Best Environment Tech Companies in Boulder, United States
The 51 best Environment Tech companies in Boulder, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Tendril.
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.
Ranked: Best Environment Tech companies in Boulder
| # | Company | Disclosed funding | Last round | Employees | Founder | Tech stack | Stage | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Tendril Online building energy management solution for homeowners 57Funding top 19%Growth top 32%Moat top 37%Patents top 40% All 10 signals ▾Fundingtop 19% Growthtop 32% Moattop 37% Patentstop 40% Innovationtop 45% Techtop 48% Talentbottom 49% Marketbottom 43% Globalbottom 39% Newsbottom 27% Funding: Raised $337M across 21 rounds · 21 rounds over 22 yrs (1.0/yr) Growth: Headcount 60 → 86 (+43%) across vintages · Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 57/100 | $337M | 16 mo ago | 86 | Chris Bahry Co-Founder | Creative Director | Google CloudReactAtlassian Statuspage+20 | Acquired | 18 patents Adaptive smart‑grid energy management using model‑based simulations and personalized load profiling. | — |
| 2 | ION Engineering Developer of post-combustion source capture technology for emissions reduction | $70M | 14 mo ago | 13 | Alfred Brown Founder & CEO | — | Series A | — | — |
| 3 | SmarterX Provider of software suite solutions for in-store retail businesses | $62M | 48 mo ago | 78 78 → 41 (-47%) | Charlie Vallely Co-Founder | — | Series B | — | — |
| 4 | Recurve Provider of energy management software | $33M | 15 mo ago | 39 | Matt Golden Founder & CEO | — | Acquired | — | — |
| 5 | EnergySavvy Online building energy management solution for homeowners | $31M | 117 mo ago | 58 | — | SentryZendeskReact+7 | Acquired | 3 patents Real‑time analytics for utility program performance and demand‑response evaluation | — |
| 6 | Uplight 🦄 AI and SaaS-driven solutions for energy monitoring in residential and commercial buildings 80News top 22%Tech top 24%Growth top 25%Moat top 31% All 10 signals ▾Newstop 22% Techtop 24% Growthtop 25% Moattop 31% Fundingtop 34% Patentstop 34% Innovationtop 36% Markettop 37% Talenttop 39% Globalbottom 44% News: 8 BI events in 12 mo (of 17 tracked, 5 types) · 2 high-value events (IPO/M&A/funding/contracts) in 12 mo Tech: 45 technologies across 6/8 capability areas · Cloud: Amazon Web Services, Cloudflare rank vs industry peers · Fliar Intelligence Index 80/100 | $30M | 16 mo ago | 496 | Luis D'Acosta CEO | WordPressAlgoliaMySQL+27 | Acquired | 20 patents Residential energy management and demand‑response platforms optimizing HVAC and rebate incentives | 1 launch · 1 award |
| 7 | Odyssey Energy Solutions Provider of end-to-end platform for distributed renewable energy finance | $28M | 19 mo ago | 8 | Piyush Mathur Co-Founder & MD & CBO | SentryTypeScriptKaTeX+19 | Series A | — | 1 job opening |
| 8 | Optera Online platform to track, manage and achieve emissions goals | $26M | 34 mo ago | 15 | Ty Colman Co-Founder & COO | — | Series A | 5 patents Manufacturing plastic capacitive and resistive touch-screen sensors for consumer electronics. | — |
| 9 | Perennial Online platform for soil-based carbon estimation and removal | $18M | 50 mo ago | 39 | David Schurman Co-Founder & CTO | — | Series A | — | — |
| 10 | Hidrate Internet-first brand offering smart water bottle | $15M | 42 mo ago | 22 22 → 12 (-45%) | — | Amazon WebstoreCart FunctionalityShopify+36 | Series A | 25 patents IoT-enabled smart beverage containers for hydration monitoring and user alerts | — |
