Top Telecommunication Services Companies

A high-performing Telecommunication Services solution can accelerate growth, boost customer engagement, and create new revenue streams—but only if it's built by a team you trust. Edverise makes it easy to connect with leading Telecommunication Services companies around the globe. Every profile sets out services, pricing, locations, and past work so you can compare on evidence. Use Edverise's filters to sort partners by budget, industry expertise, and location. Start comparing profiles to find the right match for your project.

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We evaluate companies on verified profile data — services, pricing, locations, and portfolio. Client reviews are being collected. We may earn a fee for some placements. How we rank and verify

44 Companies

List of the Best Telecommunication Services Agencies

Greet Solutions LtdProfile set up by Edverise AI
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Greet Solutions Ltd – Premier Provider of Telecom and Call Centre Solutions in the UK Previously known as PAC Voice & Data, Greet Solutions Ltd is a reliable source for business telecom services and call centre technology throughout the UK. Since 2010, we have focused on providing scalable, cost-e
Highlights
2-9
Employees
Colchester, England, Gb
Services Provided
50% Customer Support Outsourcing
36% Telecommunication Services
14% Cloud Services
AI Summary
“Greet Solutions Ltd provides scalable, cost-effective telecom and call centre technologies across the UK, including VoIP, cloud telephony, UCaaS, and CCaaS to enhance business communication and customer service.”
KautelCo Private LimitedProfile set up by Edverise AI
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KautelCo stands out as a top provider of wholesale VoIP services. Our advanced network infrastructure enables us to deliver outstanding VoIP services to both commercial and residential customers. For more details about our offerings, please visit our website: https://kautel.co/
Highlights
$5,000+
Min Project Size
10-49
Employees
New Delhi, Delhi, In
Services Provided
70% IT Infrastructure & Hosting Services
30% Telecommunication Services
AI Summary
“KautelCo Private Limited offers advanced wholesale VoIP and call center solutions, including inbound answering, telemarketing, and customer surveys, leveraging strong infrastructure primarily in India.”
Zoiko TelecomProfile set up by Edverise AI
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Dependable communication services are crucial for contemporary connectivity, and Zoiko Telecom addresses this demand by providing broadband and telephone solutions for both residences and businesses. With adaptable plans, competitive rates, and consistent network performance, the company prioritizes
Highlights
10-49
Employees
Services Provided
70% Telecommunications Services
30% Telecommunication Services
AI Summary
“Zoiko Telecom delivers reliable broadband and telephone services across the UK, offering flexible plans and consistent network performance to support seamless communication for homes and businesses.”
P
Phonologies (India) Private LimitedProfile set up by Edverise AI
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We create platforms and applications for speech and telephony. Our range of products features speech and telephony technologies that can be utilized by call centers, information centers, telecommunications companies, internet service providers, and enterprises to deliver various speech and telephony
Highlights
10-49
Employees
Navi Mumbai, Maharashtra, In
Services Provided
34% Mobile App Development (iOS & Android)
33% Audio Production
33% Telecommunication Services
AI Summary
“Phonologies (India) Private Limited develops advanced speech and telephony platforms and applications, enabling call centers, ISPs, and enterprises to enhance customer communication and service.”
CÔNG TY CỔ PHẦN TẬP ĐOÀN DIGINEXTProfile set up by Edverise AI
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DIGINEXT là một nhà cung cấp giải pháp tổng đài thông minh 4.0 kết hợp với CRM hàng đầu tại Việt Nam. DIGINEXT cung cấp nhiều sản phẩm và dịch vụ liên quan đến hệ thống điện thoại di động. Website: https://www.diginext.com.vn/ Điện thoại: 1900 5055, 024 5555 1111.
Highlights
50-249
Employees
Me Tri Ward, Nam Tu Liem District, Vn
Services Provided
50% CRM Consulting and SI
33% Telecommunication Services
17% Software Development Services
AI Summary
“DIGINEXT is a leading Vietnamese provider of intelligent 4.0 call center solutions integrated with CRM, specializing in comprehensive mobile telephony products and services.”
ZadarmaProfile set up by Edverise AI
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Zadarma is recognized as a prominent global player in VoIP telecommunications, serving over 2 million active users in 160 countries. With five data centers worldwide, Zadarma provides dependable cloud backup solutions. The setup of their advanced cloud VoIP phone system takes just five minutes. User
Highlights
50-249
Employees
Burgas, Bg
Services Provided
50% CRM Consulting and SI
22% IT Infrastructure & Hosting Services
28% Telecommunication Services
AI Summary
“Zadarma is a global VoIP leader offering fast cloud phone setups, extensive call management, reliable backup, CRM integrations, and free Teamsale CRM for efficient business communication.”
UltracommsProfile set up by Edverise AI
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As the pioneer of cloud contact center services in Europe and a provider of PCI DSS level 1 certified cloud and on-site solutions, Ultracomms has been offering inbound, outbound, and blended services for over ten years. Our collaborative approach to development and support allows us to create custom
Highlights
$1,000+
Min Project Size
<25
Avg Hourly Rate
10-49
Employees
Portchester, England, Gb
Services Provided
50% Customer Support Outsourcing
26% Cloud Services
24% Telecommunication Services
AI Summary
“Ultracomms pioneers cloud contact center solutions in Europe, offering adaptable, PCI DSS level 1 certified services with omni-channel integration and customer-focused innovation for enhanced productivity.”
RFoptic- Optical RF SolutionsProfile set up by Edverise AI
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RFOptic is a prominent supplier of RF over Fiber (RFoF) and Optical Delay Line (ODL) technologies. We cater to a diverse array of sectors, including satellite communications, GPS, broadcasting, mobile and telecommunications, in addition to defense and aviation. For inquiries, contact us at +1 732 54
Highlights
10-49
Employees
Services Provided
50% Wholesale Services
30% Telecommunication Services
20% Broadcasting Services
AI Summary
“RFoptic specializes in providing RF over Fiber and Optical Delay Line technologies across satellite communications, GPS, broadcasting, telecommunications, defense, and aviation sectors globally.”
Vista ConnectsProfile set up by Edverise AI
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At VistaConnects, we take pride in being authorized resellers of top-tier services from DirecTV, Optimum, Viasat, Frontier, Kinetic by Windstream, and EarthLink. We offer high-quality Internet, TV, and phone solutions to residences and businesses throughout the United States. Our goal is to ensure y
Highlights
10-49
Employees
Chicago, Illinois, Us
Services Provided
59% Telecommunications Services
25% Telecommunication Services
16% TV Installation Services
AI Summary
“VistaConnects offers customized, high-quality Internet, TV, and phone services across the U.S. as authorized resellers of leading providers, ensuring reliable connectivity and customer support.”
Phone System GlobalProfile set up by Edverise AI
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Phone System Global Inc. is a company that aggregates and enables telecommunications and technology services and products on a global scale. Its B2B offerings include: - Mobile Virtual Network Enabler (MVNE): Helping startups and small to medium-sized enterprises (SMEs) become white-label MVNO resel
Highlights
$1,000+
Min Project Size
50-99
Avg Hourly Rate
2-9
Employees
Springfield, Virginia, Us
Services Provided
33% Other IT Consulting and SI
33% QA & Software Testing
24% Telecommunication Services
10% Cloud Services
AI Summary
“Phone System Global Inc. enables startups and SMEs worldwide to offer white-label telecommunications, IPTV, fintech, and internet media services through advanced B2B cloud-based solutions.”

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