Best 50 Call Center Companies: Scale Without Stress

The best 50 call center companies can transform how businesses scale by handling customer interactions with precision and efficiency. 

 

 

Studies show that 90% of customers consider customer service vital to their loyalty, underlining the importance of partnering with the right call center. 

 

 

Whether you’re a startup or an established enterprise, outsourcing can reduce operational costs by up to 50% without sacrificing quality. 

 

 

This list offers a curated selection of top-performing companies designed to help you grow without the stress. With over 61% of businesses outsourcing to improve flexibility and focus on core tasks, now is the time to explore your options. 

 

 

Trust Stealth Agents’ virtual assistants to guide you—offering free consultations on client preferences and virtual assistant pricing to tailor solutions that fit your unique needs.

 

 

What Guarantees Quality in Outsourced Call Center Services?

To ensure quality in outsourced call center services, it’s crucial to define clear quality assurance metrics and KPIs, such as First Call Resolution and Customer Satisfaction Score, to align goals and measure performance. 

 

 

Regular performance monitoring using advanced tools and audits helps maintain service efficiency and identify improvement areas. 

 

 

Effective communication, facilitated by centralized systems and real-time updates, ensures transparency and collaboration between businesses and outsourced teams. 

 

 

Comprehensive training programs for agents enhance productivity and customer interaction quality, keeping them aligned with company goals. 

 

 

Data security requires robust standards and certifications to protect sensitive information and maintain customer trust. 

 

 

Businesses can scale their call center operations effectively and stress-free by focusing on these essentials.

 

 

What Are the Benefits of Outsourcing Call Centers?

1. Cost Efficiency in Outsourced Call Centers

Outsourcing call centers offer remarkable cost efficiency by drastically reducing operational expenses. 

 

 

Businesses save on infrastructure needs like office spaces and new technologies instead of paying a manageable flat fee. 

 

 

Recruitment and training expenses, which often balloon in-house costs, are minimized. Research shows outsourcing can reduce costs by up to 60%. 

 

 

Furthermore, the best 50 call center companies offer scalable services, ensuring businesses pay only for what they need. Seasonal workloads no longer result in excess resource spending.

 

 

Additionally, small businesses gain access to resources typically exclusive to larger corporations. 

 

 

Outsourcing creates financial predictability, a strength for companies aiming to succeed long-term. Cost efficiency remains a top reason for turning to external vendors.

 

 

2. Access to Advanced Technology and Expertise

Businesses gain a technological edge and skilled support when outsourcing to esteemed providers. 

 

 

The best 50 call center companies leverage cutting-edge tools like AI and robotic automation for better customer service. 

 

 

Predictive analytics and machine learning reduce error rates and improve client interactions. Outsourced providers also invest heavily in training to ensure superior service delivery. 

 

 

Importantly, they shoulder upgrade expenses, allowing businesses to access constant technological advancements without direct investments. 

 

 

A company using analytics from outsourced centers gains a clear understanding of customer behavior to refine strategies. 

 

 

Small firms, in particular, benefit from leveling the playing field through such partnerships. This collaboration is a vital growth driver by blending expertise with advanced solutions.

 

 

3. Scaling Operations with Flexibility

Outsourcing provides unmatched flexibility for businesses needing to scale operations. Whether during seasonal demand spikes or global expansions, third-party vendors quickly adapt to changing service requirements. 

 

 

Top providers like the best 50 call center companies offer modular services, allowing businesses to seamlessly scale up or down resources. 

 

 

For example, a company can extend operating hours without hiring additional in-house staff during the holiday season. Outsourced call center services also support multilingual communications, enhancing cross-border service capabilities. 

 

 

Expanding into international markets becomes smoother with flexible operational models. Resources are allocated efficiently, keeping costs in check even as demands fluctuate. 

 

 

Such flexibility is invaluable for businesses looking to optimize performance in dynamic environments. Success depends on adaptability, and outsourcing makes it effortless.