| 11 | Tynt Manufacturer of smart windows 40Talent top 28%Innovation top 32%Product top 36%Funding top 42% All 7 signals ▾Talenttop 28% Innovationtop 32% Producttop 36% Fundingtop 42% Techbottom 39% Globalbottom 37% Marketbottom 26% Talent: 3 named leaders on record · 3 C-suite/founder profiles curated Innovation: 12 product lines · Deep-tech classification: Tech Hardware rank vs industry peers · Fliar Intelligence Index 40/100 | $14M | 9 mo ago | 21 21 → 17 (-19%) | Mike Mcgehee Co-Founder | ReactGatsbyNetlify+5 | Series A | — | — |
| 12 | Black Bear Energy Provider of solar and energy storage solutions for commercial real estate. | $10M | 92 mo ago | 19 19 → 26 (+37%) | — | — | Acquired | — | — |
| 13 | Boulder Environmental Sciences and Technology Provider of tools for environmental observation | $10M | 89 mo ago | 9 | — | — | Funding Raised | — | — |
| 14 | Simple Energy Customer engagement platform for energy savings | $9M | 105 mo ago | 65 | — | — | Series B | — | — |
| 15 | Divirod Provider of water data, monitoring, analytics, and early flood warning | $6M | 22 mo ago | 12 | — | Cart FunctionalitySquarespace CommerceSquarespace+16 | Seed | 6 patents Fiber-optic reflectometry sensors for signal monitoring and fault detection | — |
| 16 | Cool Energy Stirling engine technology for clean energy generation and thermal management | $3M | 119 mo ago | 6 | — | — | Series A | 189 patents Biochar production and functionalization for soil amendment, seed coating, and plant growth enhancement. | — |
| 17 | Distill Developer of a platform for forecasting and simulating energy grid behavior | $2M | 5 mo ago | — | Sonya Gustafson Co-Founder & Chief Product Officer | — | Seed | — | — |
| 18 | GrowRay Manufacturer of LED grow lights for indoor farming | $2M | 77 mo ago | 4 | Erico Mattos Co-Founder | — | Seed | — | — |
| 19 | Simuwatt Energy audit software tool | $1M | 31 mo ago | 8 | — | — | Seed | — | — |
| 20 | LightStanza Software for providing daylight analysis for buildings | $1M | 173 mo ago | 5 | Daniel Glaser Founder | — | Funding Raised | — | 3 launchs |
| 21 | Newskyenergy Developer of chemical technologies for industrial waste conversion and gas treatment | $218K | 197 mo ago | 12 | — | — | Seed | — | — |
Top 12 Environment Tech companies in Boulder
#1
Acquired · Boulder, Colorado · founded 2004 · 86 employees$336.7Mraised▾
Online building energy management solution for homeowners. Offers software to increase energy efficiency for homeowners. The Company provides software systems that integrate with utility and government energy efficiency programs to help guide homeowners and commercial businesses.
- Mar 2025Series E$58M
- Dec 2021Series E$101.9M
- Dec 2018Series E—
- Mar 2018Series E—
#2
Series A · Boulder, Colorado · founded 2008 · 13 employees$70.1Mraised▾
Developer of post-combustion source capture technology for emissions reduction. The company provides carbon capture solutions for generators of natural gas power. It offers solvent technology with capture efficiency and sustainability. The company provides design and maintenance for project success. It tailors technologies and leverages engineering and construction relationships.
- May 2025Grant (prize money)$21.4M
- May 2025Grant (prize money)$7M
- Mar 2024Series A$70M
- Mar 2023Series A—
#3
Series A · Boulder, Colorado · founded 2020 · 21 employees$14.1Mraised▾
Manufacturer of smart windows. It provides users with a company that develops smart windows that are climate-friendly and adapt to changing needs throughout the day. These windows aim to reduce heating and energy loss in homes.
- Oct 2025Series A$2.7M
- Apr 2023Series A$7.1M
- 2022Seed—
- Oct 2021Angel$1.5M
#4
Seed · Boulder, Colorado · founded 2025$2.2Mraised▾
Developer of a platform for forecasting and simulating energy grid behavior. The platform brings together probabilistic power flow, long-horizon fundamentals, and a forward evolving grid model. It reveals congestion, curtailment and price risk years before it materializes, enabling better decision-making.
