Explore the top-rated call centers in California that offer a variety of telecommunication services for your business. Use our practical filter to select your ideal partner by budget, client reviews, team size and more.
Best California Call Center Service Providers Rankings
52 Companies - Rankings updated: April 01, 2026
Every agency on DesignRush meets evaluation criteria around expertise and client feedback to empower informed choices. Some listings include paid partnerships.
Empowering Connections, Transforming Experiences.
Five9 delivers comprehensive CCaaS solutions, empowering businesses to create exceptional customer experiences through expert support, advanced technology, and customer-focused strategies. [... view Five9, Inc profile ]- Location
- San Ramon, California
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $149/hr
Passion for People, Excellence in Service
A minority-owned BPO company specializing in customer service, sales, and recruitment process outsourcing. Leveraging award-winning innovations in training and coaching, the agency delivers exceptional customer experiences while boosting satisfaction, loyalty, and operational efficiency. [... view One Contact Center profile ]- Location
- Thousand Oaks, California
- Number of Employees
- 500 - 999
- Minimal Budget
- $1,000 - $10,000
Related Services in California
Call Centers Specializations in California
Call Center Companies in California
About The Author and Expert Reviewer
Bojana Trajcheva is a seasoned content editor and innovation researcher with extensive experience in the tech and marketing industries. Formerly Editor-in-Chief at Studentsko Eho, she developed a strong foundation in content creation and editorial leadership. Bojana further honed her skills in senior innovation research roles and now brings this combined expertise to her work as an editor at DesignRush.
Andrija Savić is an accomplished and highly competent sales professional with record-breaking achievements. His work at BSC Kragujevac, a leading European NGO affiliated with SPARK Netherlands, resulted in a 24% increase in course completion rates. While at Global Media Box, his team contributed 26.5% of the company's monthly sales in just seven months. Since becoming the Director of Client Relationships at DesignRush, the business has gained a 700% revenue increase, a testament to his proven competency and dedication to customer satisfaction.
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