Top 100 Inbound Call Centers

AnswerConnect is a contact center solutions firm based in Portland, Ore. Established in 2002, they have 38 employees, and offer a wide variety of voice-oriented customer service options. Their solutions include voice and non-voice BPO/back office services.

Davinci Virtual Office Solutions is a call answering company of 82 employees, which was founded in 2005. Based in Salt Lake City, they offer voice services. They serve small and midmarket businesses in a variety of industries, including healthcare, real estate, business, and financial services.

Gold Cross Answering Service is a live answering service company located in Chippewa Falls, Wis. They were founded in 1980. With about 9 employees, they provide voice services and non-voice back-office services to clients primarily in the real estate, healthcare, and medial industries.

In Ho Chi Minh City, Vietnam and Cebu City, Philippines, Innovature Consulting is an accounting company. Founded in 2015, the midsize team provides accounting, HR services, non-voice bpo/back office services, voice services, and more.

Launched in 2006, six eleven global services and solutions is a call center service. The company specializes in call center services, sales outsourcing, back office outsourcing, customer service outsourcing, and more and has a large team. The company is in Davao City, Philippines and Davao City, Philippines.

Tech Fi Technologies is an IT company founded in 2016 in Gurugram, India. With no more than 50 experts, they offer voice services, web development, and web design solutions for clients ranging from small firms to large companies in the fields of e-commerce and education.

Acquire BPO is a global business outsourcer based in Pasig City, Philippines with offices in Calabarzon, Philippines, Central Luzon, Philippines, Melbourne, Australia and Dallas. Founded in 2005, Acquire BPO's team of around 1,100 employees provides non-voice BPO/back office services and voices services.

Global Response is a contact center company based in Margate, Fla., that was established in 1974. Their team of more than 450 employees offers contact center services, inbound sales processing, order processing, chat support, email response, and social media support.

Customer Umbrella is a non-voice bpo/back office services and call center service in Varna, Bulgaria. The midsize firm was launched in 2010. Their team offers non-voice bpo/back office services and voice services.

Founded in 2011, Call2Customers is an outsourced call center in New Delhi, India with roughly 250 employees who provide voice and BPO services. They focus on B2B lead generation and B2C telemarketing for clients.

Abacus Cambridge Partners, an ERP consulting and SI company, is based in London, England; Dubai, United Arab Emirates; Riyadh, Saudi Arabia and New York, New York. They focus on ERP consulting and SI, BI & big data consulting & SI, Custom Software Development, Call Center Services, and more and were founded in 2017.

Contact One is a full-service call center outsourcing firm in Tuscon, Ariz. They were founded in 1981 and currently maintain a staff of just over 40 employees. They provide voice services to a range of clients in a variety of sectors.

Slingfly is a small SEO agency. The Fayetteville, Arkansas-based agency was founded in 2009. Their team focuses on search engine optimization, call center services, content writing services, pay per click, and more.

Anserve Inc. is a phone answering services provider based in Butler, N.J. The company, founded in 1969, has more than 50 employees and provides voice services to mid-market and small companies and institutions in the medical, consumer products & services, dental, government, legal, and utilities industries.

Answering Legal is a voice services firm based in Nesconset, N.Y. Founded in 2013, their team serves clients in the legal sector. Services include virtual reception, inbound appointment scheduling, and customer support.

EMAPTA is an IT staff augmentation company. Launched in 2010, the company is headquartered in Mandaluyong, Philippines; Makati, Philippines; Makati, Philippines and Makati, Philippines. The large team specializes in IT staff augmentation, finance & accounting outsourcing (FAO), voice services, other digital marketing, and more.

Business consulting company Phi Consulting LLC was established in 2019. Their midsize team is based in Aurora, Colorado and Islamabad, Pakistan. Their services include business consulting.

Evoice is a phone services firm headquartered in Los Angeles California, that was established in 1995. Their team of over 1,000 employees offers voice services, transcription, inbound appointment scheduling, and virtual receptionist services.

Call center service Call Point Business Solutions was founded in 2018. They are located in Dhaka, Bangladesh and have a small team. Call Point Business Solutions focuses on voice services, non-voice bpo/back office services, advertising, other marketing, and more.

MAP Communications is an employee-owned virtual receptionist and live 24-hour answering service headquartered in Chesapeake, Va. Founded in 1991, their team of 65 focuses on industries like business services, real estate, education, healthcare, government, legal, and hospitality and leisure. They specialize in voice services.

VoiceNation is a live answering service company based in Buford, Ga. It was established in 2003 and now employs a team of 50. VoiceNation provides voice and non-voice BPO and back-office services.

Answering service Global Bilgi was established in 2008. Their midsize team is in Kyiv, Ukraine and Dnipro, Ukraine. Their services include voice services, non-voice bpo/back office services, CRM consulting and SI, HR services, and more.

Ansvery is a Vilnius, Lithuania-based customer service outsourcing company. Founded in 2012, the midsize team offers customer service outsourcing.

AdvancedMD is a business process outsourcing firm for the healthcare industry. Based in South Jordan, Utah, they have  a branch office in Springfield, Mass. The team was founded in 1999 and includes 590 employees. AdvancedMD offers a wide variety of solutions for independent practices. Their services include non-voice BPO, voice call outsourcing, and integration of medical and enterprise software.

Ruby Receptionists is a voice services firm based in Portland, Oregon, that was established in 2003. Their team of more than 250 employees offers voice call support, appointment management, and conventional answering services.

Seamless Virtual Assistant, a back office outsourcing company, is headquartered in Brampton, Canada and Tagum, Philippines. The company focuses on back office outsourcing, call center services, and customer service outsourcing and has a small team.The company was launched in 2023.

VSA, Inc. is a B2B telesales company headquartered in Haddon Township, N.J. They also have an office in Philadelphia. The company, founded in 2001, has a team of 100 people who specialize in voice services. They mostly work with mid-market businesses, but also have small and enterprise clients. Working across industries, they have built expertise in the health care, education and manufacturing and logistics industries.

Munzai Solutions is a sales outsourcing company. In Karachi, Pakistan and Manchester, United Kingdom, their small team specializes in sales outsourcing, call center services, CRM consulting and SI, and customer service outsourcing. The firm was launched in 2022.

ITCube Solutions is a technology service headquartered in Cincinnati, OH with a satellite office in Pune, India. Founded in 2003, the team of 600+ employees provides a host of services including custom software, web, and mobile app development. IT Cube Solutions also supports clients with application management and enterprise app modernization.

Paragon Sales Solutions is a telemarketing and marketing agency founded in Leicester, England in 2019 with fewer than 10 employees. They offer social media marketing, business consulting, and voice services for small businesses.