 

 

4. Enhanced Focus on Core Business Processes

Outsourcing allows businesses to direct undivided attention to vital tasks by taking customer service burdens off internal teams. 

 

 

Innovation, product development, and revenue-generation efforts soar without the added responsibility. For instance, your sales and marketing teams can focus on growth rather than managing routine client queries. 

 

 

Collaborations with top vendors, including the best 50 call center companies, ensure consistent customer service quality—this division of labor results in happier teams and more efficient workflows. 

 

 

A company prioritizing core functions often sees an increase in overall productivity and profits. The streamlined operations lead to improved strategic focus and more effective resource usage. 

 

 

Outsourcing thus bridges the gap between operational efficiency and business expansion.

 

 

5. Boosting Customer Experience through Expertise

Collaborating with premier outsourcing vendors enhances customer experiences exponentially. Companies like the best 50 call center companies employ rigorously trained agents who excel in solving complex issues. 

 

 

A seamless blend of professionalism and empathy builds trust among consumers. Advanced tools, such as omnichannel support systems, ensure clients can connect via their preferred channels, like chat, phone, or email. 

 

 

Data-driven insights gathered by outsourced call centers continuously refine these interactions. 

 

 

Statistics show that 74% of consumers remain loyal after positive service; hence, outsourcing improves retention rates significantly. 

 

 

Every resolution prioritizes speed and accuracy to meet high customer expectations. 

 

 

Enhanced experiences create satisfied customers, which is key to sustained brand loyalty and growth. Providers ensure every interaction represents your business impeccably.

 

 

What Are the Best 50 Call Center Companies?

1. Stealth Agents

Stealth Agents is a virtual assistant service provider that specializes in connecting businesses with highly skilled professionals. They boast a rigorous selection process, hiring only the top 1% of talent, primarily based in the Philippines, to provide top-notch live remote assistantce across over 35 industries. Their virtual assistants help streamline business operations by handling tasks such as scheduling, email management, customer service, research, and more. The company emphasizes transparency, offering performance tracking and detailed reporting, ensuring clients receive exceptional service tailored to their needs.

 

2. Teleperformance

Teleperformance is a France-based multinational business process outsourcing company founded in 1978. With a presence in over 90 countries and a workforce of more than 490,000 employees, it specializes in delivering customer experience management, technical support, and back-office services. The company serves many industries, including telecom, insurance, healthcare, and retail, with an emphasis on leveraging advanced technology and human expertise. 

 

3. Concentrix

Concentrix is a global technology and customer experience solutions company, serving over 2,000 clients in various industries across 70+ countries. It specializes in designing, building, and managing seamless customer interactions powered by innovative technologies like AI and advanced analytics. With a human-centered and tech-powered approach, Concentrix supports businesses in driving efficiency, modernizing operations, and achieving transformative outcomes. The company is known for its commitment to sustainability, diversity, and delivering exceptional customer engagement experiences.

 

4. Sitel Group

Sitel Group is a leading global provider of customer experience management solutions, offering a variety of business process outsourcing services across multiple industries. With a network of 150 offices in over 25 countries and a workforce of 75,000 associates, the company partners with organizations to deliver end-to-end, innovative solutions that enhance customer satisfaction and brand loyalty. Sitel Group integrates advanced technology, digital marketing, and training to transform customer service operations. 

 

5. Alorica

Alorica is a global leader in customer experience solutions, offering support through a combination of cutting-edge technology and talented professionals. The company serves a variety of industries, providing innovative services that enhance customer satisfaction and operational efficiency. With a presence spanning across different parts of the world, Alorica ensures localized solutions tailored to meet diverse client needs while driving digital transformation. 

 

6. Sykes Enterprises

Sykes Enterprises was a leading provider of business process outsourcing services, founded in 1977 and headquartered in Tampa, Florida. The company offered exceptional customer service, technical support, and IT-enabled solutions across the finance, healthcare, and technology industries. With a presence in 66 locations globally, Sykes focuses on enhancing client operations through tailor-made solutions and innovative approaches.

