Smart and efficient solutions for buildings and business systems

We have a wide range of solutions for the Corporate sector (banks, transports, industry, hypermarkets, hospitals, amongst others) in the areas of communications, energy, security, software and IT infrastructure.

Digitization and Sensorization

Digitization and sensorization solutions for assets and resources for a more efficient management

Software Development

We use SCRUM methodology and develop web-enabled solutions to properly support your business


Industrial maintenance tool using augmented reality


Platform that allows you to analyze your indicators and improve them by using collaboration tools

Fixed Nework Engineering

Project, design and planning of the fixed network for each site

Mobile Network Engineering

Project, design and planning of the radio network for each site

Network Operations Center (NOC)

Monitor, identify, investigate, prioritize, and resolve issues that may affect the network


Smart lighting system that transforms renewable energy into autonomous IoT services

In-Building Networks

Indoor wired and wireless networks for offices, apartment blocks, factories, transportation systems or industrial facilities

Data Center

Proef designs and implements data centre infrastructures for all industries

Urban Mobility

Solutions for traffic management, smart parking, electric vehicle charging and bike-sharing

Distributed Generation

We provide energy efficiency solutions using the self-consumption model or small production units

Water Infrastructure

Smart management and treatment of water


Platform for disease collection and monitoring. Allows data sharing with medical staff and other patients

eneida DeepGrid®

Collaborative IoT platform to remotely and online optimize the condition and operation of critical network assets

Photovoltaic Farms

We provide the market with the best integrated solutions in the production of energy from renewable sources (solar, wind, hydro)

Wind Energy

We provide the market with the best integrated solutions in the production of energy from renewable sources (solar, wind, hydro)


Loqr is an end-to-end platform that integrates identity verification and digital signature


Low-code, cloud-based platform that enables the automation of management processes using AI

EV charging stations

Proef is certified by Mobi.e to design and install charging stations for electric vehicles for business
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Success Stories

Because the success of our customers is also ours.

Proef Ecosystem

An ecosystem that goes far beyond simple connectivity.

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News See all
Improvement of telecommunications infrastructures in Angola
Telecom Power Cities Corporate
16 April 2021 Proef is working with Unitel, the largest Angolan telecommunications operator, to improve its telecommunications stations' energy efficiency.
Proef-MMCI Partnership
Telecom Power Cities Corporate
16 April 2021 With confidence and optimism in the Portugal telecommunications market's future, Proef established a partnership with MMCI Multimédia.
Proef seals partnership with EnBW
Power Cities Corporate
15 April 2021 Proef and EnBW, the third largest energy supplier in Germany, took another step in their relationship through a two-year partnership agreement.
Proef's summer internship program is back!
Telecom Power Cities Corporate
21 June 2021 Proef's summer internship program is back and will feature students that want to have the first experience in the labor market.
LOQR closes financing round of €8M
23 June 2021 Our partner LOQR, a Portuguese startup of digital solutions for financial institutions, closed a series A financing round and will receive an investment worth 8 million euros.
Excellence awards - Electrotechnics technical course
Telecom Power Cities Corporate
05 July 2021 Proef rewards the best student from de electrotechnics technical course of the D. Sancho I school, for the 2nd year in a row.
Requalification NOS Data Center | Madeira
Telecom Corporate
04 August 2021 NOS Data Center in Funchal was inaugurated after a renovation that involved several specialties, including Proef.
Eurico Ferreira Academy
Power Corporate
08 September 2021 Eurico Ferreira Academy keeps surprising in 2021 and trains 313 trainees in the areas of energy and telecommunications.
3rd edition of Proef Summer Days comes to an end
23 September 2021 The 3rd edition of Proef Summer Days ended and we can certainly say that it was a real success.
Proef reinforces its commitment to training its employees
Telecom Power Cities Corporate
21 October 2021 Proef reinforces its commitment to training its employees and provides training in operation and driving of forklifts.
Infrastructure for Industry 4.0
25 October 2021 Proef responsible for creating the infrastructure necessary for the implementation of proGrow at Simoldes.
Trainee Program - Engineering
Telecom Power Cities Corporate
16 November 2021 Proef's Trainee Program is back to receive professionals in the areas of Engineering, on a professional internship.
Proef and Ubiwhere partners in a fleet management project
Cities Corporate
19 January 2022 We increasingly seek to walk the path of sustainability in cities, and it was in this sense, we worked with Ubiwhere on the Thumbeo Corporate project.
Everything you need to know about Data Centers
Telecom Power Cities Corporate
17 February 2022 A data center, also known as a data processing center, is characterized as a physical building that companies use to house information that is of great relevance to their business.
Photovoltaic Solar Panels - Business Self-consumption
Power Cities Corporate
13 April 2022 Ask for an estimate now to install photovoltaic solar panels in your company and reduce the price of your electricity bill.
Ready to take a leap?
Telecom Power Cities Corporate
14 June 2023 If you want to have your first contact with the job market, this is your opportunity.
Basic Life Support | Course
Telecom Power Cities Corporate
15 July 2022 As our premise is "Safe, always." We invite our employees to take the "Basic Life Support" course.
Proef DNA 2022
Telecom Power Cities Corporate
03 August 2022 Proef DNA is to employees who have excelled exceptionally during the year, based on three essential pillars: Ambition, Leadership, and Innovation.
Proef DNA 2023
Telecom Power Cities Corporate
16 June 2023 The Proef DNA Award is based on three essential pillars, ambition, leadership and innovation. Meet the winners.
Managers' Meeting '24
Telecom Power Cities Corporate
02 February 2024 The beautiful city of Aveiro welcomed Proef to our Managers' Meeting.
Beyond Values & Variables: Data Science & Big Data
Telecom Power Cities Corporate
04 March 2024 On 27th February, Proef and the CCG/ZGDV Institute organised an event for startups and SMEs with a focus on the digital transition.