Best Sustainability Tech Companies in Atlanta, United States
The 77 best Sustainability Tech companies in Atlanta, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Nexus Circular.
Our analysis of 84 Sustainability Tech companies
$19.4b in tracked funding; 85% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Sustainability Tech companies in Atlanta
| # | Company | Disclosed funding | Last round | Employees | Founder | Tech stack | Stage | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Nexus Circular Provider of waste plastic recycling services | $150M | 41 mo ago | 38 38 → 82 (+116%) | Jeffrey Gold Co-Founder & CTO | WordPressMySQLPHP+21 | Series A | 43 patents Converting plastic waste into hydrocarbon fuels via pyrolysis processes. | — |
| 2 | Femasys Developer of medical device solutions for womens healthcare | $69M | 7 mo ago | 25 25 → 61 (+144%) | Kathy Lee-Sepsick President & CEO (Founder) | Cart FunctionalityWordPressApple iCloud Mail+17 | Public | 198 patents Medical imaging, drug delivery systems, and reproductive health devices. | 2 launchs |
| 3 | Urjanet Automated Utility Data | $45M | 72 mo ago | 77 | — | — | Acquired | — | — |
| 4 | JTEC Energy Provider of solutions to convert heat into electricity | $32M | 50 mo ago | 30 | Michael McQuary CEO & President | WordPressVisual ComposerMySQL+13 | Series A | — | — |
| 5 | Inhibikase Therapeutics Developer of host-targeted protein kinase inhibitors for infectious diseases | $20M | 40 mo ago | 6 | — | BootstrapApache HTTP ServerAmazon Web Services+13 | Public | — | — |
| 6 | Atlanta Housing Develops and manages affordable homes | $9M | 7 mo ago | 549 | Terri Lee President and Chief Executive Officer | WordPressApple iCloud MailMySQL+24 | Funding Raised | — | 1 expansion |
| 7 | Pointivo AI-driven inspection maintenance service provider | $8M | 53 mo ago | 40 | Habib Fathi Co-Founder & Chief Science Officer | WordPressMySQLPHP+32 | Series B | 51 patents 3D scene reconstruction and object extraction from sensor imagery for analysis | — |
| 8 | The Hallmark Companies Real estate firm engaged in property acquisition, development, housing, and management activities | $8M | 87 mo ago | 226 | — | Google MapsBootstraplit-html+11 | Funding Raised | — | — |
| 9 | Soneter Domain name for sale, offered by owner for specified price | $6M | 141 mo ago | 12 | Jeff Leaders Foudner | — | Series A | 45 patents Ultrasonic fluid flow monitoring and leak detection for pipeline distribution systems | — |
| 10 | InfoTycoon Online inspection and asset management software for multi-family properties | $5M | 86 mo ago | 18 | — | — | Acquired | — | — |
| 11 | Wattch Provider of cloud-based analytics solutions for solar power plant operators | $4M | 10 mo ago | 9 | Ryan Babaie Co-Founder | — | Seed | — | — |
| 12 | Ubuntoo Provider of AI-powered sustainability solutions platform | $3M | 29 mo ago | 2 | Peter Schelstraete Co-Founder | — | Seed | — | 1 launch |
| 13 | EnMass Energy Energy generation biomass unit | $3M | 60 mo ago | 16 | — | — | Seed | — | — |
| 14 | Nfant Developer of infant feeding monitoring device | $3M | 11 mo ago | 7 | — | WordPress Block EditorCart FunctionalityWordPress+36 | Seed | 20 patents Lactation measurement devices and oral motor strength assessment technologies | — |
| 15 | Sequr Access software for gated communities | $3M | 92 mo ago | 14 | Rohit Dangayach Co-Founder | ReactReact RouterAmazon Web Services+5 | Acqui-Hired | — | — |
| 16 | Lumense Embeded sensor and optical detector for water & beverage quality monitoring | $3M | 151 mo ago | 12 | Michael Slawson Co Founder & CEO | — | Deadpooled | 10 patents Real-time chemical sensor systems for ammonia, CO₂, and water contaminant detection. | — |
| 17 | PiezoTx Developer of nucleic-acid-based therapeutics to treat various diseases | $2M | 41 mo ago | — | Cynthia Sundell Co-Founder | — | Seed | — | — |
| 18 | Microbial Medical Developing sugar conjugated diagnostic and therapeutic compounds for infectious diseases | $2M | 65 mo ago | — | Mike Wach Co-Founder | — | Funding Raised | — | — |
| 19 | Kairos Provider of solutions for water leak detection and control system | $2M | 7 mo ago | 27 | Dean Fung-A-Wing Co-Founder & CEO | — | Seed | 5 patents Additive manufacturing defect detection and on‑demand 3D part generation for repair | — |
| 20 | Verdeeco Data analytics platform | $2M | 162 mo ago | 3,300 | Patrick Decker CEO | Windows ServerIISAzure+2 | Acqui-Hired | — | 2 launchs |
| 21 | EcoInsight Cloud-based energy audit app and applications for professionals | $757K | 176 mo ago | 68 | Sean McCloskey Founder & CEO | WordPressMySQLPHP+3 | Seed | — | — |
| 22 | RevaTerra Provider of AI-powered bioenergy platform converting biomass into clean fuel | $716K | 3 mo ago | — | Jude Davies Co-Founder & CEO | — | Seed | — | — |
| 23 | MicroBplex In vitro diagnostics for infectious diseases | $596K | 98 mo ago | — | John Daiss Co-Founder | — | Funding Raised | 6 patents Synthetic antibody-based diagnostic kits for Lyme disease detection | — |
| 24 | Aquagenuity Developer of Mobile application to view water quality data | $150K | 36 mo ago | 2 | Doll Avant Founder & CEO | — | Seed | — | — |
Top 12 Sustainability Tech companies in Atlanta
#1
Public · Atlanta, Georgia · founded 2004 · 25 employees$69.2Mraised▾
Developer of medical device solutions for womens healthcare. Its products include FemVue Saline-Air Device, which creates and delivers an alternating pattern of saline and air as a continuous stream, and enables physicians to assess their patients’ fallopian tubes; and FemChec Pressure Management Device, which limits the maximum applied pressure while performing hysterosalpingogram. It offers FemCerv, an endocervical curettage device to collect a non-contaminated tissue sample for cervical cancer screening.
- Nov 2025Post IPO$8M
- Jun 2025Post IPO$1.4M
- Nov 2023Post IPO$6.8M
- Jan 2017Series C$4M
#2
Funding Raised · Atlanta, Georgia · founded 1938 · 549 employees$9Mraised▾
Develops and manages affordable homes
- Nov 2025Grant (prize money)$1.2M
- Sep 2025Grant (prize money)$5.7M
- Sep 2025Grant (prize money)$2M
#3
Seed · Atlanta, Georgia · founded 2025$715.8Kraised▾
Provider of AI-powered bioenergy platform converting biomass into clean fuel. It transforms secondary biomass into high-density fuel. The platform is designed for deployment close to demand and optimized with artificial intelligence. It aims to strengthen industrial growth and improve climate outcomes by localizing supply and production.
- Mar 2026Seed$515.8K
- Nov 2025Seed$200K
#4
Seed · Atlanta, Georgia · founded 2017 · 27 employees$1.6Mraised▾
Kairos provides solutions for water leak detection and control system. It products include K1 gateway, a central hub to connect products to wifi and acts as the receiver for all leak sensors and water meters, M1 smart meter, a wireless valve-controlled, ultrasonic water meter, and N1 leak sensor, leak detection sensor.
- Nov 2025Seed$1.6M
#5
Seed · Atlanta, Georgia · founded 2020 · 9 employees$3.5Mraised▾
Provider of cloud-based analytics solutions for solar power plant operators. The company offers data acquisition hardware, data storage & reporting solutions, remote diagnostics solutions, power plant insights, and more.
- Aug 2025Seed$6M
- Jan 2023Seed$3.5M
#6
Seed · Atlanta, Georgia · founded 2012 · 7 employees$3Mraised▾
Developer of infant feeding monitoring device. The product includes an FDA-cleared novel feeding bottle that measures the movement of the tongue on the nipple of the pacifier or the bottle. The app captures clinical parameters impacting feedings such as position, nipple type, fluid characteristics, and feeder.
- Jul 2025Seed$50K
- Dec 2023Seed$530.3K
- May 2023Seed$300K
- Mar 2023Seed$1.4M
#7
Series A · Atlanta, Georgia · founded 2008 · 38 employees$150Mraised▾
Provider of waste plastic recycling services. It converts used plastics into materials that create circular plastic products. The firm operates at commercial scale, diverting millions of pounds of plastics from landfills.
