Decarbonize, certify, and build a business that stays Relevant.
From assessment to strategy, we help businesses across Southeast Asia reduce emissions, optimize resources, and future-proof operations, with clarity, structure, and measurable value.
Sustainability Strategy, for Real-World Business.
Agence de Tounens is a sustainability consulting firm based in Hong Kong built to make sustainability not only possible, but practical. We work with forward-thinking companies ready to turn environmental responsibility into long-term relevance, resilience, and results.
Lead with Credibility & Impact
Strengthen your reputation, gain trust through certification, and position your business as a responsible leader in your industry.
Save Costs & Improve Efficiency
Optimise resources, reduce energy consumption, and drive long-term savings through practical sustainability solutions.
Stay Compliant & Competitive
Be ready for new regulations, meet market expectations, and stay ahead in an economy where sustainability is becoming non-negotiable.
Bridging Sustainability and Profitability with Purpose.
We believe the future belongs to businesses that act with intention, those who see environmental responsibility not as a checkbox, but a driver of progress.
Our mission is to help organizations lead the transition to a low-carbon economy by making sustainability strategic, actionable, and integrated into how they operate and grow.
Integrity Over Optics
We believe sustainability should be real, not performative. Our work is grounded in honesty, transparency, and accountability.
Simplicity over Complexity
We value simplicity, clear processes, plain language, and practical steps that businesses can act on.
Partnership Over Prescription
We collaborate with clients, not lecture them. We meet you where you are and move forward together.
Practice Over Theory
We build sustainability into your business model, not around it, ensuring seamless execution and long-term fit.
Climate Solutions that work for your business.
We offer full-service sustainability support, from carbon footprinting to certification and beyond, designed to deliver real results, not extra work.
Carbon Footprint Assessment
We measure your emissions across Scope 1, 2, and 3 using internationally recognized methods, laying the foundation for real action.
Certification Readiness & Regulatory Compliance
We guide you to credible recognition, handling preparation, documentation, and pre-audit strategy while ensuring compliance with regulatory obligations and certification standards.
Tailored Decarbonization Strategy
We build targeted action plans to reduce emissions and improve efficiency, while connecting you with trusted local solution providers to help implement change on the ground.
Resource Management & Optimization
We help you lower energy, water, and material usage, identifying cost-saving opportunities with environmental benefits.
Carbon Credit & Market Access
Unlock new value through verified credits and carbon market entry, designed to generate revenue while advancing your climate targets.
Sustainable Finance Solutions
Position your business for green funding by aligning with ESG criteria and demonstrating measurable impact.
Industries we help transform.
We work across high-impact sectors in Thailand and Southeast Asia, industries that are both vital to economic growth and central to the sustainability transition. Our services are tailored to each industry’s challenges, regulations, and operational realities.
Contact
Let's talk sustainability.
Whether you're just getting started or ready to scale your climate strategy, we’re here to help. Reach out to explore how we can support your journey, every step of the way.
You’re also welcome to reach us directly at bonjour@tounens.com
Your Concerns, Answered.
Sustainability can feel overwhelming, costly, complicated, and hard to navigate. We understand the concerns businesses face and we’re here to make it easier, more practical, and worth your investment.
Here’s what we hear most often and how we help.