QUARTZO – DEFENSE ENGINEERING, INDUSTRY AND TRADE Ltd. is a company specialized in technical services and commercialization by representation of high added value and innovative products for the security and defense market, including the military and paramilitary forces of Brazil and abroad.
Our services are performed through detailed planning and experienced technical staff guidance. We have a specialized and multidisciplinary team, proven and approved by VIP clients and renowned companies.
Our technicians accumulate long experience in the military and paramilitary market and are able to act with professionalism, speed and competence, carrying out consultancy, planning and monitoring of technical projects as well as studies of applicability and acquisition of defense products.


Our office is in the city of São Pedro da Aldeia, located in the Lakes Region of the State of Rio de Janeiro, two hours distant from the city of Rio de Janeiro. Our area of ​​activity involves the defense and public security markets, at federal, state and county levels. We operate throughout Brazil. Through consultation and availability, we may expand our activities to Latin America and Africa.


Know our code of ethics and
professional conduct:


Acting with operational excellence.

Ensure the satisfaction of all our customers.

Have competent, committed, inspired and high performance and efficiency employees.

provide products and services of superior quality and excellent cost-benefit ratio.

Expand and strengthen partnerships with leading and innovative brands.

Maintain sustained and profitable growth..

Achieve local leadership through quality, innovation and the use of state-of-the-art technology.

Acting with agility throughout the national territory.


To provide customized, efficient and effective solutions for our customers’ security and defense needs, representing the most capable and innovative, national and international, manufacturers, respecting the current legislation, maintaining a permanent focus on operational safety and applying the highest sustained quality standards.


To be recognized by our clients and suppliers as a competent, efficient and effective company, reference in the segment of products and services of security and defense.


Honesty in the relationship with our customers, partners and suppliers; Commitment of our directors and employees to the ethical values and quality standards adopted by the company; Competence, confidence, security and credibility in all our actions and attitudes; and Respect for the economy of resources and the preservation of the environment.