Radar › Companies › Telecom · Sao Paulo
Radar · Telecom in Sao Paulo

Best Telecom Companies in Sao Paulo, Brazil

The 35 best Telecom companies in Sao Paulo, Brazil in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: V.tal.

35companies tracked
$655.7Mdisclosed funding
0unicorns
6have raised
FLIAR INTELLIGENCE · TELECOM × SAO PAULO

Our analysis of 100 Telecom companies

$83.4b in tracked funding; 91% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.

100companies analysed
91%cloud-native stacks
2025funding peak (by rounds)
4unicorns
2013median founding year

Ranked: Best Telecom companies in Sao Paulo

#CompanyDisclosed fundingLast roundStageFounderFoundedTech stackRecent signals
1V.tal
Provider of fiber optics networking services
$468M46 mo agoSeries D—2021WordPressApple iCloud MailMySQL+26—
2Phoenix Tower
Supplier of textile machinery and industrial equipment
$181M80 mo agoAcquiredMauricio Giusti
CEO
2013——
3Beegol
Provider of internet services
$4M53 mo agoSeries ACharles Hong
Co-Founder - Chief Strategy Officer
2019Amazon Web ServicesGoogle Font APIhCaptcha+7—
4OBVIOUS
Provider of fiber optic internet services for residential and commercial customers
$2M31 mo agoFunding RaisedGonzalo Castro
Co-Founder & CEO
2021BootstrapAmazon Web Servicescore-js+12—
5Skysites
Provides telecom antenna installation services
—169 mo agoAcquiredRoberto Nishikawa
Co-Founder & President & Chairman
2010——
6Alfem Plastic
Offers specialized components and accessories for telecommunications network infrastructure, catering to both…
——UnfundedAntonio Costa
Founder
2000——
7Alloha Fibra
Provider of fiber optic internet services
——Funding RaisedAlexandre Parczew
CEO
2018WordPressMySQLPHP+21—
8Arqueiro Telecom
Shared back haul product to all operators in Brazil
——UnfundedAlex Sepehri-Nik
Founder & President
2015——

Top 5 Telecom companies in Sao Paulo

#1
Series D · Sao Paulo, State of Sao Paulo · founded 2021 · 1454 employees
$468.2Mraised
▾

Provider of fiber optics networking services

Funding rounds
  • Nov 2022Series D$468.2M
Investors
CPP Investments, HS Investimentos
Tech stack
Apple Icloud MailCdnjsCloudflareComplianzCookie ScriptCore-Js
#2
Funding Raised · Sao Paulo, State of Sao Paulo · founded 2021 · 40 employees
$2Mraised
▾

Obvious Fibra is a company that provides fiber optic internet services. They offer fast, stable, and high-quality internet connections.

Funding rounds
  • Feb 2024Venture Debt$2M
Founders & team
Gonzalo CastroCo-Founder & CEO
Investors
Namari Capital, Ecoa Capital
#3
Acquired · Sao Paulo, Brazil · founded 2013
$181.3Mraised
▾

Supplier of textile machinery and industrial equipment. This company provides a wide array of textile machinery, including dyeing, warping, and finishing equipment, as well as material handling solutions such as pallet trucks and forklifts. Beyond textiles, they offer industrial equipment encompassing boilers, water treatment plants, and various other machinery for diverse industrial applications. The company also supplies textile chemicals and related spare parts.

Funding rounds
  • Feb 2020Conventional Debt$110.4M
  • Feb 2018Conventional Debt$45.8M
  • Aug 2016Conventional Debt$25.1M
Founders & team
Mauricio GiustiCEO
Investors
IFC
#4
Series A · Sao Paulo, State of Sao Paulo · founded 2019 · 60 employees
$4.2Mraised
▾

Provider of internet services

LinkedIn Pulse recent public activity · Jul 2026
Audience: 15k LinkedIn followers — 10.4% of this cohort's audience
Hiring: 2 hiring posts in 12 mo (public) · momentum +2 · hiring: Cientista de Dados Pleno, Engenheiro de Backend Sênior
Funding rounds
  • Apr 2022Series A$4.2M
Founders & team
Charles HongCo-Founder - Chief Strategy OfficerIcaro DouradoCo-Founder
Investors
Indicator Capital, Bertha Capital
Tech stack
Amazon CloudfrontAmazon SesAmazon Web ServicesGoogle AnalyticsGoogle Font ApiGoogle Workspace
#5
Acquired · Sao Paulo, State of Sao Paulo · founded 2010 · 15 employees
—raised
▾

Provides telecom antenna installation services

Funding rounds
  • Aug 2012Angel—
Founders & team
Roberto NishikawaCo-Founder & President & Chairman

Funding & investor landscape

$655.7Mtotal disclosed funding
4companies funded
6disclosed rounds
0rounds last 90 days
Most active investors
HS Investimentos2 rounds
Aimores Investimentos1 rounds
Astella1 rounds
Bertha Capital1 rounds
Bossa Invest1 rounds
CPP Investments1 rounds
Canary1 rounds
Devonport Ventures1 rounds
EB Capital1 rounds
Ecoa Capital1 rounds

