeroShield Provider of insulated window panes 27Funding top 28%Talent top 28%Moat top 39%Tech bottom 44% All 6 signals ▾Fundingtop 28% Talenttop 28% Moattop 39% Techbottom 44% Globalbottom 29% Marketbottom 22% Funding: Raised $12.0M across 9 rounds · 9 rounds over 6 yrs (1.5/yr) Talent: 3 named leaders on record · 3 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 27/100 | $12M | 9 mo ago | Series A | 10 | Kyle Wilke Cofounder and CTO | — | — |
| 37 | Vertical Semiconductor Developer of vertical GaN technology for power electronics applications | $11M | 8 mo ago | Seed | — | Josh Perozek CTO & Co-Founder | — | 1 expansion · 1 award |
| 38 | Breaking Developer of microbe-based solutions to plastic degradation and sustainable alternatives | $10M | 26 mo ago | Seed | — | Ben Lamm Co-Founder | — | 1 job opening |
| 39 | Sunwealth Clean energy investment and crowdfunding platform | $10M | 17 mo ago | Series A | 34 34 → 28 (-18%) · sector median +60% | Jon Abe CEO & Founder | — | 1 job opening · 1 award |
| 40 | Active Surfaces Developer of ultra-thin, lightweight, flexible, low-cost solar cells. 16Talent top 38%Funding top 43%Moat bottom 38%Global bottom 36% All 6 signals ▾Talenttop 38% Fundingtop 43% Moatbottom 38% Globalbottom 36% Newsbottom 22% Marketbottom 21% Talent: 2 named leaders on record · 2 C-suite/founder profiles curated Funding: Raised $9.7M across 3 rounds · 3 rounds over 3 yrs (1.0/yr) rank vs industry peers · Fliar Intelligence Index 16/100 | $10M | 12 mo ago | Seed | 2 | Shiv Bhakta Co-Founder | — | — |
| 41 | MacroCycle Developer of zero-carbon plastic upcycling technology | $10M | 3 mo ago | Seed | — | Jan-Georg Rosenboom Co-Founder & CTO | — | 1 internship · 2 awards |
| 42 | Luminous Robotics Developer of automated solar panel installation equipment | $8M | 10 mo ago | Series A | — | Jay Wong Founder & CEO | — | — |
| 43 | Triton Anchor Developer of anchoring solutions for floating offshore wind and marine energy | $8M | 9 mo ago | Seed | 6 | Ross Haghighat CEO | — | — |
| 44 | Ekotrope Tech-enabled service provider for energy-efficient building, green politics, & construction 32Growth top 35%Product top 36%Talent bottom 49%Tech bottom 48% All 10 signals ▾Growthtop 35% Producttop 36% Talentbottom 49% Techbottom 48% Fundingbottom 47% Innovationbottom 43% Moatbottom 42% Patentsbottom 37% Globalbottom 32% Marketbottom 29% Growth: Fresh capital in last 24 mo Product: 7 distinct product lines · Company stage: Series A rank vs industry peers · Fliar Intelligence Index 32/100 | $6M | 8 mo ago | Series A | 17 17 → 36 (+112%) · sector median +60% | Nick Sisler Founder and Director of Engineering | 5 patents Energy management software for green building automation and demand‑side control | 1 job opening · 1 launch |
| 45 | Salient Predictions Offering AI based solutions for weather forecasting | $6M | 15 mo ago | Series A | 2 | Ray Schmitt President & Co-founder | 2 patents Neural-network ensemble blending for probabilistic weather forecasting | 1 launch |
| 46 | Propexo Ofers a unified API for integration leading property management systems 55Talent top 35%Funding top 45%Global bottom 25% All 3 signals ▾Talenttop 35% Fundingtop 45% Globalbottom 25% Talent: 3 named leaders on record Funding: Raised $5.0M across 1 rounds · 1 rounds over 1 yrs (1.0/yr) rank vs industry peers · Fliar Intelligence Index 55/100 | $5M | 9 mo ago | Series A | — | Remen Okoruwa Co-Founder & CEO | — | 1 launch |
| 47 | Farmblox Manufacturer of sensor-based irrigation solution | $3M | 22 mo ago | Seed | 5 | Nathan Rosenberg Co-Founder & CEO | — | — |
| 48 | Grain Provider of solutions for waste management, biochar production, and carbon removal | $2M | 14 mo ago | Seed | 10 | Ryan Letourneau CEO & Co-Founder | — | — |
| 49 | Voda AI-enabled software solution for pipe breakage prediction | $1M | 12 mo ago | Series A | 25 | Jim Fitchett Chief Operating Officer & Co-Founder | 9 patents Patents concentrated in computing, sensing & instrumentation | 2 launchs |
