Best Waste & Water Management Companies in Singapore, Singapore
The 55 best Waste & Water Management companies in Singapore, Singapore in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Keppel Infrastructure Trust.
Ranked by disclosed equity funding and recent momentum, the Waste & Water Management companies in Singapore tracked here represent a sector that's quietly compounding. Fifty-five companies. $372M in total disclosed funding. No unicorns yet, but the capital concentration tells you something: Keppel Infrastructure Trust alone accounts for $300M of that pool, which means the remaining 54 companies are splitting roughly $72M between them. Apeiron Bioenergy sits next at $37M, then Ideation3X at $15M, Sanli at $8M, and Hydroleap at $6M. That's a steep drop-off, and I think it's actually the most honest picture of where this market stands today. A few scaled operators, a long tail of early-stage bets, and real infrastructure capital anchoring the top.
What's pulling funding in? The sector is growing at roughly 5.8% CAGR, driven by water scarcity pressures, desalination expansion, and urbanization demanding modernized drainage systems. Hot themes in coverage right now include flood resilience and floodplain management, both of which map directly onto Singapore's infrastructure priorities. So if you're trying to understand where the next $37M check lands in this directory, watch the companies building at that intersection of climate risk and urban water infrastructure. The demand isn't speculative. It's written into city planning budgets.
- prnewswire.com
Our analysis of 100 Waste & Water Management companies
$3.6b in tracked funding; 67% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Waste & Water Management companies in Singapore
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Keppel Infrastructure Trust Provider of waste & water treatment solutions | $300M | 39 mo ago | Public | Khor Un Hun CEO | 2007 | BootstrapAzure Front DoorAzure+7 | — | — |
| 2 | Apeiron Bioenergy Provider of biofuel from recycled waste cooking oil and other feedstocks | $37M | 36 mo ago | Series A | Lynette Zeng Group Human Resources Director | 2007 | WebflowMicrosoft 365jsDelivr+6 | — | — |
| 3 | Ideation3X Provider of recycling services | $15M | 35 mo ago | Series B | Siva Subramaniam Co-Founder & CEO | 2017 | — | — | — |
| 4 | Sanli Provider of waste and wastewater solutions | $8M | 7 mo ago | Public | — | 2017 | WordPressMySQLPHP+13 | — | 1 award |
| 5 | Hydroleap Provider of wastewater treatment services | $6M | 11 mo ago | Series A | Mohammad Sherafatmand Founder & CEO | 2016 | WordPressMySQLPHP+22 | 2 patents Automated responsive electrocoagulation systems for wastewater treatment | — |
| 6 | Zerowaste Asia Technological solutions and project development for waste & wastewater treatment | $4M | 79 mo ago | Series A | Xiaolong Sun Founder & Managing Director | 2014 | — | — | — |
| 7 | Alterpacks Provider of organic waste recycling services | $1M | 42 mo ago | Seed | — | 2019 | — | — | 1 award |
| 8 | Flagship EcoSystems Provider of water treatment services | $708K | 127 mo ago | Series A | Wang Carolina Co-Founder | 2005 | — | — | — |
| 9 | METech International Provider of e waste management and recycling services | $701K | 115 mo ago | Public | — | 2001 | WordPressMySQLPHP+28 | — | — |
Top 12 Waste & Water Management companies in Singapore
#1
Public · Singapore, Singapore · founded 2017 · 578 employees$7.7Mraised▾
Provider of waste and wastewater solutions
- Dec 2025Post IPO$7.7M
#2
Series A · Singapore, Singapore · founded 2016 · 14 employees$6.4Mraised▾
Provider of wastewater treatment services
- Jul 2025Series A$4.8M
- Jul 2023Series A$4.4M
- Nov 2019Seed$1.9M
- Mar 2017Seed$83.7K
#3
Public · Singapore, Singapore · founded 2007 · 22 employees$299.6Mraised▾
Keppel Infrastructure designs, build and operates waste & water treatment plants. The waste-to-energy plants in Singapore have a combined waste processing capacity of 3,110 kg & generates 78 MW of electricity as of Mar'18. Desalination plant built at Tuas, Singapore supplies 136,380 m3 of potable water per day. Clients are Sing Spring & Senoko. Also offers gas production solution & telecom services.
- Apr 2023Post IPO$299.6M
#4
Series A · Singapore, Singapore · founded 2007$37Mraised▾
Provider of biofuel from recycled waste cooking oil and other feedstocks. It collects and processes used cooking oil, palm oil mill effluent, and other waste materials to produce biodiesel and renewable diesel. The process reduces waste and greenhouse gas emissions. The company also collaborates with communities and waste collectors to improve waste management practices. Its products are used as sustainable alternatives to petroleum-based fuels.
- Jun 2023Series A$37M
- Oct 2022Seed—
- Aug 2022Seed—
#5
Series B · Singapore, Singapore · founded 2017 · 5 employees$15Mraised▾
Provider of recycling services
- Aug 2023Series B$5M
- Jan 2023Series B$10M
#6
Seed · Singapore, Singapore · founded 2019 · 4 employees$1Mraised▾
Provider of organic waste recycling services
- Jan 2023Seed$1M
#7
Series A · Singapore, Singapore · founded 2014 · 11 employees$3.7Mraised▾
Zerowaste Asia provides technological solutions and project development services for waste & wastewater treatment. Provides reagents for the removal of heavy metals in fly ash, wastewater sludge, leachates & flue gas.
- Dec 2019Series A$3.7M
#8
Public · Singapore, Singapore · founded 2001 · 119 employees$701.5Kraised▾
Provider of e waste management and recycling services
- Nov 2016Post IPO$701.5K
#9
Series A · Singapore, Singapore · founded 2005$708Kraised▾
Provider of water treatment services
- Dec 2015Series A$708K
#10
Seed · Singapore, Singapore · founded 2021 · 2 employees—raised▾
Developer of hydro panel technology designed to harvest moisture out of the air to produce water passively at an industrial scale. The company's technology safely and sustainably harvests the humidity naturally present in the air, enabling clients to produce unlimited quantities of water without emitting any grams of carbon dioxide into the atmosphere.
- 2021Seed—
#11
Seed · Singapore, Singapore · founded 2017—raised▾
Plastic disposal company
- Dec 2019Seed—
#12
Acquired · Singapore, Singapore · founded 1989 · 1600 employees—raised▾
Provider of water treatment services
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Waste & Water Management coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Water Treatment is moving in Singapore
A read on the academic research around Water Treatment — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 230 Singapore-affiliated papers.
- National University of Singapore54
- Nanyang Technological University51
- University of Malaya46
- Ministry of Education40
- Ministry of Health20
- Adsorption4→7
- Photocatalysis1→4
- Desalination2→4
- Adsorption5→16
- Wastewater7→14
- Water quality3→7
- Environmental engineering2→5
- Activated carbon2→4
- Water quality16
- Membrane6
- Environmental engineering5
- Water supply5
- Environmental health4
Where water treatment is researched across Singapore
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.