Best Environment Tech Companies in Seoul, South Korea
The 50 best Environment Tech companies in Seoul, South Korea in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Ecube Labs.
Our analysis of 241 Environment Tech companies
$25.6b in tracked funding; 88% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Environment Tech companies in Seoul
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Ecube Labs Developer of Sensors, smart trash bins and analytics software for waste management | $23M | 37 mo ago | Series C | Sean Gwon Co-Founder & CEO | 2011 | WordPressSentryMySQL+21 | 46 patents Autonomous waste collection vehicles and AI-driven garbage sorting systems | — |
| 2 | Encored Technologies AI and cloud-driven platform offering demand response management solutions | $17M | 127 mo ago | Series B | John Choe Founder & CEO | 2013 | Node.jsTailwind CSSReact+9 | 26 patents Predictive load management for EV charging stations and cloud‑based microgrid optimization. | — |
| 3 | H energy Provider of platform for energy sharing | $7M | 47 mo ago | Series B | Ilhan Ham Founder & CEO | 2018 | Apple iCloud MailFirebaseVue.js+9 | 1,565 patents Advanced lithium‑ion battery cathode materials, electrode current collectors, fire‑barrier boards, marine mooring systems | — |
| 4 | Korea Spatial Data Offers an AI-integrated digital twins for managing physical spaces | $3M | 32 mo ago | Series B | Hyunwoo Kim Co-Founder & CEO | 2018 | — | — | — |
| 5 | INGINE Technology solutions provider for energy harvesting from the wave | $3M | 62 mo ago | Seed | Yong Jun Sung Founder & CEO | 2011 | — | 166 patents Marine wave energy conversion systems and offshore floating platforms | — |
| 6 | Hooxi Partners Provider of carbon credit solutions and SaaS-based carbon accounting management software | $2M | 28 mo ago | Series A | Lee Haeng-Yeol Co-CEO | 2021 | ImwebSentryFroala Editor+23 | — | — |
| 7 | CnerG Online PPA marketplace for enterprises | $2M | 30 mo ago | Seed | Yong Jin Founder & CEO | 2020 | Node.jsMUIReact+18 | — | — |
| 8 | Aents Provider of a software-as-a-service platform providing carbon neutrality management solutions for businesses | $1M | 39 mo ago | Series A | Gwang Park CEO | 2021 | HugoReactstyled-components+12 | 9 patents AI-driven carbon emissions monitoring, calculation, verification, and credit pricing solutions | — |
Top 12 Environment Tech companies in Seoul
#1
Series C · Seoul, Seoul · founded 2011 · 37 employees$22.7Mraised▾
Developer of Sensors, smart trash bins, and analytics software for waste management. The offered products are an ultrasonic waste fill-level sensor to monitor solid & liquid waste in the containers and GPS location tracking of bins, a solar-powered trash compactor LED backlights, LCD panel, graphics wrap and wifi routers, a cloud platform to collect data from sensors, and compactors to monitor waste collection operations, optimize waste collection routes and costs.
- Jun 2023Series C$11.7M
- Sep 2021Series B$11M
#2
Series A · Seoul, Seoul · founded 2021$2.4Mraised▾
Provider of carbon credit solutions and SaaS-based carbon accounting management software. It specializes in greenhouse gas emission measurement, analysis, reduction, and trading solutions.
- Apr 2024Series A$1.5M
#3
Series B · Seoul, Seoul · founded 2018 · 72 employees$3.1Mraised▾
Offers an AI-integrated digital twins for managing physical spaces. The company offers digital twins for running simulations to identify and manage issues in spaces. It enables users to monitor and manage the maintenance and development of infrastructure. It also provides energy management solutions for buildings.
- Dec 2023Series B$3.1M
- Oct 2022Series A—
#4
Seed · Seoul, Seoul · founded 2020$2.3Mraised▾
Online PPA marketplace for enterprises. Platform list buying and selling of projets. It offers a marketplace for the purchase and sale of different environmental commodities, including carbon credits, Guarantees of Origin, International RECs, and US RECs. The marketplace supports over the counter transactions with an integrated built in messenger system, real-time updates, and sorting and searching tools.