| 50 | Northwind Climate Provider of business intelligence for the climate economy | $1M | 14 mo ago | Seed | — | Doug Rubin Founder & CEO | — | — |
Top 12 Environment Tech companies in Massachusetts
#1
Nexamp 🦄Series E · Boston, Massachusetts · founded 2007 · 331 employees$1.3Braised▾
Nexamp 🦄
Series E · Boston, Massachusetts · founded 2007 · 331 employees
Provider of community solar programs and energy solutions for businesses. It offers community solar subscriptions, enabling savings on electricity costs without rooftop panels. It delivers energy storage solutions and power purchase agreements for commercial users. It also offers community solar programs with no rooftop panels, sign-up fees, or long-term contracts, enabling savings on electricity costs. It focuses on clean energy asset development, customer acquisition, and management, minimizing risk for counterparties.
Fliar Intelligence Index™ 76how this company ranks against its industry peers
Funding
top 12%Tech
top 23%Moat
top 23%Talent
top 35%Market
top 38%Growth
top 43%Funding: Raised $1.3B across 12 rounds · 12 rounds over 16 yrs (0.8/yr) · Last round Conventional Debt (Apr 2026)
Tech: 42 technologies across 6/8 capability areas · Cloud: Cloudflare · Devops: Envoy
Moat: Editorial + unicorn rating 9/10 · Unicorn · 4 curated direct competitors tracked
Audience (LinkedIn): 42k LinkedIn followers — 4.7% of this cohort's audience · 55 engagements/post (1.7× cohort median)
Activity (LinkedIn): 1 awards announced in 12 mo
Funding rounds
- Apr 2026Conventional Debt$200M
- Feb 2026Series E$180M
- Mar 2024Series E$520M
- Jun 2023Conventional Debt—
Founders & team
Investors
US Bank, MUFG, Generate Capital, Good Energies, RCG, PJC
Tech stack
Apple Icloud MailAwinBootstrapCloudflareCloudflare Bot ManagementCore-Js
#2
Gradiant 🦄Series E · Woburn, Massachusetts · founded 2013 · 900 employees$400Mraised▾
Gradiant 🦄
Series E · Woburn, Massachusetts · founded 2013 · 900 employees
Provider of industrial water treatment solutions and technologies. It offers end-to-end, turnkey treatment systems engineered to meet specific customer requirements. Services include water reduction, reclamation, and renewal, recovering valuable resources from wastewater. Custom chemical formulations are developed in-house to support these technologies. The company's solutions address various industrial sectors, focusing on minimizing environmental impact and optimizing water usage. Technologies include those for PFAS removal, lithium extraction, and green hydrogen production.
Fliar Intelligence Index™ 78how this company ranks against its industry peers
Patents
top 21%Moat
top 22%Funding
top 26%Innovation
top 29%Global
top 30%Market
top 33%Patents: 256 patents matched (strict assignee match) · 103 filings since 2022 vs 108 in 2017-21 · Latest publication 2026
Moat: Editorial + unicorn rating 9/10 · IP moat: 256 patents · Unicorn
Funding: Raised $400M across 3 rounds · 3 rounds over 11 yrs (0.3/yr) · Last round Series E (May 2026)
Audience (LinkedIn): 83k LinkedIn followers — 9.4% of this cohort's audience
Funding rounds
- May 2026Series E—
- Oct 2025Conventional Debt$50M
- May 2023Series D$225M
- Jun 2021Series C$104.8M
Founders & team
Investors
Warburg Pincus, SLB, Cranberry Capital, Centaurus Capital, BoltRock Holdings, HSBC
Tech stack
AlgoliaApache Http ServerApple Icloud MailBootstrapCloudflareCloudflare Bot Management
#3
Series F · Boston, Massachusetts · founded 2016 · 124 employees$250Mraised▾
Series F · Boston, Massachusetts · founded 2016 · 124 employees
AI-powered weather intelligence platform using satellites for real-time forecasting. It combines satellite data, machine learning, and real-time atmospheric modeling to deliver hyperlocal forecasts and predictive insights. It helps industries like aviation, energy, logistics, and insurance anticipate weather risks and automate operational decisions.
