About Us

Our Mission

Established in 1996, SI Architects is an award winning architectural practice based in Madrid and involved in a wide range of international projects.

Our work embraces design and consultancy services in the fields of architecture, interior design, masterplanning and landscape architecture. We cover all project phases, from legal, technical and environmental consultancy or concept design to site works and licence procedures.

With 20 years of experience, we are confident working in projects varying in context, function and scale and have developed expertise across a range of sectors, especially in education and dwelling.

SiArchitects -architectural practice in Madrid
We design integrated settings for our clients’ dreamt experiences
SiArchitects -architectural practice in Madrid

Our Approach

We believe each project and client deserves a unique approach and engage with each commitment with fresh concerns while a pursuit of rigour and excellence. We are passionate about the positive impact of good design and closely work with our clients to develop rigorous and coherent solutions to the particular context, needs and challenges of each assignment.

Committed to the environment and the future users, we conceive all projects from an holistic concern, beginning with the study of urban contest, programmatic needs and bioclimatic aspects that will help develop energy-efficient and lively spaces.

Our Vision

Our aim is to help our clients with respectful and coherent proposals in concept, detail and construction. As designers, we strive to provide society with a respectful, efficient and smart built environment.

Our Values

EXPERIENCE. Our 20+ years of professional experience and continuous learning of our team are the key to success.

RIGOUR. Aesthetics is not opposed to constructive rigour in order to develop feasible and complete proposals.

PASSION. We engage with each commitment with fresh concerns while a pursuit of rigour and excellence.

COMMITMENT. For us, the client is the core of every project and we work closely with them to develop sustainable, rigorous and coherent solutions to the particular context, needs and challenges of each assignment.

Closeness with the client, sustainability and integral design are part of the definition of every project
SiArchitects -architectural practice in Madrid

Our Team

SiArchitects -architectural practice in Madrid
We commit to every project with the passion of our first and the experience of the last
SiArchitects -architectural practice in Madrid

As a transdisciplinary team, all professionals involved in the project work together from the first meetings with the clients to its implementation in order to develop holistic proposals responding to the specifications and particularities of each assignment. The core team works closely with a network of external collaborators to provide specific technical services in order to guarantee the best quality for the projects we are involved in.

Enhancing each member’s expertise and interests, SI Architects benefits from the synergies stablished by teamwork. Our collective experience combines the passion, experience and expertise of our senior members and the specialization, creativity and fresh procedures and knowledge of the youngest.

It is vital for us that each of us keeps updated. We encourage continuous learning and specializing, welcoming and introducing new tools such as integrated design, BIM and sustainable certification procedures in our work.

Our People

SiArchitects - architectural practice in Madrid

Estíbaliz Sanz Boulay
JUNIOR ARCHITECT

architectural practice in madrid

Julio M. Ceballos Fernández
PROJECT DESIGN MANAGER

architectural practice in madrid

María Vallejo Martín-Albo
SENIOR ARCHITECT
SiArchitects -architectural practice in Madrid
SiArchitects -architectural practice in Madrid
SiArchitects -architectural practice in Madrid

architectural practice in madrid

Alberto Sanjurjo Álvarez
PRINCIPAL AND FOUNDER

Si Architects Marta Quintas Fernández

Marta Quintas Fernández
JUNIOR ARCHITECT

SiArchitects - architectural practice in Madrid

Clara Medina García
JUNIOR ARCHITECT
SiArchitects - architectural practice in Madrid
SiArchitects - architectural practice in Madrid

Si Architects Ángeles Nuño

Ángeles Nuño Rodríguez
CHIEF ADMINISTRATIVE OFFICER

Si Architects Mario Cobos

Mario Cobos Moraga
INTERN BIM DRAFTSMAN

SiArchitects - architectural practice in Madrid

David Gutiérrez Gimeno
MEP ENGINEER

Amalia Yáñez Sánchez
INTERN DRAFTSWOMAN

si-architects- hani al hubaishi

Hani Al Hubaishi
BUSINESS DEVELOPMENT MANAGER IN MIDDLE EAST

Former Employees

José A. Castro Portalo
Esteban Jiménez Valverde
Ruth López Sánchez
Andrea Coronel Ojeda
Ángela Espino San José
Iván Ressia Cuello-Galón
Clara Martínez Conde Rubio
Eduardo de la Cuesta Diz
María Placencia Levenfeld
Miguel Burgos Jareño
David Alarcón Vilches
Laura Sáez Díez-Rabanal
Blanca Escrigas Fernández
Elisa Ortiz
Laura Calvo Bautista
Francisco Melchor Gallego
Félix Huelves de Medio

External Colaborators

GlobalTÉCNICA – MEP Engineering
ETESA – Structure Engineering
Silga – Structure Engineering
Spacecoop – Landscape
Elena Pliego de Andrés – Architect and Quantity Surveyor
Luis Perales Ojeda – Building Engineering and Quantity Surveyor
Equal Engineering – Partner in Bahrain
NJ Engineering – Partner in Bahrain
Azañedo González S.L. – Lawyers
Elisa Lara Campos – Graphic and Web Designer
Fran Mateo Architectural Visualization– 3D visualization
Omán Impresores – Printer

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