About Tema

Architecture and sustainability at the service of Portugal

Tema is an architecture and energy certification office based in Oeiras, Portugal, led by architect Lilian Nagato. We combine technical expertise with a sustainable vision to create spaces that respect the environment and improve quality of life.

Arquiteta Lilian Nagato

Lilian Nagato

Architect, Qualified ADENE Expert

With over 20 years of experience in sustainable architecture and energy certification, Lilian Nagato leads Tema Architecture with a passion for creating spaces that harmonise aesthetics, functionality and energy efficiency. Specialising in residential and commercial projects, she combines technical expertise with creative vision to turn ideas into reality.

Our Values

Principles that guide our work

Sustainability

Commitment to responsible environmental practices.

Quality

Excellence in every project we develop.

Innovation

Modern solutions for contemporary challenges.

Commitment

Total dedication to each client, accompanying each project from start to finish with attention to detail.

Our Philosophy

"We believe that architecture has the power to transform not only spaces, but also the way we live and relate to our environment."

At Tema, each project is an opportunity to create spaces that promote well-being, respect nature and contribute to a more sustainable future. We work side by side with our clients to transform their visions into reality, always with an attentive eye to efficiency and economy.

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