- Jan 2023Series A$150M
- Feb 2022Seed—
- Dec 2021Seed—
#8
Public · Atlanta, Georgia · founded 2008 · 6 employees$19.6Mraised▾
Developer of host-targeted protein kinase inhibitors for infectious diseases. The company is developing IkT-001 and IkT-001Pro for the indications arising from polyomaviruses such as progressive multifocal leukoencephalopathy, BK-virus associated nephropathy, fungal and bacterial pneumonia. It is also working on extending the portfolio for cancer and CNS diseases.
- Jan 2023Post IPO$4.2M
- Oct 2021Grant (prize money)$385.4K
- Sep 2021Grant (prize money)$385.9K
- Sep 2017Grant (prize money)$6.2M
#9
Series A · Atlanta, Georgia · founded 2020 · 30 employees$32.2Mraised▾
Provider of solutions to convert heat into electricity. Its device uses highly reversible electrochemical reactions and a temperature differential to a pressurized gas, which can result in the efficient conversion of thermal to electrical energy.
- Apr 2022Series A$30M
- Nov 2020Seed$2.2M
#10
Acquired · Atlanta, Georgia · founded 2010 · 77 employees$44.8Mraised▾
Urjanet provides big energy data-as-a-service solutions for automation of data collection and distribution to large organizations. The company’s solutions include Utility Data service that delivers automated access to utility bill data for electricity, natural gas, water, and waste in various formats pdf, jpeg, doc etc. Urjanet’s technology cloud-based platform is a transformation engine that automatically collects disparate data from a variety of sources and normalizes it so it can be easily used for a variety of purposes.
- Jun 2020Series D$14.7M
- Mar 2017Series C$20M
- Jul 2016Series B$2M
- Dec 2012Series B$6M
#11
Seed · Atlanta, Georgia · founded 2018 · 2 employees$3.3Mraised▾
Provider of AI-powered sustainability solutions platform. It connects organizations with vetted sustainable solutions and expert networks to accelerate the adoption of sustainable practices. The platform offers tools for problem definition, solution discovery, and collaboration, leveraging AI to analyze and synthesize information from a vast knowledge base. This facilitates the development and implementation of environmentally responsible strategies across various industries.
- Jan 2024Grant (prize money)$243.7K
- Jul 2021Seed$3.3M
#12
Series B · Atlanta, Georgia · founded 2014 · 40 employees$8.4Mraised▾
AI-driven drone inspection maintenance service provider. Provides 3D visualization and modelling tools to the construction, roofing, insurance, and home improvement industries. Features include connecting AI, computer vision and advanced analytics into drone inspection services. Users can capture videos and reconstruct the property including measurements, and create a 3D model with dimensions that can be integrated with other applications.
- Jan 2022Series B—
- Feb 2019Series A$7M
- Sep 2016Grant (prize money)$1.4M
- Jan 2016Seed$600K
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Sustainability Tech coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Climate Adaptation is moving in the United States
A read on the academic research around Climate Adaptation — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 1,953 United States-affiliated papers.
- Columbia University52
- University of North Carolina at Chapel Hill43
- Arizona State University42
- Texas A&M University42
- Purdue University West Lafayette35
- Flood myth4→56
- Climate change6→47
- Flooding (psychology)2→23
- Climate resilience1→16
- Flood mitigation2→14
- Flood myth50→178
- Climate change35→155
- Flooding (psychology)18→97
- Resilience (materials science)10→84
- Psychological resilience12→55
- Climate change71→449
- Resilience (materials science)17→139
- Flood myth36→158
- Psychological resilience13→115
- Climate resilience14→92
Where climate adaptation is researched across United States
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 climate adaptation patents in the United States
United States climate adaptation patent filing is cooling — 28 filings from 19 assignees (2016–2025), led by ILC Dover, Garcia Rogerio, Serralta Denset; annual filings 6→1.
- ILC Dover20
- Garcia Rogerio4
- Serralta Denset4
- Zesty AI2
- Ballard Tristan1
- Allstate Insurance1
- LJ Yodock & ASS1
- Elgesem Ralph OLAV1
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.