Best Sustainability Tech Companies in Georgia, United States
The 169 best Sustainability Tech companies in Georgia, 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 Georgia
| # | Company | Disclosed funding | Last round | Stage | Employees | Founder | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | Nexus Circular Provider of waste plastic recycling services | $150M | 41 mo ago | Series A | 38 38 → 82 (+116%) | Jeffrey Gold Co-Founder & CTO | 43 patents Converting plastic waste into hydrocarbon fuels via pyrolysis processes. | — |
| 2 | GeoVax Developer of human vaccines for cancer and infectious diseases | $94M | 53 mo ago | Public | 17 17 → 27 (+59%) | David Dodd Chairman | 100 patents Viral vector-based vaccines for infectious diseases, cancer antigens, and T‑cell priming | 1 launch |
| 3 | AVAPCO Developer of the AVAP technology that breaks down biomass into sugars | $85M | 40 mo ago | Funding Raised | — | Theodora Retsina CEO & President | — | — |
| 4 | Femasys Developer of medical device solutions for womens healthcare | $69M | 7 mo ago | Public | 25 25 → 61 (+144%) | Kathy Lee-Sepsick President & CEO (Founder) | 198 patents Medical imaging, drug delivery systems, and reproductive health devices. | 2 launchs |
| 5 | Urjanet Automated Utility Data | $45M | 71 mo ago | Acquired | 77 | — | — | — |
| 6 | Cocrystal Pharma Provider of small molecule therapeutics for serious and/or chronic viral diseases | $42M | 109 mo ago | Public | 11 11 → 15 (+36%) | James Martin Cpa Co-CEO and CFO | 204 patents Develops cap-dependent endonuclease inhibitors for influenza antiviral therapy | — |
| 7 | Comverge Offering demand response and energy efficiency solutions | $38M | 162 mo ago | Acquired | 331 | — | 48 patents Patents concentrated in electrical & electronics | — |
| 8 | Itineris Provider of customer care and operations technologies for utilities | $36M | 112 mo ago | Series B | 63 | Edgard Vermeersch Founder & CEO | — | 2 job openings · 1 partnership |
| 9 | Altesa Biosciences Developer of drugs to treat RNA viruses 27Talent top 23%Funding top 27%Moat top 48%Global bottom 45% All 6 signals ▾Talenttop 23% Fundingtop 27% Moattop 48% Globalbottom 45% Techbottom 31% Marketbottom 22% Talent: 5 named leaders on record · 5 C-suite/founder profiles curated Funding: Raised $35.0M across 2 rounds · 2 rounds over 3 yrs (0.7/yr) rank vs industry peers · Fliar Intelligence Index 27/100 | $35M | 4 mo ago | Series B | 8 | John Clerici Co-Founder | — | — |
| 10 | Inhibitex Polymerase inhibitor for the treatment of Hep C. | $35M | 199 mo ago | Acquired | 34 | — | 89 patents Patents concentrated in chemistry & materials | — |
| 11 | ElectraTherm Waste heat recovery solutions converting low-temperature heat into clean electricity | $33M | 121 mo ago | Acquired | 51 | Richard Langson Founder & CEO | 51 patents Organic Rankine Cycle waste heat recovery and low‑grade heat utilization systems | — |
| 12 | JTEC Energy Provider of solutions to convert heat into electricity | $32M | 50 mo ago | Series A | 30 | Michael McQuary CEO & President | — | — |
| 13 | Inhibikase Therapeutics Developer of host-targeted protein kinase inhibitors for infectious diseases | $20M | 40 mo ago | Public | 6 | — | — | — |
| 14 | Saol Therapeutics Clinical-stage pharmaceutical company focused on CNS disorders and orphan diseases | $17M | 79 mo ago | Series A | 38 | David Penake CEO | — | — |
| 15 | PhosphorTech Provider of nanotech-based LED lighting components | $14M | 98 mo ago | Funding Raised | — | Chris Summers CEO & President | 20 patents Phosphor materials for lighting and semiconductor coating via electrophoretic deposition | — |
| 16 | Valdosta Housing Authority Provider of affordable housing opportunities to low-income families and individuals | $13M | 5 mo ago | Funding Raised | — | Mark Stalvey CEO | — | — |
| 17 | Nlyte Provider of data center infrastructure management, energy optimization, and asset solutions | $12M | 186 mo ago | Acquired | 42 | Robert Neave Co-Founder | — | — |
| 18 | IMUNON Developer of immunotherapeutics for cancer treatment | $10M | 12 mo ago | Public | 31 | Corinne Goff CEO | 29 patents IL-12 gene immunotherapy combined with checkpoint inhibitors and nucleic‑acid delivery platforms | — |
| 19 | Atlanta Housing Develops and manages affordable homes | $9M | 6 mo ago | Funding Raised | 549 | Terri Lee President and Chief Executive Officer | — | 1 expansion |