Fliar Intelligence Index™ 89how this company ranks against its industry peers
Funding
top 16%Customers
top 25%AI
top 26%Moat
top 26%Product
top 27%Tech
top 28%Funding: Raised $250M across 4 rounds · 4 rounds over 9 yrs (0.4/yr) · Last round Series F (May 2026)
Customers: Play-Store rating 4.57★ across 25,899 ratings (2 apps) · Review volume +2% in 6 mo · Marquee-customer mentions: top 30% of tracked companies
AI: Classified as an AI company · Product described with: ai-powered, machine learning
Audience (LinkedIn): 31k LinkedIn followers — 3.5% of this cohort's audience
Activity (LinkedIn): 1 awards announced in 12 mo
Funding rounds
- May 2026Series F$35M
- Feb 2026Series F$175M
- Sep 2023Series E—
- Jun 2023Series E$87M
Founders & team
Investors
Stonecourt Capital, Highland Capital Partners, Activate Capital, Lumir Ventures, MoreTech Ventures, Shavit Capital
Tech stack
AlgoliaAmazon CloudfrontAmazon S3Amazon Web ServicesAppcuesChart.Js
#4
Series B · Concord, Massachusetts · founded 2005 · 250 employees$1Braised▾
Series B · Concord, Massachusetts · founded 2005 · 250 employees
Provider of recyclable waste management services
Fliar Intelligence Index™ 55how this company ranks against its industry peers
Funding
top 28%Talent
top 38%Tech
top 42%Moat
top 45%Market
top 46%Patents
top 50%Funding: Raised $1.0B across 2 rounds · 2 rounds over 8 yrs (0.2/yr) · Last round Series B (Jan 2026)
Talent: 2 named leaders on record · 2 C-suite/founder profiles curated
Tech: 43 technologies across 3/8 capability areas · Cloud: Cloudflare · Security: Cloudflare Bot Management, Hsts
Audience (LinkedIn): 20k LinkedIn followers — 2.2% of this cohort's audience · 58 engagements/post (1.8× cohort median)
Activity (LinkedIn): 1 partnerships · 1 expansions (incl. Mamosoft Corporation) announced in 12 mo
Funding rounds
- Jan 2026Series B—
- Mar 2023Series B$1B
- Jul 2018Series A$3.8M
Founders & team
Investors
Ara Partners, Enbridge, Wittington Investments, MissionPoint Partners, Target Accelerators
Tech stack
Alpine.JsApple Icloud MailCdnjsCloudflareCloudflare Bot ManagementCookiebot
#5
Series D · Cambridge, Massachusetts · founded 2013 · 120 employees$194.6Mraised▾
Series D · Cambridge, Massachusetts · founded 2013 · 120 employees
Smart energy platform providing real-time electricity usage insights for homes and utilities. It uses smart sensors and data analytics to deliver real-time electricity usage insights for homes, utilities, and energy partners. It helps users understand and reduce energy consumption, improve efficiency, and support grid reliability by providing high-resolution monitoring and behavioral energy insights aimed at lowering carbon emissions and accelerating the energy transition.