- Mar 2026Seed$2.2M
#5
Acquired · Boulder, Colorado · founded 2004 · 39 employees$33Mraised▾
Provider of energy management software. It develops and provides internet-based home performance software solutions for contractors and companies which provide home energy audits and residential retrofits. It offers energy modelling, reporting, pricing software tools, home energy audits, and green energy remodelling services.
- Apr 2025Series B$12.3M
- May 2022Series B$19M
- Jun 2010Series B$8M
- Sep 2008Series A$6M
#6
Uplight 🦄Acquired · Boulder, Colorado · founded 2019 · 496 employees$30Mraised▾
AI and SaaS-driven solutions for energy monitoring in residential and commercial buildings. It provides energy management systems designed to offer control, demand response, electric vehicle charging, and distributed generation support.
- Mar 2025Series A$30M
- Mar 2021Seed—
#7
Series A · Boulder, Colorado · founded 2017 · 8 employees$27.6Mraised▾
Provider of end-to-end platform for distributed renewable energy finance. It accelerates capital deployment for renewable energy projects. The platform offers tools for portfolio management, supply chain credit, asset analytics, and results-based finance. It serves financiers, renewable energy companies, and equipment suppliers, streamlining project development and improving access to capital. The platform facilitates various aspects of project lifecycle, from initial financing to operational monitoring. It provides solutions to overcome bottlenecks in distributed renewable energy project development.
- Dec 2024Series A$11.3M
- May 2023Series A$15M
- Sep 2022Seed$5.3M
- Jul 2022Seed$7.2M
#8
Seed · Boulder, Colorado · founded 2016 · 12 employees$6.1Mraised▾
Provider of water data, monitoring, analytics, and early flood warning. The company offers solutions for understanding water risks through data analysis. It provides services for water level monitoring, risk assessment, and early flood detection. The company’s technology supports sustainable water management and community safeguarding.
- Sep 2024Seed$1.6M
- Aug 2023Seed$3.6M
- Feb 2023Seed$2M
- Mar 2022Seed—
#9
Series A · Boulder, Colorado · founded 2006 · 15 employees$25.6Mraised▾
Online platform to track, manage and achieve emissions goals. It provides a data analytics platform to manage emissions inventories. Its platform helps to capture and store energy, water, waste, and material data. It also models data and automatically calculates the scope of emission in accordance with industry practices and reporting standards.
- Sep 2023Series A$12M
- Apr 2023Series A$7.7M
- Feb 2022Seed$4.2M
- Apr 2021Seed—
#10
Series B · Boulder, Colorado · founded 2015 · 78 employees$62.4Mraised▾
Provider of software suite solutions for in-store retail businesses. It provides retail product compliance and intelligence solutions. It also provides a platform for product registration, data registration, and data analysis solutions.
- Aug 2022Series B$7M
- Feb 2022Series B$25M
- Apr 2021Series A$4.1M
- Sep 2019Series A$17M
#11
Series A · Boulder, Colorado · founded 2014 · 22 employees$15Mraised▾
Internet-first brand offering smart water bottles. The application notifies the user to consume water through a light glow on the bottle & on-screen notifications. The sensor communicates with the app through Bluetooth connectivity. The mobile application is available on both iOS and Android platforms.
- Jan 2023Series A$2.5M
- Dec 2021Series A$6.5M
- Dec 2020Seed$220K
- Aug 2020Seed$400K
#12
Series A · Boulder, Colorado · founded 2018 · 39 employees$18Mraised▾
Online platform for soil-based carbon estimation and removal. It uses machine learning, ground observations, and satellite data to measure soil carbon. It tracks and estimates land-based emissions and sequestration through a combination of big data and industry-standard methods and helps in remote verification of soil carbon offsets.
- May 2022Series A$18M
- Jun 2020Seed$6M
- Seed—
Funding & investor landscape
Notable founders
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
What Boulder researches in environmental monitoring
- University of Colorado Boulder12
Common questions
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.