About Us

We help the Built environment Ecosystem partners by providing them cutting edge digital tools to solve their problems while accelerating the adoption of sustainable solutions for performance improvement. Our technology is based on following underlying principles:

  • High Performance Digital Twins (Simulation, Modelling, Machine Learning)  

  • Engaging the Building Sectors Stakeholders via  Digital Platform tech

  • Promoting Energy Efficiency, Sustainability and Carbon Emissions reduction to manage the climate crisis

Qi Square Pte Ltd is a spin-off company from the Nanyang Technological University (NTU) , Singapore. It brings in decades of research, experience and knowledge on green building technologies and tools. We have access to a strong team of Green Building Professionals: Scientists, Technocrats, Experts and Practitioners (Certified Energy Managers, GreenMark Managers and Auditors).

We take pride in customer engagement and innovation with tools such as an online platform for customer interface and performance analysis along with an innovative data analytics tool using machine learning and scientific virtual simulation models.

Our Core Team

Mr. Nilesh Jadhav
co-Founder & CEO


M.Tech., MBA

Singapore Certified Energy Manager (SCEM)

Mr. Nilesh Jadhav is an energy technopreneur and industry influencer. He worked at the Energy Research Institute at NTU where he headed the EcoCampus RD&D initiative and also the Sustainable Building Technologies research program. He was the project lead for developing Singapore’s first Technology Roadmap in the area of Energy Efficient Building Technologies with the Building Construction Authority (BCA) of Singapore. 


He has served as a Board member of Singapore Green Building Council (SGBC), management council member of the Sustainable Energy Association of Singapore (SEAS) and a member of the Energy National Standards Committee (ENSC) at SPRING Singapore. He has written a book titled ‘Green & Smart Buildings: Advanced Technology Options’ and authored several conference & research papers.

Mr. Rupesh Umtol

co-Founder & COO



Engineering Consultant, India

Mr. Rupesh Umtol is a qualified Mechanical Engineer with 20 years experience & demonstrated history of working in MEPF Building Designs, Green buildings, Energy Efficient systems. He has been running an independent engineering (M&E) consultancy firm working on several projects involving design and construction of commercial and industrial buildings in India. Also has good experience in commissioning and retrofitting services.


Being a MEPF Consultant & Sustainability Specialist for more than a decade, He has been whole heartedly committed to Sustainability & Climate Responsive Designs. Have considerable expertise in developing High Performance Design strategies both for New-Building & Retrofit projects.

Mr. Girish R Visvanathan

Head- Technical/R&D


B.Eng., M.S

Green Building Engineer and trainer

Girish is a seasoned sustainability professional. In his decade long experience, he has lead award winning green projects across sectors, working with new and operational manufacturing industries, FDIs, retail chains, healthcare, hospitality, governments, institutions, etc. He is adept at design of state-of-art green buildings, one of which caught the attention of and received recognition from Mr. Bill Gates.


As an instrumentation engineer, Girish also follows the automation and innovation space closely. He has worked on multiple mathematical and simulation models to provide solutions for IAQ and thermal comfort maintenance whilst saving significant energy. As an IESVE authorized trainier, member of standards drafting committee at IGBC and a sought-after lecturer at premier institutions, Girish helps bridge the academia-industry gap.

Our Customers & Partners


Proud to be recognized as: