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Interior Design Studio — Est. 2013

SPACES
BUILT FORliving.

Velthaus Studio crafts interiors that are precise in execution and unmistakably personal. For clients who know what they want — and deserve a team that delivers without compromise.

Our Services
420+Projects Completed
12Years of Practice
4Design Awards
100%US Based Team
Luxury interior designed living room
Featured Project
The Caldwell Penthouse, NYC
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Our Point of View

Design should feel inevitable — like the room was always meant to exist this way.

We are not a studio that applies trends. We listen deeply, then build spaces that reflect the specific life being lived inside them. Every material chosen. Every proportion deliberate. Every light source considered.

420+
Homes Transformed
98%
Client Retention
35
States Served
12yr
In Practice
Curated interior detail
"Good design is the quiet confidence that everything in a room belongs exactly where it is."

— Helena Voss, Founder

About the Studio →
What We Do

Four Disciplines.
One Vision.

End-to-end design services for residential and high-end commercial spaces across the United States.

All Services →
01
Spatial Planning & Layout Optimization

Reimagining flow, proportion, and purpose. We make every square foot intentional.

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02
Lighting & Ambience Design

Layered light strategies that shift with time of day and the mood of the moment.

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03
Sustainable Material Consultation

Sourcing beautiful, responsibly made materials with provenance and longevity.

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04
Full Interior Transformation

Conception to completion. We manage every detail so you simply arrive to your new life.

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Selected Work

Our Portfolio

Whitmore Estate full living room redesign
Full Transformation
Whitmore Estate — Greenwich, CT
Modern kitchen renovation
Kitchen + Dining
The Mercer Loft
Serene master bedroom
Primary Suite
Sage Retreat — Marin County
Spa bathroom design
Spa Bath
Mineral Suite — Chicago
Sophisticated home office
Home Office
The Study — Boston
★★★★★

"Working with Velthaus felt like having the most confident, calm person in the room handle everything. Our home is unrecognizable — in the best possible way."

Margaret L.
Greenwich, Connecticut
★★★★★

"The 3D walkthrough before a single item was purchased was transformative. I knew exactly what I was getting. The final result exceeded even that."

David H.
Chicago, Illinois
★★★★★

"Velthaus didn't just redesign our house. They redesigned how we live in it. Two years later, we still walk in the front door and exhale."

Priya & Rohan S.
San Francisco, California
Results may vary. Testimonials reflect individual client experiences and should not be viewed as guaranteed or typical outcomes.
Your Space.
Reimagined.
This Year.

Schedule your free discovery call. No obligation — just an honest conversation about your space.