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. 

Manufacturing × $25,000 - $50,000 ×
  • Accelerating Sales. Driving Growth.

    Excelerate360 offers end-to-end sales services, providing support and resources to our clients at each stage of the sales cycle. We act as a partner and extension to your company, helping to accelerate your business growth...

    Top Services:

    • Call Centers
    Location
    Hitchin, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $300/hr
    Minimal Budget
    $25,000 - $50,000

    Excelerate360 Services

    • Call Centers
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Prighter
    • Joyce Solutions Ltd
    • Little Pay
    • One Beyond
    Data sourced from the agency's DesignRush profile

    Excelerate360 Reviews & Testimonials

    • Charles Talbot
      Charles Talbot Review from Google
      5.0

      Charles Talbot's Review Sourced from Google

      We have worked with the Excelerate360 team on several occasions - they stay ahead of the tech curve to deliver their services, always bring solid advice and pride themselves on being realistic rather than selling unachievable results. We value integrity and openness, and that is why we like working with them. They do a very tough job and they do it very well. A supplier that can be trusted.

    • Laurie Mascott
      Laurie Mascott Review from Google
      5.0

      Laurie Mascott's Review Sourced from Google

      Our company works with Gavin and The Team at Excelerate360. Why ? Because they are excellent and deliver on an agreed outcome. In fact they are so good we now refer many of our clients to them and all have been extremely pleased with their service.

    • Ian Collins
      Ian Collins Review from Google
      5.0

      Ian Collins's Review Sourced from Google

      E360 offer a great set of services especially valuable for early stage businesses that don’t have the cash to hire a full time sales guy or team or don’t want to make that commitment. But regardless you are tapping into a team that can help you get your sales playbook nailed and generate early revenues. Gavin has been helping us build a pipeline in a new sector and it’s like working with your own team, fully integrated and committed. I honestly recommend these guys without hesitation.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Marketing Science Globally

    Voicentric are specialists in scientific marketing for Life and Materials Science companies. We deliver intelligent telemarketing and B2B lead generation that connects you directly with decision-makers worldwide. Our multilingual team excels at engaging scientists with complex technical information, building...

    Top Services:

    • Direct Marketing
    • Call Centers
    • Digital Marketing
    • Advertising
    • Event Marketing
    • Show more
    Location
    Durham, United Kingdom
    Number of Employees
    50 - 99
    Average Hourly Rate
    $47/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    5 Projects Listed

    Voicentric Services

    • Direct Marketing
    • Call Centers
    • Digital Marketing
    • Advertising
    • Event Marketing
    • Market Research
    • Phone Answering Services
    • Customer Support
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Food and Beverage Industry
    • Corporate Services Industry
    • Health Care Industry
    Data sourced from the agency's DesignRush profile

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. 

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