About us


SERNIS is a Portuguese technology solutions company, headquartered in Braga, which manufactures and supplies a wide range of high-quality products, services, and solutions with a focus on Road Safety.

In addition to Road Safety, SERNIS develops, manufactures and provides products and services in the areas of Full Color

Electronic Displays (pioneer in Portugal), LED Lighting and Optical Fiber.

To promote the spirit of innovation and creativity, he founded SERNIS ID, a Research & Development and Innovation company with an eclectic team that developed products in several areas ranging from Road Safety to Medicine to Nanotechnology.

The company is ISO 9001:2015 certified, SERNIS stands out for its strong spirit of innovation and creativity, as well as its high production capacity with the best raw materials, always working with a commitment of responsibility in the face of major challenges of quality and competitiveness.


Develop products and services of excellence to all our partners and customers with the best and most innovative technological solutions, distinguishing on price, quality and reliability, ensuring value creation and business sustainability.

Socially responsible company with a strong multidisciplinary team that works every day in the pursuit of greater knowledge, driven by innovative and challenging projects.


Being a leading company in the international market, pioneer in technological research and development of innovative projects of public utility and global implementation in multiple markets, aiming the continuous improvement of service quality provided, meeting the needs of the present without compromising future generations.

Quality Management

ISO 9001:2015 Certification Systems, accredited by SGS

Quality Policy

Learn more about SERNIS Quality Policy here.


The strong commitment to Research & Development and Innovation has made SERNIS one of the most awarded Portuguese companies.

The transversality of various knowledge domains, which constantly result in innovative technologies and products of global application, has already led to the awarding of several global and national awards in the areas of Social Responsibility and Innovation.

Learn more about SERNIS awards here.

Watch the video here.