| 20 | Blue Lake Biotechnology Developer of intranasal vaccines using a parainfluenza virus-based vector | $9M | 67 mo ago | Series A | — | Biao He Founder & CEO | — | — |
| 21 | Pointivo AI-driven inspection maintenance service provider | $8M | 53 mo ago | Series B | 40 | Habib Fathi Co-Founder & Chief Science Officer | 51 patents 3D computer vision and sensor data processing for asset inspection and scene analysis | — |
| 22 | The Hallmark Companies Real estate firm engaged in property acquisition, development, housing, and management activities | $8M | 87 mo ago | Funding Raised | 226 | — | — | — |
| 23 | Virios Therapeutics Provider of therapeutic solution for the treatment of diseases associated with the abnormal immune response | $6M | 69 mo ago | Public | 5 | — | — | — |
| 24 | Soneter Domain name for sale, offered by owner for specified price | $6M | 141 mo ago | Series A | 12 | Jeff Leaders Foudner | 45 patents Ultrasonic fluid flow monitoring and leak detection for pipeline distribution systems | — |
| 25 | InfoTycoon Online inspection and asset management software for multi-family properties | $5M | 85 mo ago | Acquired | 18 | — | — | — |
| 26 | Athens Housing Authority Property management services for affordable housing | $4M | 5 mo ago | Funding Raised | 37 | — | — | — |
| 27 | Wattch Provider of cloud-based analytics solutions for solar power plant operators | $4M | 10 mo ago | Seed | 9 | Ryan Babaie Co-Founder | — | — |
| 28 | Ubuntoo Provider of AI-powered sustainability solutions platform | $3M | 29 mo ago | Seed | 2 | Peter Schelstraete Co-Founder | — | 1 launch |
| 29 | EnMass Energy Energy generation biomass unit | $3M | 60 mo ago | Seed | 16 | — | — | — |
| 30 | Nfant Developer of infant feeding monitoring device | $3M | 11 mo ago | Seed | 7 | — | 20 patents Lactation measurement devices and oral motor strength assessment technologies | — |
| 31 | Sequr Access software for gated communities | $3M | 92 mo ago | Acqui-Hired | 14 | Rohit Dangayach Co-Founder | — | — |
| 32 | Lumense Embeded sensor and optical detector for water & beverage quality monitoring | $3M | 151 mo ago | Deadpooled | 12 | Michael Slawson Co Founder & CEO | 10 patents Real-time chemical sensor systems for ammonia, CO₂, and water contaminant detection. | — |
| 33 | PiezoTx Developer of nucleic-acid-based therapeutics to treat various diseases | $2M | 41 mo ago | Seed | — | Cynthia Sundell Co-Founder | — | — |
| 34 | Bright Light Systems Provider of lighting and energy management solution for commercial spaces | $2M | 93 mo ago | Acqui-Hired | 11 | — | — | — |
| 35 | Microbial Medical Developing sugar conjugated diagnostic and therapeutic compounds for infectious diseases | $2M | 65 mo ago | Funding Raised | — | Mike Wach Co-Founder | — | — |
| 36 | Maptician Cloud-based space management software for offices | $2M | 10 mo ago | Series A | 12 | — | — | 1 award |
| 37 | Kairos Provider of solutions for water leak detection and control system | $2M | 6 mo ago | Seed | 27 | Dean Fung-A-Wing Co-Founder & CEO | 5 patents Additive manufacturing defect detection and on‑demand 3D part generation for repair | — |
| 38 | Verdeeco Data analytics platform | $2M | 162 mo ago | Acqui-Hired | 3,300 | Patrick Decker CEO | — | 2 launchs |
| 39 | Housing Authority of Clayton County Provider of housing programs and financial assistance for community residents | $1M | 13 mo ago | Funding Raised | — | Mandala Jones CEO | — | — |
| 40 | Housing Authority of DeKalb County Operator of housing programs assisting individuals and families with housing | $1M | 15 mo ago | Funding Raised | — | Pete Walker CEO & President | — | — |
| 41 | Community Housing Capital Provider of flexible loan capital for affordable housing development | $1M | 54 mo ago | Funding Raised | 16 | Cindy Holler President and CEO | — | — |
| 42 | Albany Community Together Provider of capital, coaching, and connections for small business development | $1M | 17 mo ago | Funding Raised | — | Thelma Johnson CEO | — | — |
| 43 | Calhoun Housing Authority Provider of subsidized housing to individuals and families with low income | $1M | 15 mo ago | Funding Raised | — | Kathy Johnson CEO | — | — |
| 44 | Cyanvac Developer of vaccine for infectious diseases | $1M | 14 mo ago | Funding Raised | 9 | — | 19 patents PIV5 viral vector vaccine development and formulation for stable antigen delivery | — |
| 45 | PHA Provider of public housing opportunities and assistance promoting self-sufficiency | $797K | 13 mo ago | Funding Raised | — | Edita Ghazaryan Deputy CEO | — | — |
