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Norman Cinnamond, Espalmador, 1991
© Archivo Colita Fotografía

CTS arquitectes is an architecture, urban planning and design studio.

CTS arquitectes was founded in 1998 by architects Norman Cinnamond, Carlos Torrentó and Antoni Sala, giving continuity to the professional career of Norman Cinnamond (1941-2020), which began in 1971.

The studio is currently run by one of the founding partners, Antoni Sala, and two associate architects, Sabrina Calzolari and Jaume Aballí.

We have a selected network of collaborators that allow us to work in an interdisciplinary way and to carry out any type of architectural project, from small to large scale, with customised teams fully adapted to the needs of each project.


Over the years, CTS has grown professionally, remaining wholly committed to multidisciplinary, quality, energy-efficient, responsible and sustainable architecture.

It has taken on ever more complex, technical and far-reaching projects, while always remaining faithful to its original philosophy:

Harmonious and pragmatic architectural rationalism

Coherence with the main guiding idea and the project programme

Sensitivity to the location and its history

Integration of new technologies in the service of respectful and quality architecture


Responsible and sustainable architecture

CTS is increasingly committed to the development of sustainable projects, at different scales.

Of particular note is the Selvamar Business Campus complex (2023), which is considered to be the most sustainable office complex in the world, according to the LEED Sustainable Building Rating.

The building complex has LEED Platinum Certification, with 92 points, receiving the world record score in the LEED V4 category (updated version 2023) for Building Design and Construction, Core & Shell, and now tops an international list of more than 5,000 properties, meaning this project is a global benchmark in sustainability and innovation.

Pioneers in BIM

In 1993, CTS was a pioneer in the implementation of the BIM (Building Information Modelling) work methodology with the adoption of ArchiCAD software as a project development tool. BIM is a collaborative work methodology that we offer to our most demanding customers for the design, construction and management of building projects. The methodology centralises all the project information in a digital model developed and shared by all its agents.

We consider BIM to be an essential tool for ensuring efficiency and quality in the development of all phases of large-scale projects and works.


Antoni Sala

Architect / Founding Partner

Sabrina Calzolari

Associate Architect

Jaume Aballí

Associate Architect


Architects with occasional collaboration

Carlos Ferrater
GCA architects
Pau Vidal
bAR arquitectura i disseny
Ribas&Ribas arquitectos

Structural Engineers

JFG Consultors
Robert Brufau Niubó
Carles Romea

Facilities Engineering

PGI Engineering
JG Ingenieros
JSS efficient engineering
Eletresjota Tecnics Associats

Facade Engineering

ACV-Arquitectura de fachadas

Technical Architecture

TRAM J.Hierro associats
e3 Solinteg
Jordi Roma


Graph visual studio
Black Box


Rafael Vargas
Joan Mundó
Oriol Molas
Jordi Todó (Tavisa)
Hisao Suzuki
Lluís Casals
Ferran Freixa

Where we are?

CTS arquitectes has its studio on the first floor of the P99 building, in Barcelona’s 22@ district, at C/Pallars 99, in a building designed by us in 2010 and recently extended (2022).