From data to measurable progress


Data as the foundation
The best decisions start with accurate data. Numbers and analyses form the foundation for every strategy we develop and every action plan we implement.
Focus on results
From 10-15% energy savings to CO2 reduction across the entire value chain: our results-driven approach delivers measurable impact. On the environment and your organization.
Actionable plans
We combine technical expertise and a strategic vision with experience across diverse sectors. This results in solutions that are technically sound and implementable.
Future-oriented
We look beyond today's challenges. Whether it's new legislation or changing market expectations, we prepare your organization for what's to come.
Sustainability is often made out to be too complex. With realistic goals, incremental improvements, and the right expertise, you can achieve measurable impact in just a few months.


Our approach to sustainable business
Pragmatic over perfect. Utopias get you nowhere. With realistic goals and gradual improvements, you build momentum and achieve measurable results faster.
Going green is more than CO2 reduction. Sustainability affects all parts of your organization. With a broad approach, you achieve both tangible environmental gains and increased process efficiency.
There are no standard solutions. Sustainability means something different for every organization. Your company also has its own context, challenges, and opportunities. That requires a tailored approach.
The success of an ESG journey depends on the right technical and strategic expertise. Expect concrete experience in sectors such as construction, chemicals, food and manufacturing.
Fewer emissions, lower costs, greater advantage
Make informed choices
Strengthen your market position
Achieve structural cost savings
Why wait for tomorrow's technological breakthroughs? The tools and expertise already available today make it possible to achieve concrete impact now.


Tailored solutions, peace of mind, and a wealth of experience
Complete peace of mind. Our experts guide you through your green transition journey: from data collection, analysis, and strategy to a concrete action plan, reporting, and certification.
Dedicated and accurate. Expect concrete solutions tailored to your sector, organization, and processes. Reporting that meets the requirements of clients, partners, and governments.
We thrive on challenges. We're eager to sink our teeth into complex projects and reports. We do this with concrete experience in sectors such as construction, chemicals, food, and manufacturing.
Go Green with ROI
Meet European requirements, avoid financial risks, and make your organization more efficient with a future-oriented sustainability plan.









That's why clients enjoy working with us
Expert
Experts who excel through strategic know-how, knowledge of audit processes, and experience in sectors such as construction, chemicals, food, and manufacturing.
Transparent
We are honest and transparent, take responsibility, and always prioritize your interests. This is how we build strong human relationships.
Personal
You don't work with an anonymous agency, but with people who get to know your company. We take the time to listen to you and prefer direct communication.
Flexible
We guide your company through the green transition from start to finish. We step in for a single challenge. Or you can engage us as an external sustainability expert.


Not our words
“The team always considers both short-term and long-term perspectives. Pragmatic, efficient, and technically very strong. Their experience has often made the difference for us, both in strategy and in the field.”
Marc Croonen
Chief HR, Sustainability & Communication at Vandemoortele
“Why Mantis? An accessible approach and high level of expertise. They successfully translate complex regulations into something workable for our organization.”
Jan Laroy
Managing Partner at Urbastyle