 

7. TTEC

TTEC is a leading global customer experience (CX) technology and services company, founded in 1982 and headquartered in Englewood, Colorado. The company specializes in designing, building, and operating omnichannel solutions to optimize customer experience across digital and traditional interactions. With over 54,000 employees in 21 countries, TTEC blends AI-driven technologies with human expertise to deliver superior customer engagement and operational outcomes. 

 

8. Atento

Atento is a prominent global provider of customer relationship management (CRM) and business process outsourcing (BPO) services, headquartered in Brazil. The company delivers innovative solutions by combining advanced technology with human-centric strategies, serving over 400 clients across diverse industries like telecommunications, finance, and healthcare. Known for its leadership in Latin America, Atento employs more than 154,000 professionals in 17 countries. 

 

9. Arvato

Arvato is a global services provider headquartered in Gütersloh, Germany, specializing in supply chain, IT, and customer relationship management solutions. The company leverages advanced cloud technology, robotics, and automation to empower clients in retail, healthcare, and e-commerce industries. With over 68,000 employees across 100 locations, Arvato is driven by innovation, sustainability, and customer-centric values.

 

10. Genpact

Genpact is an American multinational professional services firm that delivers business transformation through digital technology, outsourcing, and data-driven solutions. Initially founded in 1997 as a back-office unit of General Electric, it has since grown into an independent entity serving over 800 clients in more than 30 countries worldwide. With a focus on artificial intelligence and data analytics, Genpact helps companies optimize operations, enhance decision-making, and achieve sustainable growth. 

 

11. Wipro

Wipro Limited, a multinational company based in Bengaluru, India, is a global leader in IT services, consulting, and business process outsourcing. Founded in 1945, Wipro is known for its innovative solutions in areas like cloud computing, artificial intelligence, robotics, and digital transformation. With operations in over 60 countries and more than 234,000 employees, the company serves industries like healthcare, manufacturing, retail, and financial services. 

 

12. HGS (Hinduja Global Solutions)

Hinduja Global Solutions (HGS) is a global leader in business process management and is headquartered in Bengaluru, India. Established in 1973, the company provides customer engagement solutions by combining technology and human expertise to serve healthcare, finance, insurance, and telecommunications industries. HGS offers services like digital marketing, automation, and AI-driven business strategies across over 10 countries. With a workforce exceeding 18,000 employees, HGS focuses on innovation and client success through transformative BPM solutions.

 

13. Tech Mahindra

Tech Mahindra, a part of the Mahindra Group, is a global leader in IT services and consulting, headquartered in Pune, India. Established in 1986, the company offers cutting-edge digital transformation solutions across industries like healthcare, energy, telecom, and manufacturing. With a workforce of over 150,000 professionals in 90+ countries, Tech Mahindra focuses on leveraging technologies like AI, cloud, and IoT to empower clients for future readiness. Its commitment to innovation and sustainability has earned it widespread recognition, including a spot among India’s top IT firms.

 

14. Capita

Capita is a UK-based international provider of business process outsourcing (BPO) and professional services, headquartered in London. Founded in 1984, the company supports public and private sector clients, improving operational efficiency and customer experience through technology-driven solutions. With a workforce of approximately 52,000 employees, Capita operates across Europe, Asia, Africa, and the U.S., serving diverse industries like finance, education, telecommunications, and government. 

 

15. Transcom

Transcom is a Swedish-based global customer experience (CX) and business process outsourcing provider established in 1995. Headquartered in Stockholm, it delivers customer care, sales, technical support, and collections services to international brands across 21 countries. With over 29,000 employees operating in 50 contact centers as well as through a robust work-at-home model, Transcom employs advanced digital solutions and tailored strategies to support clients in industries like e-commerce, telecom, and financial services. 

