Elevate customer experience and streamline operations with vetted call center companies. Browse our curated list of call centers based in the US to find teams aligned with your customers' cultural and language needs. 

Organic rankings are determined by five factors: top services, reviews, portfolio, awards/press, and team expertise. Sponsored listings pay for a placement that appears above organic positions. Sponsorship does not affect star ratings or review content - read more on our methodology page.

Legal × $10,000 - $25,000 ×
  • SDR Teams, Lead Generation & Call Center Services for B2B Companies

    Munzai Solutions provides B2B call center services covering cold calling, inbound call management, and customer support, with each engagement staffed by dedicated SDRs working 40 hours per week. The call center company's packages include a US-based dialer, project manager, and weekly reporting...

    Top Services:

    • Customer Support
    • Business Consulting
    • Call Centers
    • Email Marketing
    • CRM Consulting
    • Show more
    Location
    Manchester, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    12 Projects Listed

    Munzai Solutions Services

    • Customer Support
    • Business Consulting
    • Call Centers
    • Email Marketing
    • CRM Consulting
    • Managed Services
    • BPO
    • Phone Answering Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Souqh
    • Maxyfi
    • Konch
    • Skriber
    Data sourced from the agency's DesignRush profile

    Munzai Solutions Reviews & Testimonials

    • Troy Porter
      Troy Porter Owner at Enviro-Master Services
      5.0★

      Appointment Setting Review from Troy Porter

      Our experience with Munzai was very positive. Zain was exceptional to work with. His communication was excellent, and anytime I had a question, concern, or request, he was quick to respond and willing to jump in and help. Adil also worked extremely hard on our account. He was persistent, consistent, and clearly put a tremendous amount of effort into trying to create opportunities for us. Ultimately, we did not get the level of results we had hoped for from the campaign. I believe part of that was because our service can be a difficult one to explain through outbound prospecting. Many potential customers are not already aware that a service like ours exists, so there is a significant amount of education involved before someone understands the value. What I can say confidently is that Munzai worked hard to try to make the relationship successful. They listened to our concerns, made adjustments, stayed engaged, and genuinely tried to help us succeed. I appreciated the effort, responsiveness, and integrity they demonstrated throughout the process.

    • Davey Warren 🍐
      Davey Warren 🍐 CEO at Pearagon
      5.0★

      Outbound Review from Davey Warren 🍐

      Munzai Solutions has been a great partner for our outbound outreach. What stood out most was their communication. They checked in with us daily and weekly, kept us updated every step of the way, and worked closely with us to identify our target clients and the best directions to pursue. That level of consistent communication made the whole engagement feel efficient and collaborative, and it is a big reason we felt we got the best bang for our buck. We enjoyed working with them and would recommend them to other companies looking for a communicative, responsive outbound partner.

    • Sam Bartow Moreno
      Sam Bartow Moreno Founding GTM Director at CourtNexa
      5.0★

      Appointment Setting Review from Sam Bartow Moreno

      Munzai Solutions are amazing to work with. They got started immediately and booked multiple meetings in the first few days. I’m very happy with the results and the support they offered us. If you’d like to ask any questions about the service feel free to contact me at +1 458 600 8797I’m very satisfied. And would highly recommend them.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Accounting, financial and IT advisors

    We are committed to saving you time and money under our outsourcing modality; as well as adapt your business to new technological trends...

    Top Services:

    • Call Centers
    • Accounting
    • Business Consulting
    • Mobile App Development
    • Software Development
    • Show more
    Location
    San Jose, Costa Rica
    Number of Employees
    Under 49
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $10,000 - $25,000

    I&L Consulting Services

    • Call Centers
    • Accounting
    • Business Consulting
    • Mobile App Development
    • Software Development
    • Web Design
    • IT Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Menina.ear
    • Novel-TI Consulting
    • Cardel
    • Abogada Alejandra Salazar
    Data sourced from the agency's DesignRush profile
  • AI workers, managed like staff

    The AR Dept is a managed AI staffing function. We build, deploy and manage Agent Resources, AI workers managed like staff, for owner-managed, admin-heavy businesses. We handle scoping, build, integration and ongoing management, so a business can take on more work without adding headcount...

    Top Services:

    • AI Development
    • Staff Augmentation
    • BPO
    • Customer Support
    • Phone Answering Services
    • Show more
    Location
    Manchester, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    1 Project Listed

    The AR Dept. Services

    • AI Development
    • Staff Augmentation
    • BPO
    • Customer Support
    • Phone Answering Services
    • Call Centers
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Adam Recruitment
    • Burton Beavan
    • Black Swan Law
    • Commited
    Data sourced from the agency's DesignRush profile
  • The call center of opportunities.

    Call center in Mexico based in Tijuana, Baja California that provides BPO and sales services...

    Top Services:

    • BPO
    • Call Centers
    • Phone Answering Services
    • Translation Services
    • Customer Support
    • Show more
    Location
    Tijuana, Mexico
    Number of Employees
    100 - 249
    Average Hourly Rate
    $14/hr
    Minimal Budget
    $10,000 - $25,000

    Cybercity Call Center Services

    • BPO
    • Call Centers
    • Phone Answering Services
    • Translation Services
    • Customer Support
    • HR Outsourcing
    • Digital Marketing
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Pfizer
    • TNA Global Company
    • Mitsouka Company
    Data sourced from the agency's DesignRush profile
  • Book More B2B Appointments, Faster

    DemandNexus helps B2B technology companies generate pipeline through appointment setting, ABM campaigns, intent marketing, lead generation, and multi-channel demand generation services...

