Top 100 Telemarketing Companies

RemSource is a consulting and virtual support company located in Baltimore. RemSource was founded in 2009 and maintains a team of 7 that provides non-voice BPO/back office services, bookkeeping, voice services, and business consulting services for small businesses.

CallTree BPO is a midsize call center company. Founded in 2020, the team offers call center services, back office outsourcing, customer service outsourcing, sales outsourcing, and more. The company is in Tijuana, Mexico.

Call Center Pros is an outsourcing firm based in Santo Domingo, Dominican Republic with a US office in Hollywood Fla. Established in 2010, Call Center Pros has 80 employees, and provides services including voice and non-voice business process outsourcing; Call Center Pros provides live chat and email support in addition to phone services.

BillingParadise is a medical billing company based in Diamond Bar, Calif., with offices in Grand Rapids, Minn., North Brunswick, NJ, Mount Dora, Fla., Taylor, Texas, and New York City. Founded in 2004, BillingParadise's team of 31 provides non-voice BPO/back office services and voice services.

ReveGro, a sales outsourcing company, was founded in 2020. In Arrecife, Spain and Crewe, United Kingdom, their small team provides sales outsourcing, call center services, social media marketing, business consulting, and more.

Founded in 2011, WC Call Center is a telemarketing agency based in Carlsbad, Calif. With fewer than 50 employees, the agency specializes in voice services and primarily works with clients in the financial services industry. 

ARC Business Process Outsourcing is a sales outsourcing company. The midsize Cape Town, South Africa-based company was founded in 2020. Their team specializes in sales outsourcing, customer service outsourcing, call center services, and back office outsourcing.

Matchboard is a phone answering service located in Sydney, Australia. The small agency was founded in 2012. Their services include voice services, non-voice bpo/back office services, and HR services.

Phone answering service Infinity Center BPO is based in Houston, Texas and Ciudad de Guatemala, Guatemala. The firm provides call center services and customer service outsourcing and is midsize.The firm was established in 2014.

Founded in 2019, Salaria Sales Solutions is a digital strategy company. The midsize team offers digital strategy, content marketing, call center services, and customer service outsourcing. The company is located in Arlington, Virginia.

Athena BPO is a domestic BPO based in Mumbai and Bangalore, India. Founded in 1990, Athena provides voice/call center services and non-voice BPO/back office services.

MedValue is a BPO service provider with locations in Oak Brook, Ill., Los Angeles, and Bridgewater, N.J. The team of fewer than 10 employees offers non-voice BPO services and voice services to clients in the health care and medical industry.

VA Talks is a virtual assistance company based in Kolkata, India. Founded in 2015, VA Talks has a team of about 30 and provides non-voice BPO/back office services, voice/call center services, and transcription capabilities to a variety of companies across different industries.

Sonnecto is an IT firm based in Pristine, Kosovo with more than 50 employees. Founded in 2018, they are experts in IT managed services, finance and accounting outsourcing, and custom software development solutions for small and mid-market businesses.

Launched in 2017, Rely ON Ants is a customer service outsourcing company. Their midsize team is in Berlin, Germany. Their services include customer service outsourcing, call center services, back office outsourcing, and sales outsourcing.

MarKam Solutions is an answering service company. Launched in 2021, the team provides call center services, back office outsourcing, customer service outsourcing, and sales outsourcing. Their midsize agency is headquartered in Sofia, Bulgaria.

Dialnest PTE LTD is a call center company. Founded in 2023, the team specializes in Call Center Services, Back Office Outsourcing, Customer Service Outsourcing, and Sales Outsourcing. Their midsize firm is headquartered in Singapore, Singapore and Iloilo City, Philippines.

Located in Miami, Florida and Managua, Nicaragua, ALPHA BPO LLC is a customer service outsourcing company. The small team specializes in customer service outsourcing, call center services, IT managed services, web development, and more. The firm was founded in 2019.

Konnektors is a marketing company based in Davao City, Philippines. Their team of more than 10 has provided email marketing, voice services, and back-office services since their founding in 2018. They work with clients in the fields of advertising, financial, and business services.

Captico Consultancy is a small website development company located in Mumbai, India. Established in 2017, the team focuses on web development, mobile app development, and call center services.

Navigant PACE is a mass tort claims administration company based in Hamilton, NJ, with four other locations. Founded in the early 1980s, they have over 5,000 employees that service the business services, legal, financial, and healthcare industries. They specialize in non-voice BPO/back office services and voice services.

A1 Call Center is a CISCO-based outsourcing call center in Noida, India. Founded in 2009, the company has a team of 6 that specialize in back office and call center services. They primarily work with clients in the consumer products, media, and education industries. 

Max BPO is a call center agency headquartered in Nanaimo, Canada, with offices in Noida, India, and Takoma Park, Md. Since 1997, their team of 52 has provided clients with voice services, non-voice BPO/back-office services, and finance & accounting outsourcing expertise. Their call center services focus on B2C telemarketing, answering services, and virtual receptionist services, among others.

Blue Zebra Appointment Setting is a lead generation agency based in Port Washington, N.Y. Since 1989, their team of fewer than 10 works with clients in different industries like business and financial services and healthcare. 

Founded in 2021, SWITCH 360 is an answering service company. Their midsize team is located in Los Angeles, California. Their services include call center services, customer service outsourcing, digital strategy, search engine optimization, and more.

Answering service company Significo was established in 2007. The midsize Zagreb, Croatia-based team specializes in call center services, sales outsourcing, and customer service outsourcing.

Virtual Receptionist Pro is a call center service. They are based in Miami, Florida and have a small team. The company offers call center services.

Dynamic Business Outsourcing Solutions is an offshore staffing company headquartered in Cubao, Philippines. Founded in 2015, they now have about 30 employees. They offer voice services, non-voice BPO and back office services, and web design services to primarily midmarket firms and small businesses in the following industries: financial services, consumer products and services, and advertising and marketing.

Cenit Inc is a business solutions provider founded in 2014 with more than 50 members. They offer back-office services, voice services, and web development solutions from their office in Karachi, Pakistan. They primarily work with small and medium-sized companies.

Servixer, LLC is a transcription company established in 2018. The midsize Sheridan, Wyoming-based team provides transcription, social media marketing, voice services, digital strategy, and more.