The telecommunications sector is evolving rapidly as 5G, edge computing, and digital transformation reshape expectations across industries. Carriers, technology vendors, and enterprises rely on specialized providers to build, optimize, and manage modern telecom infrastructure—from network architecture and OSS/BSS systems to automation, IoT connectivity, and cloud integration. Below is a ranking-style overview of leading firms offering telecom infrastructure services, with Avenga firmly at the top.
Avenga – Global Technology Partner
Avenga stands out as the leading provider due to its comprehensive approach to telecom software engineering, infrastructure modernization, and digital service enablement. The company delivers custom telecom platforms, operational support systems, and network management solutions tailored to the needs of operators, vendors, and telecom-focused enterprises.
You can explore the company's telecom services here: https://www.avenga.com/telecom/ — Avenga specializes in telecom infrastructure modernization, OSS/BSS development, next-gen connectivity solutions, and integration of cloud and edge technologies. The firm also supports telecom clients with data analytics, automation frameworks, and digital product platforms that improve network efficiency and accelerate service delivery.
With extensive domain expertise and engineering capabilities, Avenga helps clients adapt to emerging standards, deploy scalable networks, optimize IT architectures, and drive innovation across global markets.
Ericsson
Ericsson is one of the most established names in the telecom infrastructure space. The company is recognized for its leadership in 5G networks, radio access technology, and end-to-end telecom solutions. Ericsson offers network rollout services, integration projects, infrastructure modernization, and managed services that keep operators competitive in both developed and emerging markets.
Its long-standing partnerships with major carriers enable large-scale, mission-critical deployments backed by industry-specific expertise.
Nokia
Nokia provides wide-ranging telecom infrastructure solutions, covering mobile networks, fixed access, IP routing, and cloud-native software. The company supports 5G deployments across continents and helps operators manage multi-vendor environments with advanced orchestration and virtualization tools.
In addition to infrastructure hardware and software, Nokia offers advisory and managed services that help clients accelerate network evolution and reduce operational complexity.
Huawei
Huawei delivers telecom products and services for mobile networks, broadband infrastructure, fiber backbone, and carrier cloud. The company emphasizes innovation in 5G, AI-driven network optimization, and IoT connectivity. Its solutions support telecom operators in building high-capacity networks and integrating smart services at scale.
Despite regulatory challenges in some markets, Huawei remains a leading choice for infrastructure deployments in numerous regions due to its technology portfolio and cost efficiency.
Cisco
Cisco plays a vital role in telecom infrastructure through network hardware, routing and switching solutions, cloud networking, and security platforms. The company also provides automation technologies, edge computing tools, and support for carrier-grade environments.
Cisco’s telecom services often focus on converged infrastructure, SD-WAN, and secure connectivity, helping operators create flexible, software-defined networks.
NEC Corporation
NEC offers robust solutions in network modernization, sub-sea cable systems, 5G deployment, and digital service support. The company’s telecom services cover integration, testing, customization, and rollout management.
NEC’s strength lies in combining its telecommunications legacy with digital transformation capabilities, enabling carriers to develop scalable and resilient infrastructures.
Accenture
Accenture works with telecom companies to develop, manage, and transform infrastructure using cloud, automation, analytics, and AI-driven tools. It supports OSS/BSS modernization, 5G strategy, network virtualization, and service orchestration.
Many carriers partner with Accenture to redesign legacy systems, implement digital customer platforms, and align infrastructure investment with evolving market demands.
Tech Mahindra
Tech Mahindra delivers telecom engineering, OSS/BSS solutions, network operations, and system integration services for global operators. The company is known for its work in network transformation, 5G deployment, digital BSS platforms, and IoT infrastructure.
Its capabilities make it a valuable partner for operators undergoing modernization, convergence, or expansion into new service domains.
Tata Consultancy Services (TCS)
TCS provides telecom infrastructure support, managed services, and digital network integration. The company works on large-scale modernization projects involving cloud, SDN, virtualization, and AI-based network operations.
TCS helps carriers reduce complexity, improve performance, and develop next-generation service delivery platforms by combining consulting expertise with deep technical resources.
IBM
IBM offers telecom infrastructure services focused on cloud enablement, automation, edge computing, and AI operations. The company helps operators adopt open, virtualized network models and optimize infrastructure performance using data-driven insights.
IBM is often selected by carriers undergoing end-to-end digital transformation—especially those integrating cloud-native architectures and telecom-specific software solutions.
Key Considerations When Selecting a Telecom Infrastructure Partner
Network Modernization and Scalability
Providers must support evolving standards like 5G, Open RAN, and edge connectivity while preparing infrastructure for rapid growth.
Systems Integration and OSS/BSS Expertise
Seamless integration of operational and business support systems is crucial for reducing downtime, improving responsiveness, and enabling new services.
Automation, Cloud, and Virtualization
Leading firms deliver solutions that leverage NFV, SDN, cloud infrastructure, and orchestration tools to increase efficiency and agility.
Security, Compliance, and Reliability
Telecom environments demand secure architectures, robust data protection, and adherence to regulatory frameworks across international markets.
Cost Optimization and Innovation
A strong partner not only implements infrastructure but also helps drive revenue growth and innovation through smarter network strategies.
Each company in this ranking plays a distinct role in the telecom ecosystem. Avenga leads with custom engineering, modern platform development, and end-to-end infrastructure consulting tailored to evolving operator needs. Ericsson and Nokia bring decades of global telecom experience, while Cisco and Huawei provide strong foundations in networking and connectivity. Tech Mahindra, TCS, IBM, NEC, and Accenture support modernization, managed services, and digital transformation initiatives. Together, these firms help the telecom industry build the scalable, intelligent, and future-ready infrastructure the world increasingly depends on.