Margem Subtil

Partners in architectural excellence

We collaborate with leading firms who share our commitment to quality, integrity, and enduring design. Together, we deliver projects defined by craftsmanship and vision.

Philosophy

Heritage reimagined with quiet precision

We honor Lisbon’s legacy through refined design, balancing tradition, materiality, and lasting value.

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image of commercial project (for a general contractor)

Craft & detail

Each detail is considered—material, light, and context in harmony.

image of office building exterior (for a mobility and transportation)

Restorative design

Heritage reimagined for today

A select offering of residences where classic facades meet modern interiors. Every element is considered, crafted, and built to last.

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[background image] retail setting (for a tech gadgets store)

Sustainable craft

Light-filled, lasting architecture

Stone, oak, and glass shape calm, luminous interiors. Efficiency and thoughtful detail ensure enduring comfort.

Details

Expert collaboration

Vision and craft, united

Architects, engineers, and artisans work together to honor Lisbon’s legacy—delivering homes defined by care and precision.

Team

Enduring spaces. Lisbon’s next chapter.

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“We create spaces that endure. Every element is chosen for permanence, every detail for integrity. Our work respects Lisbon’s past and quietly shapes its future.”

Alex Duarte

Property Developer