Guiding your sustainability path
We guide organisations along their sustainability path—translating ambition into action and complexity into clarity.
Our mission
Be your guide throughout your sustainability journey
At Sustainao, we believe sustainability is more than a responsibility—it is a strategic advantage.
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We see sustainability as a continuous journey— driven by people, through the decisions they make every day.​
That’s why we believe the role of sustainability consultancy isn’t just to produce strategies and reports—it’s to empower your team to engage, adapt, and drive progress at every level.
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Our mission is to guide you along your sustainability path—translating ambition into action and complexity into clarity.
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We take a holistic approach, combining rigorous systems thinking with flexibility. Our five-pillar framework—Awareness, Strategy, Deployment, Reporting, and Recognition—helps you embed sustainability in a way that’s practical, scalable, and meaningful. Through our Start, Shape, and Sustain offerings, we help you apply this framework at the right depth and pace for your organisation.
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With a long-term perspective and a focus on continuous improvement, we help you generate value now while building resilience for the future.
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We are your trusted partner—offering clarity, building trust, and delivering actionable insights that turn sustainability into your greatest strategic asset.
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​We don’t just offer advice—we walk the sustainability path with you.
Clarity
We simplify sustainability into clear, actionable steps.
Our Core Values
Trust
We build lasting relationships rooted in collaboration and accountability.
Progress
We drive continuous improvement towards lasting value.
Empowerment
We equip people to own and advance sustainability in their roles.
Adaptability
We blend structure with flexibility to meet diverse needs at every level.
Integrity
We operate with transparency, accountability, and commitment to meaningful impact.
Team
Get to Know Us
Ivona Balint-Kowalczyk
Managing Director, Founder of Sustainao
With over 10 years of experience in the sustainability field, Ivona helps businesses navigate their sustainability journey by developing impactful strategies, embedding sustainable practices across operations, and reporting performance to stakeholders.
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Before founding Sustainao in 2019, she worked as a sustainability auditor at KPMG France, where she conducted sustainability audits in 15 countries across Europe, Africa, and Asia.
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Ivona holds an MBA in corporate sustainability, a master’s degree in environmental management, and a bachelor’s degree in chemistry-biology.
Zuzana Dzurillova
Sustainability Partner, Climate Expert
Zuzana is an experienced consultant specialised in enterprise-wide sustainability management and climate risk. She uses her experience from the financial sector, risk and management consulting to help organisations identify and address material ESG topics, assess financial risks from climate change/nature and wider ESG risks, measure GHG emissions, report and disclose based on international standards/frameworks (TCFD, IFRS, GRI). She founded Tamotsu Institute, a sole proprietorship in Singapore in 2023.
Zuzana holds certificates in Sustainability Leadership, TCFD, Sustainability and Climate Risk (SCR), and a master’s degree in finance, banking and investments.
Tessa Wong
Sustainability Consulting Manager
Tessa is a sustainability consultant with a background in strategy consulting and business development. She is passionate about driving sustainable growth.
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Previously, she worked as an international development consultant in Cambodia, supporting governments, donors, and development banks on research and evaluation projects focused on gender equality, energy efficiency, and just energy transition. She began her career at Accenture Singapore as a consulting analyst.
Tessa holds a certificate in climate emergency and a bachelor's degree in business administration and management.
Dilys Chia
Sustainability Consultant
Dilys is a sustainability consultant with a background in the pharmaceutical industry. She applies a structured, compliance-driven approach to ensure organisations can effectively manage ESG risks and align with regulatory and stakeholder expectations.
In her prior role as a patient safety lead, she ensured compliance with local regulations, participated in audits and inspections, and engaged with stakeholders on safety risks.
Dilys holds a certificate in sustainability, an MBA in business and technology, and a bachelor's degree in pharmacy.