Build. Trust.
Evolve. Realise.

Trust us with your next project.

Who we are

With experience in housing construction and building refurbishment, we stand out in the south of the country for our reference works and customized solutions, combining technical knowledge with a collaborative approach.

Our mission

We believe that construction is based on people, trust and commitment. This is the foundation of our daily work. We strive to deliver quality in every detail and create lasting relationships with clients, partners and employees.

J.A Duarte & Filho

Solid experience in construction and engineering

J.A Duarte & Filho is a construction company in the Algarve with decades of experience and a diverse portfolio of excellent projects. With a personalized approach, we integrate technical engineering solutions and careful execution at every stage of the work.

From infrastructures to luxury villas, we ensure the highest quality standards in construction in Portugal.

Projects

At J.A Duarte & Filho, each project is carried out with detail and responsibility. Our reputation as one of the best construction companies in the region is based on the trust of our clients and the professionalism of our team.

Villa
Reserva da Luz and Salema

Villa
Salicos

BMW
Facilities

Buildings

Construction of houses and residential and commercial buildings. This area focuses on delivering construction solutions tailored to clients' needs, with a focus on quality, safety and durability.

Civil infrastructures

Carrying out public and private works of greater technical complexity, such as drainage systems, technical networks, paving and landscaping. Essential for ensuring the functionality and safety of spaces.

Rehabilitation and Refurbishment

Interventions in existing buildings to improve their structure, functionality and aesthetics. This includes the rehabilitation of old buildings, structural reinforcement and interior and exterior remodeling, always respecting the original character of the constructions.

Building with Responsibility
and Accuracy

At J.A Duarte & Filho, every job is designed with a strict balance between quality of execution, safety on site and sustainable practices wherever possible. Safety is a transversal priority – we protect our employees, but also anyone who visits or comes into contact with the work.

When it comes to sustainability, we work closely with architects, aware that decisions on materials and ecological solutions vary depending on the approach of each professional. Even so, we are always available to collaborate, adapt and propose technical alternatives that improve the environmental performance of construction, without compromising quality.

Construction Services

Our specialisation includes housing construction, refurbishment, rehabilitation and building construction. With solutions tailored to the needs of each client, our approach is highly integrative - we combine engineering, architecture and construction management.

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Technical Infrastructures and Networks

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Housing construction

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Building Rehabilitation and Structural Reinforcement

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Waterproofing and Drainage

05

Earthmoving and Land Preparation

06

Installation of air conditioning systems

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Demolition with Safety and Planning

We grow consistently, building confidence in each project, year after year.

Our figures reflect the achievements of a solid team with proven experience and total dedication to quality construction.

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Employees

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Completed projects in the Algarve

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Years of experience in construction

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Distinctions

We build with accuracy,
we live to create value.

Meet our team

At J.A Duarte & Filho, we believe that it is people who build great projects. Our team is made up of experienced and dedicated professionals who are committed to quality, rigor and a good working environment – both on and off site.

Civil Construction Blog

Inspiration and Knowledge in Construction

Here you will find content designed for clients, partners and enthusiasts in the area, focusing on topics such as property rehabilitation, housing construction, infrastructure innovation and sustainability.

Energy efficiency in construction: what has changed with the new European standards?

Energy efficiency in construction has become one of the sector’s key pillars in Europe. With the development of European directives – in particular the revision of the EPBD (Energy Performance of Buildings Directive) – buildings are now viewed not merely as physical structures, but as integrated energy systems. 

Nelson Duarte: the history behind J.A. Duarte & Filho

Behind every solid company there is almost always a story of hard work, persistence and vision. At J.A. Duarte & Filho, that story begins with Nelson Duarte – founder, manager and constant presence on site, whose connection to civil construction began long before the company was created.