| 46 | RevaTerra Provider of AI-powered bioenergy platform converting biomass into clean fuel | $716K | 2 mo ago | Seed | — | Jude Davies Co-Founder & CEO | — | 1 expansion |
| 47 | Get Optimal Tech Provider of solutions for solar sales and design | $623K | 67 mo ago | Seed | 7 | Reginald Parker Founder | — | — |
| 48 | Senslytics Causation AI based Forewarning Applications | $500K | 29 mo ago | Seed | — | Amol Awasthi Founder & Board Member | 17 patents Patents concentrated in electrical & electronics | — |
| 49 | Aquagenuity Developer of Mobile application to view water quality data | $150K | 36 mo ago | Seed | 2 | Doll Avant Founder & CEO | — | — |
Top 12 Sustainability Tech companies in Georgia
#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
Series B · College Park, Georgia · founded 2020 · 8 employees$35Mraised▾
Developer of drugs to treat RNA viruses. The lead product of the company ALT-2023 is a broadly active nucleoside analog to address most Enteroviruses & Flaviviruses. Other drug candidate includes Vapendavir a capsid inhibitor with potent activity across Rhinovirus, Influenza, and Respiratory Syncytial Virus (RSV).
- Feb 2026Series B$75M
- Dec 2022Series B$35M
#3
Funding Raised · Valdosta, Georgia · founded 2004$13.1Mraised▾
Provider of affordable housing opportunities to low-income families and individuals. The entity focuses on assisting those in need with access to decent, safe, and affordable housing. It manages housing projects and participates in programs aimed at improving residents' self-sufficiency. The organization also ensures equal employment opportunities and undertakes modernization and renovation projects to maintain and improve housing facilities.
- Dec 2025Grant (prize money)$373.4K
- Sep 2025Grant (prize money)$922.9K
- Aug 2025Grant (prize money)$573.5K
- May 2025Grant (prize money)$1.8M
#4
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
#5
Funding Raised · Athens, Georgia · founded 1938 · 37 employees$3.9Mraised▾
Property management services for affordable housing
- Dec 2025Grant (prize money)$17.6K
- Nov 2025Grant (prize money)$1.1M
- Sep 2025Grant (prize money)$1.1M
- Aug 2025Grant (prize money)$746K
#6
Public · Lawrenceville, Georgia · founded 1982 · 31 employees$10Mraised▾
Developer of immunotherapeutics for cancer treatment. It offers a lead candidate GEN-1 DNA-based immunotherapy for ovarian cancer. It has TheraPlas platform for developing anti-cancer nucleic acid-based therapies and a PLACCINE platform for developing nucleic acid vaccines for infectious diseases and cancer.
- May 2025Post IPO$3.3M
- Aug 2024Post IPO$10M
- Jun 2015Post IPO$5.1M
- Jun 2014Post IPO$8.5M
#7
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
#8
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
#9
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
#10
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
#11
Series A · Alpharetta, Georgia · founded 2016 · 12 employees$1.7Mraised▾
Cloud-based space management software for offices. The platform enables users to create office floor plans, manage employee, occupant lists, monitor or manage unutilized space, and more. Features include floorplan editor, reporting, and more.
- Aug 2025Series A$4.1M
- Apr 2021Seed$1.7M
#12
Funding Raised · Forest Park, Georgia · founded 1982$1.5Mraised▾
Provider of housing programs and financial assistance for community residents. The organization facilitates housing redevelopment and rehabilitation through financial conduits for developers. It administers programs designed to address urban blight and substandard housing. The entity offers programs for emergency repairs and retrofitting residences. The organization works with contractors and housing inspectors for rehabilitation programs.
- May 2025Grant (prize money)$273.2K
- Mar 2012Grant (prize money)$107.9K
- Dec 2011Grant (prize money)$279.7K
- Aug 2011Grant (prize money)$120.4K
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
What Georgia researches in climate adaptation
University of Georgia, Georgia State University, and Georgia Tech lead Georgia's climate-adaptation research, focusing primarily on flood risk and agricultural impacts, with a cautiously concerned tone (mean stance 0.12).
- University of Georgia14
- Georgia State University5
- Georgia Institute of Technology4
- Agricultural University of Georgia2
- Georgia Sea Grant1
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.