Rated Corporate Water & Waste Management

Aqua One Water Corporation

Ticker: Unlisted
BBB+ Current rating
Stable Outlook
2 Rating status
0 SPOs published

About the Issuer

Established in 2015, AQUAONE is one of Vietnam's largest water supply companies, specializing in surface water treatment plants (WTPs). The company operates two major plants-Duong WTP (Duong River Surface Water Plant Joint Stock Company) in Hanoi (since 2018) and Phu Yen WTP (Phu Yen Water Supply and Sewerage werage Joint Stock Company) in Dak Lak province (since 2019)-with a combined capacity capacity of 350,000 cubic meters (cbm) per day, ranking among the top 10 nationwide in water treatment capacity. In addition, AQUAONE manages water distribution networks serving retail
customers across multiple areas of Hanoi.

Basic information
Sector level 1 Corporate
Sector level 2 Water & Waste Management
Ticker Unlisted
Customer code COM002334

Rating Results

Issuer rating - Long-term
BBB+
Outlook: Stable
Issue rating - Long-term
BBB+
Debt instrument type: Stable
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Credit Opinion

Factors that could lead to an upgrade

The company maintains steady improvement in its operating cash flow to fund its expansion plans, leading to improvements in debt leverage and coverage ratios

Factors that could lead to a downgrade

(1) there is a significant deterioration in cash sources, weakening the company’s liquidity; and/or
(2) the company fails to implement its business plans, leading to significant deterioration in leverage and coverage metrics; and/or
(3) the holdco is unable to direct liquidity resources from subsidiaries to meet its obligations

Strengths

(1) Strong business profile in water and waste management sector
(2) Stable demand with high entry barriers
(3) Above-average profitability

Challenges

Below-average leverage and debt coverage driven by debt-funded CAPEX

Issuer analysis reports

Related sector reports

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Rating Results

LATEST CORPORATE CREDIT RATING RESULTS  |  12/2025
BBB+
Outlook: Stable

Second Party Opinion

List of Second Party Opinions (SPO) published by VIS Rating for Unlisted.

Date Title Sector Applicable Standards Report

VIS Rating has not issued a Second Party Opinion for this company

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