Top Call Centers Firms in United States

OnSource provides businesses of all sizes with growth-focused sales and support solutions that reduce overhead while increasing profitability.

Callhalla has the expertise, people and technology to manage services accurately, cost-effectively and efficiently. With our level of knowledge and experience we can take care of any element of call centre service. With our integrated, multi-chan

We are a cloud-based multilingual contact center and BPO provider headquartered in Sofia, Bulgaria. We support customers through social media, live chat, e-mail and phone in more than 16 languages spoken across the EMEA markets and the Americas.

Call and contact centres come in many forms. The fact that it is often difficult to find and keep motivated and skilled call centre staff in Western Europe has resulted in global offshore outsourcing of administrative and telephony inbound and ou

Logicall Bulgaria AD is a contact centre, that provides a mix of specialized services, related to servicing customers via a set of communication channels: telephone, email, fax, sms, and direct mail. Opportunities we offer to our clients include

TELUS International Europe is a premium multilingual contact center, BPO (business process outsourcing) and ITO (information technology outsourcing) provider, delivering high quality services since 2004. The company has 3,500 team members across

60K is an award winning BPO and multi lingual contact centre outsourcing company in Bulgaria. We primarily provide inbound and outbound customer care, technical support and back office. 60K supports multi- channel architecture including voice,

We are not only an accounting company but also a consulting company providing a wide range of services on all issues regarding our clients’ businesses. Our mission is to offer professional services at competitive prices and support clients by d

Pontica Solutions is a Stevie® award winning BPO and ITO outsourcing company, founded in 2015 by experienced professionals in the industry. We offer a variety of opportunities for young talents to develop and grow in the field of customer success, p

PGBS provides professional and responsive website design and development services for large and small businesses across the globe at an affordable cost.