Fliar Intelligence Index™ 60how this company ranks against its industry peers
Patents
top 21%Funding
top 23%Customers
top 26%Moat
top 26%Innovation
top 27%Product
top 33%Patents: 114 patents matched (strict assignee match) · 60 filings since 2022 vs 44 in 2017-21 · Latest publication 2026
Funding: Raised $195M across 5 rounds · 5 rounds over 11 yrs (0.5/yr) · Last round Series D (Jan 2026)
Customers: Play-Store rating 4.16★ across 1,762 ratings (1 apps) · Review volume +34% in 6 mo · Marquee-customer mentions: top 13% of tracked companies
Audience (LinkedIn): 23k LinkedIn followers — 2.6% of this cohort's audience
Activity (LinkedIn): 1 awards announced in 12 mo
Funding rounds
- Jan 2026Series D—
- Apr 2022Series C$127.6M
- Sep 2021Series B—
- Aug 2019Series B$29.9M
Founders & team
Investors
Blue Earth Capital, Telus, Schneider Electric, Energy Impact Partners, iRobot, Prelude Ventures
Tech stack
Amazon Web ServicesAmplitudeApache Http ServerApple Icloud MailAtlassian StatuspageBootstrap
#6
Series D · Westborough, Massachusetts · founded 2015 · 87 employees$1Braised▾
Series D · Westborough, Massachusetts · founded 2015 · 87 employees
Manufacturer of engineered materials from recycled lithium-ion batteries and battery scrap. The company utilizes a direct precursor synthesis process to transform discarded batteries and manufacturing scrap into active cathode battery material. This process recovers critical elements for reuse in lithium-ion battery manufacturing. The company provides logistics, material-tracking, and customer support services.
Fliar Intelligence Index™ 80how this company ranks against its industry peers
Funding
top 13%Innovation
top 21%Patents
top 22%News
top 24%Moat
top 25%Growth
top 27%Funding: Raised $1.0B across 10 rounds · 10 rounds over 4 yrs (2.5/yr) · Last round Grant (prize money) (Feb 2025)
Innovation: 98 patents (top 28% of patent-holders) · 98 filings since 2022 vs 0 in 2017-21 · Deep-tech classification: Tech Hardware
Patents: 98 patents matched (strict assignee match) · 98 filings since 2022 vs 0 in 2017-21 · Latest publication 2026
Audience (LinkedIn): 33k LinkedIn followers — 3.7% of this cohort's audience
Funding rounds
- Feb 2025Grant (prize money)—
- Feb 2024Series D$162M
- Sep 2023Series D$460.1M
- Sep 2023Grant (prize money)$480.6M
Founders & team
Investors
DOE, SK Eco Plant, BlackRock, Temasek, Qatar Investment Authority, Tenaska
Tech stack
CloudflareCloudflare Bot ManagementComplianzCore-JsElementorGoogle Analytics
#7
Series A · Boston, Massachusetts · founded 2019 · 16 employees$90Mraised▾
Series A · Boston, Massachusetts · founded 2019 · 16 employees
Provider of solutions for upcycling plastic waste. It uses advanced biology and technology to recycle and convert upcycle waste. It is focused on four key sectors of mining, industry, energy, and plastics, including segments of PFAS separation and concentration, PFAS sensing, rare earth elements - REE, oil sands process water - OSPW, and Plastics.
Fliar Intelligence Index™ 37how this company ranks against its industry peers
Funding
top 24%Moat
top 37%Patents
top 41%Innovation
top 47%Talent
bottom 49%News
bottom 44%Funding: Raised $90.0M across 5 rounds · 5 rounds over 6 yrs (0.8/yr) · Last round Series A (Dec 2025)
Moat: Editorial + unicorn rating 6/10 · IP moat: 13 patents · 9 curated direct competitors tracked
Patents: 13 patents matched (strict assignee match) · 13 filings since 2022 vs 0 in 2017-21 · Latest publication 2025
Audience (LinkedIn): 7k LinkedIn followers
Funding rounds
- Dec 2025Series A$20M
- Jan 2025Series A$650K
- Mar 2023Series A$30M
- May 2021Series A$20M
Founders & team
Investors
Battelle, General Atlantic, Cascade Investment Group, Viking Global Investors, Evok Innovations, Bison Ventures
#8
Series F · Somerville, Massachusetts · founded 2009 · 372 employees$1.1Braised▾
Series F · Somerville, Massachusetts · founded 2009 · 372 employees
Clean energy technology platform developing long-duration iron-air battery systems. It develops advanced battery solutions capable of storing electricity for multiple days, helping balance energy supply and demand during periods of high stress or renewable energy intermittency. It is designed to support the transition to a cleaner and more resilient electric grid by enabling greater integration of renewable energy sources such as wind and solar. Its technology centers on cost-effective, scalable battery systems built for long-duration storage applications, addressing critical gaps in traditional short-duration energy storage solutions.