 

16. Webhelp

Webhelp is a leading multinational business process outsourcing (BPO) and consultancy company, headquartered in Paris, France. Established in 2000, it offers customer relationship management, digital transformation solutions, and operational outsourcing for a wide range of industries including finance, healthcare, retail, and telecommunications. With a workforce of over 125,000 people across more than 35 countries, Webhelp partners with global brands to optimize customer experiences and achieve measurable business outcomes. 

 

17. VXI Global Solutions

VXI Global Solutions is a leading business process outsourcing (BPO) company that specializes in delivering customer experience (CX) and operational excellence for top global brands. Founded in 1998 and headquartered in Los Angeles, California, VXI has grown to over 45,000 employees across 42 locations worldwide, including North America, Asia, Europe, Africa, and the Caribbean. With a strong focus on innovation, the company provides customized solutions in customer care, digital transformation, and technology support. 

 

18. StarTek

StarTek is a global provider of technology-enabled business process outsourcing (BPO) solutions, renowned for its holistic approach to customer experience management virtual assistant. Established in 1987, the company serves a diverse range of industries, offering personalized, omnichannel customer interaction strategies that leverage cutting-edge AI and insights. With over 38,000 employees across 13 countries, StarTek combines human expertise, technology, and analytics to deliver optimized client outcomes. 

 

19. IBEX

IBEX, formerly known as TRG Customer Solutions, is a global business process outsourcing company headquartered in Washington, D.C. Founded in 2002, it specializes in delivering innovative customer experience (CX) solutions to support startups, scale-ups, and large enterprises. With operations in multiple countries, IBEX employs over 30,000 professionals who enhance customer engagement through digital and technology-driven methods. 

 

20. 24-7 Intouch

24-7 Intouch is a business process outsourcing company founded in 2000 and headquartered in Winnipeg, Canada. The company focuses on providing innovative customer support, leveraging state-of-the-art technology to deliver world-class customer experiences. With over 18,000 employees across 22 sites in 9 countries, 24-7 Intouch serves diverse industries, including retail, technology, finance, and healthcare. 

 

21. Sutherland

Sutherland is a global business process and technology management services company founded in 1986 and headquartered in Rochester, New York. With over 40,000 employees, the company operates across 61 offices worldwide, delivering innovative customer experience and digital transformation solutions. Sutherland combines human expertise with cutting-edge technologies like AI, cloud engineering, and analytics to develop tailored solutions for clients in industries such as healthcare, retail, and technology. 

 

22. Conduent

Conduent is a business process services company established in 2017 as a spin-off from Xerox, with its headquarters in Florham Park, New Jersey. The company delivers a broad range of digital platforms and solutions tailored for both governmental and commercial customers across diverse industries like finance, healthcare, transportation, and retail. With a workforce of over 60,000 employees operating across 22 countries, Conduent aims to drive efficiency and enhance customer experiences through automation, analytics, and transaction processing. 

 

23. Firstsource Solutions

Firstsource Solutions is a global business process management company headquartered in Mumbai, India, and is part of the RP-Sanjiv Goenka Group. Established in 2001, it specializes in providing customer-centric transformation across industries like healthcare, banking and financial services, telecom, and media. The company operates over 37 centers across five countries, serving 150+ global clients, including Fortune 500 and FTSE 100 companies. Firstsource leverages cutting-edge technology, data analytics, and domain-specific expertise to deliver innovative and efficient solutions.

 

24. TeleTech (TTEC)

TTEC, formerly known as TeleTech, is a global leader in customer experience (CX) technology and services, established in 1982 and based in Englewood, Colorado. Operating across 21 countries, the company employs approximately 60,000 professionals to deliver digital transformation solutions that enhance CX by merging technology with human expertise. TTEC specializes in AI-powered engagement, omnichannel communication, and digital customer support strategies. 

 

25. Cognizant

Cognizant is a multinational information technology services and consulting company founded in 1994 and headquartered in Teaneck, New Jersey. With over 336,000 employees, it provides a wide array of digital transformation, IT management, and consulting services to clients worldwide, including top names in sectors like healthcare, banking, and media. Cognizant specializes in harnessing advanced AI, cloud computing, and data analytics to modernize operations and drive innovation for its customers.

