Best Environment Companies in Thailand
The 53 best Environment companies in Thailand in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Annex Power.
- Research Reports World
- The Business Research Company
Our analysis of 309 Environment companies
$75.8b in tracked funding; 79% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Environment companies in Thailand
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | Annex Power EPC company in solar, wind and biomass segment | $30M | 154 mo ago | Deadpooled | Daniel Gaefke Founder | 2008 | — | — |
| 2 | ConstantEnergy Provider of solar financing services | — | 10 mo ago | Acquired | Franck Constant CEO and founder | 1995 | WordPressMySQLPHP+30 | 1 job opening · 3 partnerships |
| 3 | B Grimm Power Developer and operator of co-generation and renewable energy power plants | — | 100 mo ago | Public | Preeyanart Soontornwata CEO & President | 1878 | — | — |
| 4 | Gunkul Renewable Energy IPP | — | 125 mo ago | Public | — | 1982 | EChartsBootstrapVuetify+20 | 1 job opening |
| 5 | AA Metal Scrap Trading company specializing in the buying and selling of steel scrap metal | — | — | Unfunded | Ankur Dubey CEO & Owner | 2007 | WordPressMySQLRedis+17 | — |
| 6 | AKKHIE PRAKARN Public Company Provider of waste management and treatment services | — | — | Public | Vanchai Luengviriya CEO | 2008 | Windows ServerAnimate.cssBootstrap+11 | — |
| 7 | ARS Environmental Service Provider of integrated environmental hygiene management services | — | — | Unfunded | Seigo Teraguchi Managing Director | 2016 | — | — |
| 8 | Assyce Asia Developer of large-scale commercial solar power plants | — | — | Unfunded | Tobias Deissler CEO & MD | 2011 | — | — |
| 9 | banpu power public Banpu Power Public Company Limited or Banpu Power (BPP) then named ''Cogeneration PLC''. | — | — | Public | — | 1996 | WordPressMySQLPHP+26 | 1 expansion |
| 10 | BBGI Holding company investing in and managing biofuel production and distribution. | — | — | Public | Kittiphong Limsuwannarot CEO | 2017 | EChartsBootstrapVuetify+21 | — |
Top 4 Environment companies in Thailand
#1
Deadpooled · Bangkok, Bangkok · founded 2008$30Mraised▾
Annex Power is an EPC service provider for solar photovoltaic (PV), wind and biogas power projects and has an operational presence in Thailand, Philippines and Indonesia. Annex is a portfolio company of Asia Cleantech recently backed by Armstrong Asset Management. The company provides solar modules, solar on-grid kits and off-grid kits, wind hybrid kits, wind turbines and generators, solar charge controllers, inverters, solar mounting structures, solar thermal systems and heat pumps, photovoltaic modules, batteries and other such products.
- Sep 2013PE$30M
#2
Acquired · Bangkok, Bangkok · founded 1995 · 69 employees—raised▾
Provider of solar financing services
#3
Public · Bangkok, Bangkok · founded 1878 · 700 employees—raised▾
Developer and operator of co-generation and renewable energy power plants. This company focuses on cleaner energy production, investing in and managing power plants to provide electricity. They prioritize sustainable practices and aim to contribute to infrastructure development and energy security. The company's operations encompass the entire lifecycle of power plant development, from initial planning and construction to ongoing maintenance and operation. A key aspect of their business model is establishing strong partnerships to facilitate growth and expansion.
#4
Public · Bangkok, Bangkok · founded 1982—raised▾
Gunkul is a large independent power producer with focus on renewable energy. The company has developed multiple projects in ground-mounted solar and rooftop mounted as well as wind power projects. Apart from renewable energy generation and project development, they are also working on developing distribution systems for electricity.
Funding & investor landscape
Market landscape — 10 sub-themes by coverage
Share of Environment coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Environmental Monitoring is moving in Thailand
A read on the academic research around Environmental Monitoring — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 92 Thailand-affiliated papers.
- Chiang Mai University11
- Chulalongkorn University9
- King Mongkut's University of Technology Thonburi8
- Mahidol University7
- Kasetsart University6
- Air quality index3
- Sensor web2
- Wireless sensor network2
- Real-time computing2
- Water quality2
- Air pollution2→4
- Human health5
- Pollutant4
- Risk assessment4
- Pollution3
- Contamination3
Where environmental monitoring is researched across Thailand
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
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.