Proef is aware that we live in an increasingly complex and dynamic world. The ability to constantly adapt has become an essential skill to provide the proper solutions that answer to the future's requirements.
Our experience in Telecommunications and Energy led to the creation of transversal solutions that can be tailored to the needs of each client, regardless of the area or industry in which they operate.
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Proef Ecosystem
Proef Ecosystem

An ecosystem that goes far beyond simple connectivity.

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Life at Proef
Life at Proef

People are our most important asset and fundamental to the growth and development of the business.

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News See all
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.
Managers' Meeting '24
Telecom Power Cities Corporate
02 February 2024 The beautiful city of Aveiro welcomed Proef to our Managers' Meeting.
Proef Summer Days' 23: last day
08 September 2023 Proef Summer Days' 23: last day We challenged them, and they agreed to embark on this adventure. We are certain that this experience went far beyond a summer internship.
Proef Summer Days 2023: first day
04 August 2023 Young talents have chosen Proef as their summer destination and are embracing their first professional experience. Welcome aboard!
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.
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.
Selfnet 5G
Telecom Cities
31 March 2023 Proef is involved in the Selfnet 5G project, cofinanced by COMPETE 2020, which has set investments for developing two new services.
Pact for More and Better Jobs for Youth
24 January 2023 We signed the Pact for More and Better Jobs for Youth, promoted and coordinated by the José Neves Foundation, with the High Patronage of His Excellency the President of the Republic.
Proef member of APE
23 January 2023 Proef is a member of the Portuguese Energy Association, representing Portugal in the World Energy Council.
MMCI Multimédia SA - Announcement
21 December 2022 Proef Group has redefined the strategic positioning of its brands, Proef and MMCI Multimédia SA, according to the different business areas in which they operate.
Sustainable Plastics Project
15 December 2022 Proef in the Sustainable Plastics project aims to develop and implement telecommunication poles built with recyclable materials.
Proef and Geodesia establish a partnership for the German market
08 November 2022 Proef established a partnership with Geodesia for fibre optic network construction in Germany.
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.
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.
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.
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.
Proef and Unitel together in the improvement of the telecommunications network in Angola
Telecom Cities
31 January 2022 Unitel, an Angola telecommunications operator, relied on Proef to camouflage two telecommunications stations.
The Tension Work course - Very High Voltage at the Eurico Ferreira Academy comes to an end
Telecom Power
28 January 2022 The year 2021 ended at the Eurico Ferreira Academy with the Tension Work course – Very High Voltage – Potential Method.
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.
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.
Uprating Bouça Line – Zêzere 1
15 November 2021 The remodeling and uprating of the Bouça Line – Zêzere 1, at 150kV, was concluded, together with REN and EIP.
Infrastructure for Industry 4.0
25 October 2021 Proef responsible for creating the infrastructure necessary for the implementation of proGrow at Simoldes.
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.
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.
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.
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.
21 July 2021 Proef is working alongside EDP Renováveis in the construction of the High and Very High Voltage lines of the Sincelo Wind Farm.
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.
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.
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.
A new project of overhead power lines in Sines
09 June 2021 Proef, in partnership with Geometric Talks, is involved in the engineering project for the 30kV and 400kV overhead power lines of the Morgavel Wind Farm, in Sines.
Proef is involved in Galp's first solar project in Portugal
20 May 2021 Galp starts the construction of its first large-scale photovoltaic solar energy project in Portugal, in the Municipality of Alcoutim. Proef's mission is to build a very high voltage (150kV) line.
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.
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