 

26. Accenture

Accenture is a leading global professional services company headquartered in Dublin, Ireland, with a workforce of nearly 799,000 employees operating across more than 120 countries. Founded in 1989, it specializes in providing cutting-edge solutions in strategy, consulting, technology, and operations to help organizations digitally transform and achieve sustainable growth. Accenture leverages advanced tools like AI, robotics, and blockchain, along with a strong ecosystem of over 350 partners, to drive innovation and reinvention across industries, including financial services, healthcare, and communications. 

 

27. Aegis

Aegis is a global business process outsourcing (BPO) company founded in 1985 and headquartered in San Francisco, California. The company specializes in providing end-to-end customer lifecycle management and actionable business insights through customizable, multi-disciplinary services. Aegis operates across diverse industries, including telecommunications, insurance, banking, and retail, with a workforce of approximately 50,000 employees worldwide. 

 

28. Serco

Serco Group is a British multinational company specializing in outsourcing services, primarily for government and public sector organizations. Founded in 1929 and headquartered in Hook, England, it operates across five core sectors, including transport, defense, healthcare, citizen services, and justice and immigration. With a workforce of over 50,000 employees spread across regions like Europe, North America, the Middle East, and Asia Pacific, Serco is renowned for its expertise in managing complex programs and delivering innovative solutions. 

 

29. EXL Service

EXL Service is a global analytics and digital solutions company founded in 1999, headquartered in New York City, USA. Specializing in data-driven decision-making, EXL partners with industries such as insurance, healthcare, banking, and retail to provide advanced analytics, digital transformation, and operational management services. With a global workforce of over 54,000 professionals, EXL is recognized for its innovative AI solutions and expertise in embedding analytics into workflows. 

 

30. TaskUs

TaskUs is a premier provider of outsourced customer experience and back-office support services, founded in 2008. Headquartered in New Braunfels, Texas, TaskUs employs tens of thousands of professionals across the globe, catering to disruptive industries such as e-commerce, technology, and healthcare. It specializes in data-driven operational support, dynamic customer care, and AI moderation tailored to meet the needs of fast-moving modern businesses. 

 

31. iQor

iQor is a private business process outsourcing company headquartered in Fort Lauderdale, Florida, with a global workforce of over 40,000 employees spread across 10 countries. It specializes in providing customer experience solutions, technical support, and revenue generation services to various industries, including retail, financial services, healthcare, and telecommunications. With a focus on combining human expertise and advanced technology such as AI and machine learning, iQor delivers tailored solutions that enhance operational efficiencies and customer satisfaction.

 

32. CSS Corp

CSS Corp is a global leader in customer experience and technology services, founded in 1996 and headquartered in San Jose, California. Leveraging a workforce of over 11,000 employees across 20+ global locations, CSS Corp focuses on offering next-generation customer support, digital transformation, and IT consulting services. The company is renowned for its proprietary platforms and automation-led solutions, helping businesses optimize operations and enhance customer engagement in industries like telecommunications, retail, and technology. 

 

33. TeleTech Holdings (now TTEC Holdings)

TTEC Holdings, formerly known as TeleTech Holdings, is a global leader in customer experience management (CX) technology and services. Established in 1982 and headquartered in Englewood, Colorado, TTEC combines human expertise with AI-enabled digital solutions to optimize customer interactions. The company operates across six continents, serves clients in over 50 languages, and delivers tailored services to iconic and disruptive brands worldwide. 

 

34. Stream Global Services

Stream Global Services was a prominent business process outsourcing (BPO) company specializing in customer management and information management products. It operated over 50 service centers across 22 countries, with a workforce exceeding 37,000 employees serving Fortune 1000 clients in industries like technology, telecommunications, and healthcare. Founded in 1992 and headquartered in Eagan, Minnesota, the company offered innovative solutions aimed at improving operational efficiency and brand loyalty for its clients. 

