Top 100 Inbound Call Centers

IQ BackOffice is a finance, accounting, and HR company headquartered in El Segundo, Calif. with additional offices in India and the Philippines. The company was founded in 2002 and has grown to a team of 274 employees.  IQ BackOffice provides non-voice BPO/back office services, financial accounting, and voice services.

Founded in 2015, ScaleMill is a business services company that is headquartered in Berlin with another office in Karachi. The team of 17 partners with small and midmarket businesses and provides voice services and email marketing services for clients.

Ekant Infotech Solution is an answering service. Launched in 2016, the agency is in Lucknow, India. The small team offers voice services and custom software development.

Turn Key Receptionist is a voice services agency located in Smeaton Grange, Australia. Founded in 2016, they have approximately 5 employees who focus on small business clients. They provide voice services.

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.

RIOT Enterprise is a customer service outsourcing company launched in 2017. The small Gurugram, India-based team focuses on customer service outsourcing and call center services.

Stepping EDGE is a marketing firm founded in 2018 with fewer than 10 members. Based in Coimbatore, India, they are experts in social media marketing, mobile and app marketing, and PPC ads for small businesses in industries such as e-commerce, gaming, and arts.

Based in Knoxville, Tenn., Gabbyville is a team of virtual receptionists that specializes in voice services. Since 2013, their team of around 10 has been working with clients in different industries such as financial services, healthcare, and information technology.  

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.

PCN - Professional Communications Network is an answering service company from Riverside, Calif. It was founded in 1989 and now has a team of 12 that provides voice services to its clients. 

Hammerjack, an accounting company, is based in Sydney, Australia. The midsize company was launched in 2015. Their services include accounting, non-voice bpo/back office services, voice services, Artificial Intelligence, and more.

Callsite Solutions is a phone answering service. The small San Salvador, El Salvador-based company was launched in 2022. Their services include call center services, customer service outsourcing, back office outsourcing, and sales outsourcing.

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.

Protel BPO is a midsize telephone answering service. Located in Belize, Belize, the firm was launched in 2013. Their services include voice services.

TELUS International is a BPO contact center headquartered in Sofia, Bulgaria. They also have offices in Bucharest, Romania, and Old Trafford, United Kingdom. Founded in 2004, they have about 1,092 employees that serve clients in the financial, gaming, and IT industries. They specialize in voice services.

ENVO BPO is a business process outsourcing company based in Petaling Jaya, Malaysia, with an office in Kuala Lumpur, Malaysia. The company, founded in 2009, has more than 250 employees who provide, among others, voice services, IT managed services, and HR services to various companies.

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.

Founded in 2018, Westshore Bpo Pvt Ltd is a call center company. Their midsize team is located in Bengaluru, India. Their team offers voice services, business consulting, and non-voice bpo/back office services.

Intelligent Office is a business process outsourcing firm based in Denver with offices in Washington, DC, London, and Canada. Established in 2010, their team has grown to 300 employees. Intelligent Office offers a wide range of outsourced operations solutions. The bulk of their services consists of voice BPO, including inbound calls and customer support; they also offer non-voice services, such as live chat and virtual assistant solutions.

Bangalore, India, Trupp Global is a BPO Company with a current team of 16. Founded in 2010, the agency provides non-voice BPO/back office services, voice/call center services, and transcription services to small and midmarket businesses.

Pacific Business Services is a call center services company based in Phoenix, Arizona, that was founded in 2013. Their team of 121 that provides voice, non-voice business processing outsourcing (BPO), and transcription services. 

The Hour - Back Office and Virtual Assistant Services is a Great Neck Plaza, New York-based back office outsourcing company. The agency provides back office outsourcing, customer service outsourcing, call center services, finance & accounting outsourcing (FAO), and more and is midsize.The agency was established in 2015.

Experts Helping Businesses is a Cape Coral, Florida-based customer service outsourcing company. The midsize team focuses on customer service outsourcing, call center services, back office outsourcing, and sales outsourcing. The firm was founded in 2017.

ZRAFTED is a customer service outsourcing company headquartered in Lahore, Pakistan and Vista, California. The company provides customer service outsourcing, social media marketing, email marketing, web design, and more and has a small team.The company was established in 2015.

AI Bees is a digital agency in San Francisco. Founded in 2018, they have about 161 employees that serve mostly small-business and midmarket clients in the IT, business, and advertising industries. Services include digital strategy, email marketing, and digital marketing.

RDI Corporation is a telephone answering service. The large Cincinnati, Ohio-based company was established in 1978. Their team offers voice services, IT managed services, market research, and non-voice bpo/back office services.

Founded in 2018, Pettinsky Karisa is an IT strategy consulting company. Their small team is based in Mombasa, Kenya. Their services include custom software development, marketing strategy, IT managed services, UX design, and graphic design. 

BonBon Strategic is a branding agency founded in 2020. The agency provides branding, search engine optimization, custom software development, and web development and has a small team.

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.

Distance Team, a customer service outsourcing company, was founded in 2020. The midsize team focuses on customer service outsourcing and sales outsourcing. The company is based in Limassol, Cyprus.