Best Sustainability Tech Companies in Gyeonggi-do, South Korea
The 34 best Sustainability Tech companies in Gyeonggi-do, South Korea in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Superbin.
Our analysis of 293 Sustainability Tech companies
$38.4b in tracked funding; 83% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Sustainability Tech companies in Gyeonggi-do
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Superbin Developer of resource circulation systems that convert waste into reusable materials | $17M | 74 mo ago | Series B | Kim Bin CEO | 2015 | Node.jsEnvoyReact+9 | 24 patents Automated waste collection, sorting, and compression systems with AI-driven object detection | — |
| 2 | APgreen Developer of modular clean hydrogen generators utilizing non-thermal plasma technology | — | 5 mo ago | Funding Raised | Taeyoon Park Chief Executive Officer | 2022 | — | 10 patents Hydrogen production technologies with integrated low‑emission carbon capture and polymerization | — |
| 3 | A2US Provider of air purification and smart farm solutions | — | 32 mo ago | Seed | Seung Lee CEO | 2022 | — | 13 patents Electrospray nozzle technology for humidification, antibacterial mist, and plant cultivation systems | — |
| 4 | Tan Solution Online platform offering carbon accounting solution | — | 34 mo ago | Seed | Jungmin Lee CEO | 2022 | — | — | — |
| 5 | SD Biosensor Provider of point-of-care diagnostics for multiple diseases | — | 76 mo ago | Public | Hyo Lee Co-CEO | 2001 | PHPBootstrapAmazon ALB+9 | 174 patents Point‑of‑care biosensor devices for continuous glucose monitoring and rapid nucleic‑acid testing | — |
| 6 | Gene Matrix Nucleic acid based assays for infectious and genetic diseases | — | 227 mo ago | Public | CJ Jedang Founder | 2000 | PHPGSAPNginx+8 | — | — |
| 7 | BEI Lab Developer of lithium metal batteries for electric vehicles and military | — | — | Funding Raised | Josiah Bae Co-Founder & CEO | 2018 | — | — | — |
| 8 | CALTH Developer of rapid diagnostic kits and immunoassay devices | — | — | Public | — | 2018 | — | 19 patents Sample concentration filters and imaging-based infection diagnostics for nucleic acid assays | — |
Top 6 Sustainability Tech companies in Gyeonggi-do
#1
Series B · Seongnam-si, Gyeonggi-do · founded 2015 · 126 employees$16.8Mraised▾
Developer of resource circulation systems that convert waste into reusable materials. They redesign sorting systems and logistics infrastructure for recycling purposes. The company aims to build a community supporting various forms of life. It seeks to protect the environment and promote balance for the future.
- Aug 2020Series B$16.8M
#2
Funding Raised · Ansan-si, Gyeonggi-do · founded 2022 · 8 employees—raised▾
Developer of modular clean hydrogen generators utilizing non-thermal plasma technology. The company’s generators convert hydrocarbon gas into hydrogen through methane pyrolysis and partial oxidation. The technology employs a dielectric barrier discharge non-thermal plasma reactor. The generators are designed for onsite hydrogen production with little to no carbon dioxide generation.
- May 2026Grant (prize money)—
#3
Seed · Bucheon-si, Gyeonggi-do · founded 2022—raised▾
Provider of air purification and smart farm solutions. It provides various technology solution such as Cone-jet and Simple-jet for odor reduction, ultrafine dust collection, and more.
- Feb 2024Seed—
#4
Seed · Seongnam-si, Gyeonggi-do · founded 2022—raised▾
Online platform offering carbon accounting solution. It offers solutions such as checking the emission status of each business site, automatic collection of usage API linkage, generating annual reports to report activity data, and more.
- Dec 2023Seed—
#5
Public · Suwon-si, Gyeonggi-do · founded 2001 · 175 employees—raised▾
Provider of point-of-care diagnostics for multiple diseases. It offers technology for POC molecular diagnostics, fluorescent immunoassay, immunochromatography, BGMS and CGMS. The products include SD A1care is an immunochromatographic analyzer for HbA1c levels in blood, SD Lipidocare for monitoring blood cholesterol levels, and SD GlucoNavii is for rapid glucose measurement.
- 2020Post IPO—
#6
Public · Seongnam-si, Gyeonggi-do · founded 2000 · 60 employees—raised▾
Gene Matrix develops nucleic acid based assays for infectious and genetic diseases. Its proprietary Restriction Fragment Mass Polymorphism (RFMP) technology uses the mass of fragmented gene sequences to identify polymorphisms and other mutations. It has diagnostic products for hepatitis B&C, HPV and congenital hearing loss. In addition, tests for HIV/AIDS and the flu are under development.
- Nov 2007Series A—
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 South Korea
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 173 South Korea-affiliated papers.
- Korea Environment Institute17
- Kyungpook National University11
- Seoul National University11
- Korea Institute of Civil Engineering and Building Technology10
- Korea University10
- Flood myth10
- Flooding (psychology)5
- Climate change5
- Vulnerability (computing)4
- Flood mitigation3
- Flood myth16→33
- Climate change4→16
- Hydrology (agriculture)5→14
- Drainage4→10
- Flood mitigation3→9
- Flood myth6→12
Where climate adaptation is researched across South Korea
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.
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.