 

35. West Corporation

West Corporation, now operating as Intrado, is a leading global technology and communication services provider headquartered in Omaha, Nebraska. Founded in 1986, the company enables critical connections and delivers innovative solutions across emergency communications, cloud collaboration, customer care, and digital marketing sectors. With a strong reputation for implementing cutting-edge technologies, West is dedicated to improving operational efficiency and engagement for its clients, including corporations across education, telecommunications, and healthcare.

 

36. SYKES

SYKES Enterprises was a global business process outsourcing (BPO) company established in 1977 and headquartered in Tampa, Florida. It specialized in customer engagement solutions, offering services like technical support, customer care, order fulfillment, and digital marketing. Operating across 20 countries with over 61,000 employees, the company served clients in technology, healthcare, and financial services. In 2021, SYKES was acquired by Sitel Group, which later rebranded and merged operations under the name Foundever.

 

37. Liveops

Liveops is a leading virtual contact center solutions provider, founded in 2000, specializing in connecting businesses with a distributed network of skilled customer service agents. Headquartered in Scottsdale, Arizona, the company empowers enterprises with flexible, scalable outsourcing solutions tailored to meet fluctuating customer demands. Liveops strongly emphasizes work-life balance and entrepreneurial freedom for its agents, resulting in a robust workforce dedicated to delivering empathetic and top-tier customer experiences. 

 

38. Blue Ocean Contact Centers

Blue Ocean Contact Centers is a premier onshore and nearshore customer care outsourcing provider based in Halifax, Nova Scotia, Canada. Founded in 1994, the company specializes in delivering tailored, high-touch customer service solutions across technology, retail, and communications industries. With a multilingual workforce supporting English, French, Spanish, and other languages, Blue Ocean is committed to enhancing customer experiences while focusing on sustainability and operational excellence. 

 

39. Datamark

Datamark, established in 1989 and headquartered in El Paso, Texas, is a global leader in contact center and business process outsourcing (BPO) solutions. The company specializes in simplifying complex business challenges for Fortune 500 companies and large enterprises through integrated contact center services, enterprise content management, and document lifecycle management. Operating across the U.S., Mexico, and India, Datamark combines advanced technology with Lean Six Sigma methodologies to enhance operational efficiency and customer experiences.

 

40. Invensis

Invensis is a leading global business process outsourcing (BPO) company founded in 2000 and headquartered in Bangalore, India, with additional offices in the U.S. and Europe. With a workforce of over 5,000 skilled professionals, it serves businesses across diverse industries like healthcare, logistics, eCommerce, and finance. Invensis provides tailored outsourcing solutions, combining technology, advanced analytics, and industry expertise to streamline operations and improve efficiency.

 

41. Flatworld Solutions

Flatworld Solutions, founded in 2004 and headquartered in Bangalore, India, is a leading provider of global business process outsourcing (BPO), business process automation (BPA), and AI-powered services. The company serves over 18,000 clients across 167 countries, offering innovative solutions that streamline operations and drive profitability. With delivery centers in India, the Philippines, Colombia, and Bolivia, Flatworld Solutions caters to diverse industries, combining expert talent and advanced technology to meet complex business needs.

 

42. Unity Communications

Unity Communications is a U.S.-based business process outsourcing (BPO) company founded in 2009 and headquartered in Gilbert, Arizona. The company provides scalable and customized outsourcing solutions, serving a variety of industries, including healthcare, e-commerce, real estate, and financial services. With over 350 onshore, nearshore, and offshore agents, Unity Communications specializes in delivering front-office and back-office support, leveraging advanced technologies to improve efficiency and customer satisfaction.

 

43. SupportYourApp

SupportYourApp is a global provider of outsourced customer support services, founded in 2010 and originally headquartered in Kyiv, Ukraine. The company delivers exceptional support solutions to businesses worldwide, offering expertise in over 60 languages and serving industries such as technology, e-commerce, and SaaS. Its services are recognized for ensuring high customer satisfaction rates while maintaining strict compliance with PCI/DSS, GDPR, and ISO 27001 standards for data security. 

