Best Sustainability Tech Companies in Miami, United States
The 37 best Sustainability Tech companies in Miami, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Housing Trust Group.
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 Miami
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Housing Trust Group Developer of affordable homes | $160M | 100 mo ago | Funding Raised | Randy Rieger Founder | 2000 | WordPressMySQLPHP+22 | — | 1 expansion |
| 2 | Rational Vaccines Developer of live attenuated viral immunotherapeutic and prophylactic vaccine candidates 29Funding top 28%Moat top 38%Patents top 40%Innovation top 46% All 8 signals ▾Fundingtop 28% Moattop 38% Patentstop 40% Innovationtop 46% Talentbottom 49% Techbottom 42% Globalbottom 37% Marketbottom 25% Funding: Raised $30.6M across 12 rounds · 12 rounds over 11 yrs (1.1/yr) Moat: Editorial + unicorn rating 4/10 · IP moat: 9 patents rank vs industry peers · Fliar Intelligence Index 29/100 | $31M | 11 mo ago | Series B | Agustin Fernandez Founder & CEO | 2015 | WordPressMySQLPHP+17 | 9 patents Serology diagnostics for SARS‑CoV‑2 and viral‑vector vaccines against intracellular pathogens | — |
| 3 | Plasma Waters Provider of plasma-activated water solutions for sustainable agriculture | $10M | 18 mo ago | Series A | Alfredo Zolezzi Founder & CIO | 2019 | WordPress Block EditorElementorWordPress+19 | — | — |
| 4 | Volt Energy monitoring system | $6M | 35 mo ago | Series A | Jordi Verdaguer Co-Founder | 2015 | — | 29 patents Smart outdoor lighting hardware integrating wireless control, adjustable optics, and plasma power delivery. | — |
| 5 | Habitat for Humanity Provider of affordable homes | $898K | 193 mo ago | Funding Raised | — | 1989 | Cart FunctionalityWeeblyMySQL+25 | — | — |
| 6 | Hansen Pharmaceutical Developer of gaseous nitric oxide to treat infections caused by antibiotic-resistant bacteria | $200K | 141 mo ago | Seed | Jeffrey L Jensen Co-Founder | 2014 | — | — | — |
| 7 | BlueGreen Water Technologies Provider of technology for safeguarding of waterbodies | — | 26 mo ago | Series B | Moshe Harel Co-Founder & CSO | 2022 | Webflow EcommerceWebflowYouTube+17 | — | — |
| 8 | GVS Provider of AI-based solar power plant monitoring platform | — | 45 mo ago | Seed | Matias Saul Cortada Co-Founder & CEO | 2017 | — | — | — |
Top 8 Sustainability Tech companies in Miami
#1
Series B · Miami, Florida · founded 2015 · 18 employees$30.6Mraised▾
Developer of live attenuated viral immunotherapeutic and prophylactic vaccine candidates. The company focuses on combating diseases resulting from herpes simplex virus infections. It aims to reduce suffering of those infected and reduce the spread of the virus. The goal is to revolutionize the treatment, prevention, and diagnosis of herpes and related diseases.
- Sep 2025Grant (prize money)$266.6K
- Apr 2025Grant (prize money)$291.5K
- Jan 2025Grant (prize money)$1.3M
- Aug 2023Grant (prize money)$1.3M
#2
Series A · Miami, Florida · founded 2019$10Mraised▾
Provider of plasma-activated water solutions for sustainable agriculture. It offers a pay-per-use model, making advanced technology accessible to farmers. The company develops crop-specific solutions to boost yields and quality, applicable across various farming methods. Its technology enhances germination, promotes vigorous growth, and improves crop resilience and shelf life, reducing reliance on chemical inputs. The company supports a global network of farmers adopting cleaner, greener practices.
- Feb 2025Grant (prize money)$153.3K
- Dec 2021Series A$10M
#3
Funding Raised · Miami, Florida · founded 2000 · 150 employees$160.4Mraised▾
Developer of affordable homes
- May 2018Conventional Debt$8.4M
- Dec 2016Conventional Debt$21.2M
- Nov 2016Conventional Debt$47.1M
- Oct 2016Conventional Debt$22M
#4
Series A · Miami, Florida · founded 2015$6Mraised▾
Energy monitoring system. It provides solutions to track energy usage in real time. It offers real time data to know about how energy is being consumed.
- Oct 2023Series A$6M
#5
Funding Raised · Miami, Florida · founded 1989 · 33 employees$898Kraised▾
Habitat for Humanity of Greater Miami builds and renovates safe, affordable homes for families in need. Our partner families work over 250 hours of “sweat equity†(volunteer hours) building their home and the homes of their soon-to-be neighbors. These families purchase their homes at cost and with a 0% interest loan.
- Jul 2010Grant (prize money)$245.1K
- Jun 2006Grant (prize money)$652.9K
#6
Seed · Miami, Florida · founded 2014$200Kraised▾
Hansen Pharmaceutical is a developer of infections caused by antibiotic-resistant bacteria. The company has developed its proprietary technology of gaseous nitric oxide under pressure (gNOp) to treat antibiotic-resistant bacteria and treat wounds.
- Dec 2014Seed$200K
#7
Series B · Miami, Florida · founded 2022 · 27 employees—raised▾
Provider of technology for safeguarding of waterbodies
- Jul 2024Series B—
#8
Seed · Miami, Florida · founded 2017—raised▾
Provider of AI-based solar power plant monitoring platform
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 Miami researches in climate adaptation
- University of Miami12
- Miami University1
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.