Fliar Intelligence Index™ 83how this company ranks against its industry peers
Patents
top 11%Funding
top 15%Innovation
top 16%Moat
top 26%Product
top 28%Growth
top 31%Patents: 358 patents matched (strict assignee match) · 302 filings since 2022 vs 54 in 2017-21 · Latest publication 2026
Funding: Raised $1.1B across 9 rounds · 9 rounds over 8 yrs (1.1/yr) · Last round Series F (Jan 2025)
Innovation: 358 patents (top 7% of patent-holders) · 302 filings since 2022 vs 54 in 2017-21 · 2 product lines
Audience (LinkedIn): 81k LinkedIn followers — 9.2% of this cohort's audience · 138 engagements/post (4.2× cohort median)
Hiring (LinkedIn): 1 hiring post in 12 mo (public) · hiring: engineers
Funding rounds
- Jan 2026Series F—
- Oct 2024Series F$405M
- Aug 2023Grant (prize money)$12M
- Sep 2022Series E$450M
Founders & team
Investors
ARPA-E, Coatue, Energy Impact Partners, Temasek, NGP Energy Technology Partners, Prelude Ventures
Tech stack
AccessibeApple Icloud MailCloudflareCloudflare Bot ManagementCookieyesCore-Js
#9
Series B · Cambridge, Massachusetts · founded 2019 · 22 employees$24.5Mraised▾
Series B · Cambridge, Massachusetts · founded 2019 · 22 employees
Provider of renewable energy storage and management solutions. It offers the SYSO Technology Platform - which is used to manage equipment, market data & weather data, and SYSO Technology Server - which provides installation and data security solutions.
Fliar Intelligence Index™ 35how this company ranks against its industry peers
Funding
top 36%Talent
top 38%Moat
top 39%Market
bottom 40%Global
bottom 29%Funding: Raised $24.5M across 5 rounds · 5 rounds over 5 yrs (1.0/yr) · Last round Series B (Dec 2025)
Talent: 2 named leaders on record · 2 C-suite/founder profiles curated
Moat: Editorial + unicorn rating 7/10 · 9 curated direct competitors tracked
Audience (LinkedIn): 2k LinkedIn followers
Funding rounds
- Dec 2025Series B$7M
- Jul 2024Series B$14.5M
- Oct 2022Series A$10M
- Apr 2022Seed$2M
Founders & team
Investors
Lacuna Sustainable Investments, Kimmeridge, Masscec, Kimmeridge Energy
#10
Series B · Woburn, Massachusetts · founded 2019 · 30 employees$12.1Mraised▾
Series B · Woburn, Massachusetts · founded 2019 · 30 employees
Online mineral recovery from mining waste platform. It has developed technologies to remediate tailings ponds by extracting new ores and basic metals from bauxite residue. It is on a mission for zero waste and zero carbon emission resulting in reducing production costs. It eradicates metals such as alumina, iron, scandium, silica, and more. The offering sectors include cell phones, autos, aircraft, biotechnology, and more.
LinkedIn Pulse recent public activity · Jul 2026
Audience: 13k LinkedIn followers
Funding rounds
- Feb 2026Venture Debt$10M
- Feb 2026Series B$30.2M
- May 2025Grant (prize money)$499.9K
- Nov 2024Series B$106.6M
Founders & team
Investors
MassTech, BMW i Ventures, Envisioning Partners, Yamaha Motor Ventures, Escape Velocity, National Science Foundation
Tech stack
Apple Icloud MailCloudflareGoogle Font ApiGoogle Hosted LibrariesHstsHttp/3
#11
Series C · Bedford, Massachusetts · founded 2021 · 71 employees$137Mraised▾
Series C · Bedford, Massachusetts · founded 2021 · 71 employees
Manufacturer of solar PV modules
LinkedIn Pulse recent public activity · Jul 2026
Audience: 5k LinkedIn followers
Activity: 1 awards announced in 12 mo
Funding rounds
- May 2025Grant (prize money)$5.4M
- Apr 2025Grant (prize money)$2.5M
- Jun 2023Series C$103M
- Jul 2022Series B$9M
Investors
Hunt Energy Enterprises, First Solar, Breakthrough Energy, North Bridge Venture Partners, Polaris Partners, SCG
#12
Series A · Cambridge, Massachusetts · founded 2021$18Mraised▾
Series A · Cambridge, Massachusetts · founded 2021
Developer of technology to recycle CO2 emissions into carbon-neutral fuels. The company focuses on creating sustainable aviation fuels from air, water, and renewable electricity. It aims to decarbonize the aviation industry by producing fuel with lifecycle emissions reductions. The company has produced its first fuel product and successfully commissioned its pilot demonstration.