 

44. Helpware

Helpware is a global business process outsourcing company founded in 2015, with a mission to revolutionize customer engagement and deliver exceptional experiences. Headquartered in the U.S., the company operates in locations across continents, including Ukraine, the Philippines, Mexico, and Germany, serving industries like e-commerce, AI, and financial services. Driven by a “People as a Service” model, Helpware emphasizes employee well-being, fostering a customer-first culture that underpins its approach to outsourcing. 

 

45. Customer Contact Insights (CCI)

Customer Contact Insights (CCI) is a boutique consultancy group based in Milan, Indiana, founded in 2006. The company specializes in helping businesses optimize strategies for improved results through custom research, database analytics, and customer experience benchmarking. Known for its experienced consultants, each with over 20 years of executive-level expertise in Fortune 500 companies, CCI blends data-driven insights with tailored solutions to maximize sales, marketing, and service channel efficiencies. 

 

46. Fusion BPO Services

Fusion BPO Services is a global business process outsourcing company with over 33 years of expertise, providing customer experience management solutions. Headquartered in the United States, it operates across 15 countries and 30 delivery centers, delivering services in more than 40 languages. Fusion focuses on blending advanced technology with human-centric approaches to redefine customer interactions and enhance business outcomes. 

 

47. Global Response

Global Response, established in 1974 and headquartered in Margate, Florida, is a premier customer experience management and contact center service provider. With over 40 years of expertise, the company serves a diverse range of industries, including retail, healthcare, education, financial services, and eCommerce. Leveraging advanced technology and a customer-centric approach, Global Response delivers personalized, omnichannel support solutions that enhance customer satisfaction, loyalty, and business outcomes. 

 

48. AnswerConnect

AnswerConnect is a live call answering service provider established with a mission to keep business interactions human while ensuring 24/7 availability for its clients. Headquartered in Portland, Oregon, the company specializes in providing customized answering services, including appointment scheduling, order management, and bilingual support across multiple industries. Their services aim to help businesses maintain seamless customer interactions, capture every lead, and improve customer satisfaction rates. 

 

49. Callbox

Callbox is a B2B lead generation service provider established in 2004 and is known for being a leading player in outsourced email marketing services and sales support solutions. Headquartered in Encino, California, the company leverages human expertise and AI-driven tools to deliver high-quality leads for businesses across multiple industries. With clients in over 60 countries, Callbox specializes in multi-channel campaigns that include email, social media, and telemarketing to optimize sales pipelines and accelerate growth.

 

50. Infosys BPM

Infosys BPM, established in 2002 as a subsidiary of Infosys Limited, is a leading global provider of business process management services headquartered in Bengaluru, India. The company specializes in end-to-end outsourcing and digital transformation, employing over 58,000 people across 47 delivery centers in 16 countries. With a focus on integrating innovative technologies like AI, automation, and analytics, Infosys BPM helps clients optimize efficiency and reduce costs while delivering superior customer experiences. 

 

 

Takeaways

When it comes to outsourcing support, companies deserve partners they can trust. This list of the best 50 call center companies proves that scaling your business doesn’t have to be overwhelming or chaotic. 

 

 

These companies offer expertise in customer service, technical support, and beyond, providing the resources you need to focus on growth. 

 

 

Partnering with the right call center company ensures you can maintain excellent service while expanding your operations seamlessly. Each of the 50 mentioned companies brings its unique blend of reliability, professionalism, and tailored solutions. 

 

 

From small startups to large enterprises, these call centers are equipped to meet the demands of any business size. 

 

 

Choosing the right partner from these 50 best call center companies could be your business’s game-changer to grow confidently.

 

 

Take the first step today by leveraging the expertise of Stealth Agents’ virtual assistants to handle your operational needs effortlessly.