Know more about us

Learn More
Who are we

We are an environmental engineering consultancy company located in Prague. ECOTEN was founded in 2012 and started as a startup of two people which grew since then. Today, our company counts with more than 20 qualified thermal, civil and urban engineers working to achieve the same vision. 

Our mission is to help clients and guide them in order to achieve a greater commitment towards sustainable development while improving the quality of life in rapidly growing cities around the globe.

What we do

We help our clients make effective decisions and to guide them in the development of comfortable and energy effective cities. All of this through the use of our innovative services and tools.

Breathable cities

Modern & Contemporary

Liveable cities

Lavish & Functional

Sustainable cities

Spacious & Stylish

Want to view the rest of our work ?

Our projects

Why you need our solutions right away ?


Our precise and technical experience will provide you a complete set of actions to be implemented for strategic urban planning and the management of its issues.


We always provide our clients expertise to guide them towards sustainable development and the creation of bearable cities.


Thanks to our flexible organization we can provide fast reactions and a direct involvement, getting you the personal care and attention your projects need.

contact us
Our Team
Jiří Tencar
Founder, CEO
+420 736 630 021

Jiří is the founder of the company and an associate researcher in the University Center for Energy Efficient Buildings under the CTU. He has worked for different architects and urban planning organizations as well as in several engineering firms.

Read more

He has a Ph.D in Sustainable Development and Industrial Heritage from Czech Technical University (CTU). He was also a visiting scholar at the University of Cambridge.

Clément Imbert
Head of Urban Simulation Services
+33 6 30 84 58 78

Clément created the Urban Comfort project by introducing urban climate assessments to ECOTEN. He has developed engineering tools that contribute to the simulation engine SOLENE-microclimate improvement and other services within the company such as Heat mapping.

Read more

He graduated with a Master of Science in Building Engineering & Energy Efficiency from La Rochelle University. He also studied at CTU Prague.

Sagnik Bhattacharjee
+420 776 772 802

Sagnik is the creator and developer of ECOTEN’s urban mapping and GIS-based services. His passion for the urban built environment motivated him to develop the Urban Heat Vulnerability Maps. He also conducts urban environmental studies and contributes to the urban simulation services.

Read more

He holds a MSc in City and Urban Environment from École Centrale de Nantes and a B.Eng in Civil Engineering from the Indian Institute of Engineering Science and Technology. In addition to this, Sagnik enjoys attending and participating in hackathons, climathons, conferences, forums and workshops.

Benoît Telou
Business Developer
+33 6 63 71 92 19

His experience with socially and environmentally conscious companies led him to join ECOTEN. Benoit applies his business expertise to every activity with the same vision to help cities become greener and smarter. He wants to spread innovations across borders while further developing cities resiliency to prepare them for climatic threats.

Read more

He is soon to be graduated from IESEG School of management with a Master degree in “Business and international Economics”.

Ekaterina Gerasimova
Urban Mapping Services
+7 921 967 38 68

She is a Civil Engineer student from the Peter the Great St. Petersburg Polytechnic University. Ekaterina works along with Sagnik to provide high quality results for clients. Her determination led her to be an essential part in the development of urban mapping and GIS-based services.

Read more

Ekaterina is specializing in construction of unique structures and has previous professional experience in the construction industry on control of construction works, verification of hidden works, visual inspection of structures, sampling and testing construction materials and monitoring of production of concrete works.

Maria Verduga
Business Developer
+33 7 83 48 14 96

Her passion for sustainability and her business experience, led her to join the team of ECOTEN. She wants to make a change and help mitigate the effects of climate crisis. Maria helps the company with administrative and marketing activities in order to promote our services and provide the best experience to our clients.

Read more

Maria is pursuing a double degree with a MSc in Sustainable Management and Eco-innovation from Rennes School of Business and a Bachelor in Marketing and Communications from ITESM. She has previous professional experience in market research analysis and sales.

One of the best urban planning firms in the country. Truly marvelous creations.

Nils Larsson
Our Process

We collaborate with clients, consultants and local stakeholders throughout the life of a project. Using our mapping and planning software we work in three dimensions from the earliest stages to communicate our ideas/concepts, test our designs, improve co-ordination and minimise errors.


At the beginning we meet, discuss the idea and plan the future.


After plan comes design. Thanks to our software we are able to create 3D maps for your city.


And the last, most enjoyable part is delivery. Working with us has never been easier.

Clients and Recognitions

When architecture meets engineerers, it creates a unique value. Our objective is to such value for our clients through engineering skills, through presenting a better living and built environment.

Have a project in mind ? Get in touch

Contact us