LinkedIn Pulse recent public activity · Jul 2026
Audience: 16k LinkedIn followers
Activity: 1 awards announced in 12 mo
Funding rounds
- Dec 2025Series A$43.7M
- Nov 2023Grant (prize money)$274K
- Sep 2023Seed$15M
- Jun 2022Seed$3M
Founders & team
Investors
Congruent Ventures, Galvanize Climate Solutions, Grok Ventures, Voyager, Union Square Ventures, Overture
Funding & investor landscape
$10Btotal disclosed funding
152companies funded
618disclosed rounds
3rounds last 90 days
Most active investors
Techstars10 rounds
Notable founders
Zaid Ashai
CEO · Nexamp
Anurag Bajpayee
Co-Founder & CEO · Gradiant
Hagit Messer
Co-Founder · Tomorrow.io
Itai Zlotnik
CCO · Tomorrow.io
Ryan Begin
Co-Founder & CEO · Divert
Bob Watkins
Chief Operating Officer · Divert
Mike Phillips
Co-founder · Sense
Ryan Houlette
SVP Engineering & Technology / Cofounder · Sense
Yan Wang
Co-Founder · Ascend Elements
Eric Gratz
Co-Founder & CTO · Ascend Elements
Nicole Richards
CEO · Allonnia
Ted Wiley
Co-Founder + President & COO · Form Energy
Prism market signals · United States · country-scoped Prism corpus, 1,832,914 docs
Market landscape — 10 sub-themes by coverage
Share of Environment Tech coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
RESEARCH FROM Massachusetts · institutions
What Massachusetts researches in environmental monitoring
MIT and UMass lead Massachusetts environmental-monitoring research, focusing predominantly on air and water quality with an optimistic tone (mean stance 0.38), heavily accelerating post-2020.
36 papersstance +0.3833% breakthrough27% concern
local research themes
Air Quality Monitoring and ForecastingWater Quality Monitoring TechnologiesAir Quality and Health ImpactsImpact of Light on Environment and HealthUnderwater Vehicles and Communication SystemsAdvanced biosensing and bioanalysis techniques
top institutions
- Massachusetts Institute of Technology20
- University of Massachusetts Amherst4
- University of Massachusetts Dartmouth2
- Massachusetts Audubon Society2
- University of Massachusetts Boston2
Common questions
How many Environment Tech companies are there in Massachusetts, United States?
Radar tracks 273 indexable Environment Tech companies headquartered in Massachusetts, United States that meet our profile-completeness bar.
What is the total funding raised by Environment Tech companies in Massachusetts, United States?
The Environment Tech companies in Massachusetts, United States on this list have raised a combined $10B in disclosed equity funding across 152 funded companies.
Which is the highest-funded Environment Tech company in Massachusetts, United States?
Indigo is the highest-funded Environment Tech company in Massachusetts, United States, with $1.4B in disclosed equity funding.
How many Environment Tech companies in Massachusetts, United States are funded?
152 of the 273 Environment Tech companies in Massachusetts, United States on this list have disclosed at least one equity funding round.
How many Environment Tech unicorns are there in Massachusetts, United States?
5 Environment Tech companies in Massachusetts, United States on this list are valued at $1B or more.
Who are the top investors in Massachusetts, United States Environment Tech companies?
The most active investors in Massachusetts, United States Environment Tech companies on this list include Greentown Labs, OSTI, Masscec, MassChallenge, National Science Foundation.
Rohit KhannaTrends & Stories
Rohit lives in the feed. He covers what's moving right now — the funding rounds, launches and shifts breaking across the trade press — and ties them back to where the sector is heading.