    Top Services:

    • Public Relations
    • Digital Strategy
    • Digital Services
    • Advertising
    • Email Marketing
    • Show more
    Location
    Pune, India
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000

    DemandNexus Services

    • Public Relations
    • Digital Strategy
    • Digital Services
    • Advertising
    • Email Marketing
    • Direct Marketing
    • Call Centers
    • BPO
    • Market Research
    • Business Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Cloudaeon
    • Analytix Solution
    • Spectrum
    • NewFold
    • Idify
    Data sourced from the agency's DesignRush profile

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Agencies vetted
128,711+
2

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We review agency work, case studies, and results to confirm skill.

Applicants rejected
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3

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We monitor listings regularly; outdated agencies are removed.

Agencies verified
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See how rankings and monetization work.

5 Frequently Asked Questions About Call Center Providers

What services do call centers provide?

Call centers provide comprehensive services to support customer experiences and business operations. They generally fall under 5 categories: 

  • Inbound call center services: Handling incoming customer inquiries and needs, including customer support, technical troubleshooting, order tracking and returns, account updates, and billing inquiries.  
  • Outbound call center services: Conducting customer outreach activities, such as sales calls, lead generation, customer surveys, feedback collection, and appointment setting. 
  • Omnichannel call center services: Managing customer interactions across multiple channels, including phone, SMS messaging, social media, live chat, and email. 
  • Automated call center services: Using interactive voice response (IVR), chatbots, knowledge bases, and AI-based tools to resolve routine requests and support agents.  
  • Virtual call center services: Providing the above services through remote or geographically distributed teams using cloud contact center platforms (CCaaS), VOIP, and workforce management tools. 

Additionally, there are also specialized call centers that provide industry-specific services, such as insurance verification for healthcare and medical institutions, KYC checks for financial services, and citizen surveys for government agencies. 

What is the difference between multichannel, omnichannel, and optichannel support?

Multichannel aims to reach customers through multiple channels (e.g., voice, chat, email, and social), but channels operate independently with limited shared context, which can create inconsistent customer experiences.  

Omnichannel seeks to provide a consistent and continuous customer experience through all touchpoints by having a unified database and integrated system for conversation history and customer data. As a result, omnichannel strategies are often costly and require large teams to cover all customer channels. 

Optichannel focuses on prioritizing and routing customers to the most effective communication channel for specific inquiries, optimizing costs rather than maximizing presence. This strategy often selects the highest customer touchpoints by analyzing customer behavior, preferences, and market trends. 

How do these companies use AI?

Call center companies are using AI to improve contact center agent efficiency, service quality, and customer experience through the following: 

  • AI-driven self-service (e.g., conversational IVRs, chatbots, and virtual assistants) to handle end-to-end conversations and routine issues with minimal human involvement.  
  • AI agents assist live customer service representatives with real-time suggestions, knowledge-based answers, and automated wrap-up notes. 
  • Performance monitoring using speech-text analytics to evaluate agent-client interactions, flag issues, and recommend coaching actions. 
  • Predictive analytics to anticipate high contact volumes, staffing needs, and customer drivers (e.g., repeat contacts and churn risk). 
  • Intelligent call routing that uses intent detection and customer context to route inquiries to the right department or expert. 

How to decide between outsourcing call centers vs. in-house call centers?

The answer depends on your support complexity, demand volatility, compliance needs, desired control, and internal team capabilities. Below is a cost-benefit analysis to help you: 

 Outsource call centersIn-house call centers
Advantages
  • Lower infrastructure and employee costs 
  • Faster ramp and easier 24/7 coverage 
  • Access to proven process and multilingual talent 
  • Scale up and down more quickly
  • Greater control over hiring, training, and culture 
  • Tighter governance and direct oversight 
  • Easier alignment to product changes and internal stakeholders 
Disadvantages
  • Less direct control over day-to-day execution 
  • Requires strong onboarding and training to match brand standards 
  • Risk of inconsistent performance if governance is weak 
  • Higher fixed costs (management, recruiting, tools, and facilities) 
  • Slower to scale, especially during peak seasons
  • Requires significant investment for 24/7 coverage
Best for
  • Brands with fluctuating customer support volumes 
  • Organizations needing fast rollout, 24/7 coverage, or multi-lingual coverage 
  • Businesses looking for affordable customer support solutions 
  • Organizations that want greater control and operate in a highly regulated environment 
  • Companies with high complexity support tied closely to product 
  • Startups and small businesses with small customer service demand 

When to choose offshore, onshore, or nearshore providers?

Onshore call centers operate within the same country as your business, enabling better time-zone overlap, cultural alignment, and ease of management through site visits and tighter governance. However, they often have higher costs and, in some markets, it is harder to hire at scale. 

Choose onshore call center companies if you want higher control, strong brand alignment, and close collaboration with internal teams. 

Nearshore call center companies are located near your country or region, making them more cost-effective than onshore and easier to collaborate with than offshore. While time zone and cultural alignment are not guaranteed, many providers build teams around your processes, language needs, and operating hours. 

Choose nearshore if you want to balance cost, collaboration, and operational control. 

Offshore call center providers are based in distant countries and are often selected for cost efficiency, scale, and 24/7 coverage. However, cultural and linguistic barriers, time zone compatibility, and limited quality control can be issues. 

Choose offshore call center companies if you need scalable coverage, multilingual capacity, and can operate effectively with structured governance, documented workflows, and strong QA.