Notable founders

Gonzalo Castro
Co-Founder & CEO · OBVIOUS
Mauricio Giusti
CEO · Phoenix Tower
Charles Hong
Co-Founder - Chief Strategy Officer · Beegol
Icaro Dourado
Co-Founder · Beegol
Roberto Nishikawa
Co-Founder & President & Chairman · Skysites
RESEARCH SIGNALS · Brazil

How research on 5G / 6G Networks is moving in Brazil

A read on the academic research around 5G / 6G Networks — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 437 Brazil-affiliated papers.

research sentiment over time
201420202025
enthusiastic · positive · guarded tone
Tone is overwhelmingly optimistic and intensifying — the enthusiastic (strongly-positive) share moved 24% → 45% across 2014–2025.
top research entities
  • Universidade Federal do Ceará75
  • Universidade Tecnológica Federal do Paraná42
  • Universidade Federal de Santa Catarina40
  • Universidade Estadual de Campinas40
  • National Institute of Telecommunications38
leading researchers
Rodrigo C. de Lamare · André L. F. de Almeida · Richard Demo Souza · Yuri C. B. Silva · Vítor H. Nascimento · Gábor Fodor · Onel L. Alcaraz López · Joaquim Miguel Maia
▲ Breakthroughs140 · 32%
▲ 28%→34% share
▲1.2× share momentum2 median citations49% since 2021mostly methods-led
Breakthroughs are rising (28%→34% of field), led by Beamforming.
rising sub-themes (early→recent)
  • Beamforming23→37
  • Wireless1→7
  • Covariance matrix1→6
  • MIMO11→16
  • Electronic engineering3→8
Newly emergingBandwidth (computing) 0→6 · Wireless power transfer 0→6 · Telecommunications 0→5
Landmark Robust Adaptive Beamforming Using a Low-Complexity Shrinkage-Based Mismatch Estimation Algorithm · 87 cites
◆ Advancements260 · 59%
▲ 58%→59% share
▲1.0× share momentum2 median citations43% since 2021mostly methods-led
Advancements are rising (58%→59% of field), led by Beamforming.
rising sub-themes (early→recent)
  • Beamforming33→65
  • Telecommunications2→15
  • MIMO20→32
  • Wireless1→9
  • Electronic engineering7→15
Newly emergingOverhead (engineering) 0→5
Landmark Massive Wireless Energy Transfer: Enabling Sustainable IoT Toward 6G Era · 216 cites
▼ Concerns24 · 5%
▼ 10%→3% share
▼0.3× share momentum2 median citations21% since 2021mostly empirical
Concerns are cooling (10%→3% of field), led by Beamforming.
rising sub-themes (early→recent)
  • Beamforming12
  • MIMO8
  • Base station4
  • Antenna (radio)4
  • Telecommunications3
Landmark Massive MIMO: survey and future research topics · 187 cites
RESEARCH HOTSPOTS · Brazil

Where 5g 6g is researched across Brazil

Location clusters by institution affiliation — each city's volume, stance tone, and a quick read on its hot topic, what's advancing, the opening opportunity, and the main concern.

Rio de Janeiro48 · +0.64
Hot · PrecodingAdvancing · Covariance matrixOpportunity · Ultrasonic sensor
Curitiba48 · +0.56
Hot · Efficient energy useAdvancing · Ultrasonic testingOpportunity · Phased array
Campinas41 · +0.63
Hot · Field-programmable gate arrayAdvancing · BeamformingOpportunity · Radial basis function
Florianópolis41 · +0.70
Hot · Wireless power transferAdvancing · WirelessOpportunity · Channel (broadcasting)
Brasília40 · +0.68
Hot · BeamformingAdvancing · Mathematical optimizationOpportunity · Software deployment
São Paulo28 · +0.59
Hot · Covariance matrixAdvancing · AlgorithmOpportunity · Noise (video)
Recife21 · +0.60
Hot · WidebandAdvancing · Discrete Fourier transform (general)Opportunity · Smart antenna
Porto Alegre6 · +0.50
Hot · Telecommunications link

Common questions

How many Telecom companies are there in Sao Paulo, Brazil?
Radar tracks 35 indexable Telecom companies headquartered in Sao Paulo, Brazil that meet our profile-completeness bar.
What is the total funding raised by Telecom companies in Sao Paulo, Brazil?
The Telecom companies in Sao Paulo, Brazil on this list have raised a combined $655.7M in disclosed equity funding across 4 funded companies.
Which is the highest-funded Telecom company in Sao Paulo, Brazil?
V.tal is the highest-funded Telecom company in Sao Paulo, Brazil, with $468.2M in disclosed equity funding.
How many Telecom companies in Sao Paulo, Brazil are funded?
4 of the 35 Telecom companies in Sao Paulo, Brazil on this list have disclosed at least one equity funding round.
How many Telecom unicorns are there in Sao Paulo, Brazil?
None of the Telecom companies in Sao Paulo, Brazil on this list currently has a disclosed valuation of $1B or more.
Who are the top investors in Sao Paulo, Brazil Telecom companies?
The most active investors in Sao Paulo, Brazil Telecom companies on this list include HS Investimentos, Aimores Investimentos, Astella, Bertha Capital, Bossa Invest.
Rohit KhannaTrends & Stories

Rohit lives in the feed. He covers what's moving right now — the funding rounds, launches and shifts breaking across the trade press — and ties them back to where the sector is heading.

Coming soon