- Feb 2024Seed$2.3M
- 2022Seed—
#5
Series B · Seoul, Seoul · founded 2018 · 14 employees$7.1Mraised▾
Henergy provides a platform for energy sharing. Its other services include PV power intermediation for power-brokering, REC trading, and profit management of small solar power plant, ESS Optimal Operational service for business demand forecasting, rate reduction, and earning settlement, Rooftop Sharing service for share the lease revenue of house, and Virtual Power Plant.
- Aug 2022Series B$5.2M
- Jun 2021Series A$1.9M
#6
Series B · Seoul, Seoul · founded 2013 · 49 employees$16.8Mraised▾
AI and cloud-driven platform offering demand response management solutions. It offers energy-saving solutions to enable users to optimize and save electricity. It provides Enertalk - an internet-connected energy meter to track energy usage in the house. The data tracked is displayed to the consumer via the app. Additionally, it provides forecasting solutions, disaggregation solutions, solar PV load optimization solutions, and more. Its app is available for Android devices.
- Dec 2015Series B$10M
- Oct 2014Series A$6.3M
#7
Series A · Seoul, Seoul · founded 2021 · 10 employees$1.4Mraised▾
Provider of a software-as-a-service platform providing carbon neutrality management solutions for businesses. It enables them to measure, share, and reduce their carbon footprint. Its platform offers a comprehensive solution for companies to achieve their sustainability goals and comply with environmental regulations. It aims to support businesses in their transition to a more sustainable future.
- Apr 2023Series A$1.4M
- Sep 2021Seed—
#8
Seed · Seoul, Seoul · founded 2011 · 26 employees$3Mraised▾
INGINE is a technology solutions provider for energy harvesting from the wave. It offers a Wave Energy Converter technology that can generate power using wave movements. It can be installed in breakwater barriers in coastal areas. Other solutions include Multi-DOF Energy Recovery Technology which can generate energy from waves irrespective of their direction.
- May 2021Conventional Debt$3.5M
- Jul 2020Seed$2.1M
- Aug 2016Seed$905.2K
#9
Seed · Seoul, Seoul · founded 2022—raised▾
Provider of solutions to convert waste into biofuels. It collects used cooking oil and converts it into biofuels.
- May 2026Grant (prize money)—
- Nov 2024Seed—
#10
Series A · Seoul, Seoul · founded 2018—raised▾
Dataware for food services company offering AI food scanners. It analyze food of the container, such as a tray or plate. Its artificial intelligence food conveyor scanner monitors plate waste, kitchen waste, and motion-based plate waste tracking.
- Mar 2026Series A—
- Seed—
#11
Seed · Seoul, Seoul · founded 2022—raised▾
Provider of carbon accounting solution. It provides solution for calculating and disclosing carbon emissions on a global basis. It also provides a business and transaction platform to reduce carbon emissions.
- Jun 2024Seed—
#12
Series B · Seoul, Seoul · founded 2014 · 39 employees—raised▾
Corners offers an Internet of Things enabled evacuation guidance solution for buildings. The solution consists of IoT stations and a web-based portal. The IoT stations are sensors (wall-mounted sensors, mobile sensors, projection lights, and LoRa controllers) that measure multiple parameters such as heat, temperature, humidity, flame, gas, and illumination. The stations are also capable of understanding the disaster situation and sending the information regarding the same to the gateway. The web-based portal helps the user visualize the problem and prevent the same. The company claims that the solution features safe evacuation routing algorithm that helps in real-time evacuation path calculation, creating hazardous areas avoidance, and predicting bottlenecks. In addition, the company also offers IoT based theme park customer experience management solution. Clientele includes Government of Korea, Busan Transportation Corporation, Korea Railway Authority, SK Hynix, Lotte Department Store, Everland, Korean Rally etc.
- Apr 2018Series B—
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 Seoul researches in environmental monitoring
- Seoul National University8
- University of Seoul6
- Seoul National University of Science and Technology2
- Inje University Seoul Paik Hospital1
- Seoul National University Bundang Hospital1