The General Contractor in Geneva that builds your everyday life
GENEVA SINCE 1981
Class Orga was born as an interior architecture studio. For over 40 years, we have designed living and working spaces starting from use: how you move through them, how you store, how you light, how you live. This expertise naturally turned us into a general contractor in Geneva, able to build and renovate with a perspective others don’t have. Our Inside-Out approach is the proof: we design your projects from the inside out, because that is the order in which the right technical decisions get made.
45+ YEARS OF EXPERTISE
Inside-Out
Construction & Renovation
First, we understand how you live in your spaces
Before drawing anything, we analyse your actual uses: circulation flows, storage needs, quiet and collaborative zones, natural light, acoustic and thermal insulation. Every technical decision that follows stems from this analysis.
Then, we build and renovate according to use
As a general contractor, we master structural work, structure, masonry, all-trades works. But every technical choice is guided by the final fit-out: the placement of a partition, the routing of a duct, the height of a suspended ceiling are decided with what will go inside in mind, not the other way round.
Finally, we deliver a space ready to live in
From foundation to final finish, your project integrates every fit-out element from the design stage. No rework, no last-minute adaptation, no “we’ll see later”. You receive a complete, functional space in line with what was agreed together.
Office
fit-out
With over 40 years of experience designing professional spaces, we create work environments that reflect your company’s image and adapt to how you operate. Open spaces, meeting rooms, focus zones, collaborative spaces, ergonomic furniture: every square metre is designed so your teams work better, and your clients feel it the moment they walk in.
Interior design
and architecture
Our interior architects master the art of transforming the existing. Smooth circulation, optimised volumes, staged lighting: we sculpt the atmosphere of your interior without modifying its structure when unnecessary, and rethinking it when it is.
Every intervention is a bespoke creation. Integrated furniture, invisible storage solutions, premium materials, chromatic harmonies: we compose interiors where functionality and aesthetics reinforce each other.
Your lifestyle becomes our specifications.
We translate your tastes, habits and daily life into precise technical choices. That is the Inside-Out approach applied to interior design.
And if you came
HAVE A COFFEE?
Come and discuss your furnishing project with our interior designers
All-trades
works
Technical complexity is our job
At Class Orga, we coordinate all your all-trades works starting with a precise assessment of each intervention. Our centralised management synchronises masonry, electrical, plumbing, heating, plastering, painting, floors, ceilings, waterproofing, joinery, lighting, automation and IT networks in a single schedule. Thirteen technical specialities, one single responsibility, zero interface conflicts.
ENERGY
OPTIMISATION
Ensure the energy compliance of your building before 2030 with Class Orga: CECB – CECB+
At Class Orga we orchestrate your entire energy compliance project starting with a Cantonal Building Energy Certificate (CECB / CECB+) assessment report.
Our 100% integrated approach simplifies every step of the process, from the energy analysis of your building to the delivery of renovation works and obtaining grants.
Interior architecture
our DNA
This design requirement is carried by a studio that has practised interior architecture for more than four decades. From office furniture to full-site coordination, our journey is that of interior architects who became a general contractor, without ever losing the designer’s eye. It is this dual expertise that makes the Inside-Out approach possible.
What our clients say
A professional team and a very well executed project, we are very satisfied with the result.
Avis google
Great taste in furniture selection! The office layout is much more ergonomic and aesthetically pleasing than before. I recommend without hesitation.
Avis google
We called on Class Orga for the professional fitting out of 500m2 of office space: a serious service, attentive and with good advice. Great availability, impeccable work and on-time delivery. We highly recommend it.
Avis google
We used the services of Class Orga Bureau SA to refurbish our new office.
They helped us choose materials and manage the work. Everything was handled on time to our complete satisfaction. Thank you!
Avis google