Network solutions beyond simple connectivity

At Proef we develop, implement and service turnkey integrated solutions. "In the telecommunications sector, Proef covers the entire operation from network planning to installation at the end customer's home.

Mobile Network Operations

We work withall technologies: GSM, DSC, UMTS, WIFI, LTE, GSM-R, 5G

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

Fixed Nework Operations

From the heavy lifting to the more meticulous work, we cover all phases of fiber optic implementation

Camouflage Network

Camouflage solutions that reduce visual and urban impacts


Smart lighting system that transforms renewable energy into autonomous IoT services


Smartlamppost brings together three of the largest sectors in steel structures, telecommunications, energy and Smart Cities

In-Building Networks

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

IT Contracting

We support your company's growth with our specialized IT outsourcing solution

Data Center

Proef designs and implements data centre infrastructures for all industries

Network Operations Center (NOC)

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


Reinforced telecommunications antenna able to "survive" forest fires


Direct sales and distribution of telecommunications and energy products and services to the residential and business segment


We are present in the retail telecommunications channel in more than 36 stores in Portugal


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

Cadastre of infrastructures

Infrastructure cadastre for wastewater or rainwater, telecommunications, gas or electricity networks.
See all solutions

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'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.
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.
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.
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 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.
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.
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 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.
Sustainable Plastics Project
15 December 2022 Proef in the Sustainable Plastics project aims to develop and implement telecommunication poles built with recyclable materials.
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.
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.
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.