ANTEFIXE is an Architectural Association firm based in Parisian area, France.


It was founded in 2009 by architects Claude Rossi and Claudio Vivenzio in partnership.


Claude Rossi, he graduated as an engineer from the École Nationale Supérieure des Arts et Métiers and is a D.P.L.G. architect in France. He was a plant manager and later the head of structures at the OCIL group, a leading company in employer-supported housing in the 1970s. Within the SAHU company, he founded an architecture agency that he managed in parallel in the 1980s. At the end of his career, he partnered with Claudio Vivenzio in 2009 as a managing architect, to whom he had time to pass on his immense cultural knowledge in the field of construction and project management. Practically retired from professional activity around 2015, unfortunately, he passed away in 2019.

Claudio Vivenzio, Claudio, an architect graduated from the University of Genoa, Italy, with a specialization in Naval Architecture, began his professional career by designing villas, offices, and commercial renovations in Europe, collaborating with various architects. After moving to Paris, he excelled thanks to a very intensive collaboration with major firms specializing in construction project management in the luxury sector, refining his expertise in interior and functional spaces, including high-level offices, jewelry stores, and more. This experience further enriched his knowledge and skills in general installations, security systems, and high safety standards. His diverse background, open-mindedness, and practical experience have contributed to his comprehensive understanding of architectural project management and a strong foundation in delivering exceptional results in various design and construction projects, now spread across the globe.

From the beginning of his career, Claudio has had an international outlook and aspires to create an exceptional niche service, but with global distribution in the world's leading luxury sites. Today, his companies are present in Pajavascript:void(0)ris, Dubai, Saudi Arabia, and New York.


Rossi and Vivenzio work in partnership, implementing their years of experience and skills, for the most important Internationals brands taking maximum advantage of retail design, building renovations and revaluation

Our trades

Architecture & Engineering

Our team of Architects and Engineers will be in charge of the architectural parts of your project. They shall adapt to your original and unique planning concept, always taking into account your organizational and budgetary guidelines while respecting the applicable regulations and technical constraints. By integrating your codes and your values, they will create a space that will enhance the image of your brand.


Project Manager

The project manager will be your privileged interlocutor throughout the mission. He will escort you through all the stages of your project, from the definition of your needs, up to the delivery of the keys. He will be your personal point of contact and shall ensure that a regular work in progress reporting of your project is being done. Executing your project and ensuring its compliance with our commitments are his main objectives.


Works Supervisor

Our technical operational team which is constituted of Architects and Engineers shall conduct your entire project execution phase and oversee its application. They coordinate various specialist engineering contractors while supervising the works and make sure that your concept is respected. Quality of services and planning, budget as well as the administrative follow-up will be guaranteed at all times. The works supervisor will have a complete and comprehensive overall view of your project.


A multidisciplinary and international tailor-made team.