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. 

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  • Leading Virtual Assistant Services Provider

    Express Virtual Assistant (EVA) is a globally managed virtual workforce solutions provider that helps businesses streamline operations through structured, performance-driven support systems. Founded in 2004 as a subsidiary of Flatworld Solutions, EVA goes beyond traditional outsourcing by offering a...

    Top Services:

    • BPO
    • Creative Services
    • Graphic Design
    • Logo Design
    • Design Services
    • Show more
    Location
    Princeton, New Jersey
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $8/hr

    Express Virtual Assistant Services

    • BPO
    • Creative Services
    • Graphic Design
    • Logo Design
    • Design Services
    • Product Design
    • Content Marketing
    • eCommerce
    • Video Marketing
    • Call Centers
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • eCommerce Industry
    • Real Estate Industry
    • Software & IT Services Industry
    Data sourced from the agency's DesignRush profile
  • Global Support Redefined!

    IdeasUnlimited offers 24/7/365 inbound and outbound call center services, covering customer support, technical support, sales, and multilingual operations. Founded in 2010, the agency delivers offshore and remote support for global businesses across eCommerce, healthcare, real estate, and finance...

    Top Services:

    • Call Centers
    • Phone Answering Services
    • IT Services
    • BPO
    • Customer Support
    • Show more
    Location
    Sugar Land, Texas
    Number of Employees
    100 - 249
    Average Hourly Rate
    $10/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    2 Projects Listed

    IdeasUnlimited Services

    • Call Centers
    • Phone Answering Services
    • IT Services
    • BPO
    • Customer Support
    • Transcription Services
    • Market Research
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • BabeBox
    • PatPat
    • Sapphire
    • Messenio
    • Stevens Realty
    • Justin TV (now known as Twitch TV)
    Data sourced from the agency's DesignRush profile

    IdeasUnlimited Reviews & Testimonials

    • Kimberly Weber President and Founder at Iowa Home Care
      5.0

      BPO Review from Kimberly Weber

      We brought on IdeasUnlimited to help with our back office work so our nurses and staff could stay focused on clients. They handle scheduling, reports, emails, and client inquiries, and they picked up new tasks fast with very little training. The time we save is huge, and it makes our daily operations smoother. What I like most is they really try to fit into how we work, so it feels like they are part of our own team. The onboarding took a little time, but once we got set, everything has been running well.

    • Miriam Woodward
      Miriam Woodward Founder President and CEO at De Dios Consulting
      5.0

      BPO Review from Miriam Woodward

      IdeasUnlimited has been a dependable partner for us at De Dios Consulting. They handle our scheduling, emails, research, and reports, which freed up time for us to focus on clients. What I value most is how quickly they adapt and how much they feel like part of our team. The only challenge was getting them up to speed on a few tools, but once they learned, everything has been smooth.

    • Jeffrey Bill
      Jeffrey Bill Founder & CEO at Sunrise Treatment Center
      5.0

      Medical Review from Jeffrey Bill

      Working with IdeasUnlimited has been a real help for us at Sunrise Treatment Center. We brought them in to handle our medical billing so our staff could focus more on patients. They learned our system fast and cut down on errors which meant we got paid quicker and had better cash flow. Communication has always been easy and they adjust when we need something changed. What stood out most is how detailed and reliable they are. Nothing is ever perfect but they came pretty close.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Support Operations Partner for High-Stakes Industries

    Simply Contact handles customer requests across 30 languages through 850+ agents, delivering omnichannel customer support, multilingual hubs, help desk outsourcing, back-office BPO, and AI-powered solutions. The European agency holds PCI DSS, ISO 27001, ISO 27701, HIPAA, and GDPR certifications...

    Top Services:

    • Customer Support
    • Call Centers
    • BPO
    • Phone Answering Services
    • Show more
    Location
    Warsaw, Poland
    Number of Employees
    500 - 999
    Average Hourly Rate
    $10/hr
    Portfolios Count
    5 Projects Listed

    Simply Contact Services

    • Customer Support
    • Call Centers
    • BPO
    • Phone Answering Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Wizz Air
    • Bolt
    • METRO Cash&Carry
    • Yves Rocher
    • Ditto Music
    • Airportr
    • Office of the President of Ukraine
    • Cabinet of Ministers of Ukraine
    • Fareportal
    • Token.io
    Data sourced from the agency's DesignRush profile

    Simply Contact Reviews & Testimonials

    • Oleksii Shapran
      Oleksii Shapran CEO at DrivEd
      5.0

      Customer Support Review from Oleksii Shapran

      We turned to Simply Contact to enhance support for our SaaS product users, and the cooperation fully met our expectations. The team quickly connected to our processes, took over the processing of incoming requests via email and the contact form on our website, and provided a high level of service. I would especially like to note the clear organization, attentive attitude to detail, and ability to adapt to our requirements. Support was provided in several languages, and all requests were processed promptly, within the stated SLA.

    • Ewa Danecka
      Ewa Danecka Head of Customer Experience at Wizz
      5.0

      Customer Support Review from Ewa Danecka

      We have chosen Simply Contact for their expertise and experience in the travel & airline industry. Now Simply Contact provides multichannel support for our customers in multiple languages. Our cooperation gives us a reliable foundation for further scaling of our customer service activities. We do recommend Simply Contact as a well-qualified and responsible partner.

    • Ольга Тушинська
      Ольга Тушинська Review from Google
      5.0

      Ольга Тушинська's Review Sourced from Google

      I have been working at Simply Contact for just over a year, came with zero experience in this field, and have tried different projects and roles. If you are motivated and ready to give your best, you can get promoted. If you are satisfied with your place, you can focus on strengthening your skills, like through corporate English lessons. But above all, having worked with a ton of Simply Contact's employees, I can tell for sure that the best thing is a friendly and open environment. The management is supportive and really takes our feedback into account, and our HR team always comes up with creative activities to build up our corporate spirit.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Your Partner in Operational Excellence

    CogentHub is a leading BPO firm dedicated to helping businesses overcome challenges through exceptional management consulting services. The firm leverages advanced technology and well-planned operations to enhance customer experiences and drive growth. With a passionate team of professionals, CogentHub...

    Top Services:

    • BPO
    • Call Centers
    • Phone Answering Services
    • Customer Support
    • HR Outsourcing
    • Show more
    Location
    Kolkata, India
    Number of Employees
    500 - 999
    Average Hourly Rate
    $10/hr

    CogentHub Services

    • BPO
    • Call Centers
    • Phone Answering Services
    • Customer Support
    • HR Outsourcing
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Retail Industry
    • Travel Industry
    • Ecommerce Industry
    Data sourced from the agency's DesignRush profile

    CogentHub Reviews & Testimonials

    • Ankita Banerjee
      Ankita Banerjee Review from Google
      4.0

      Ankita Banerjee's Review Sourced from Google

      I have worked in the company for four months. The environment was always positive. Salary credited on time. Trainer (Sushant Singh) ,Tls (Rudra Sen, Rana Chakraborty), Quality( Somendra Nath Ash ), even the manager, everybody were helpful all the time. Only glitch I felt,the processes they work with changes so frequently that at times, I found it challenging to stay engaged passionately with the work flow.

    • Nazre Alam
      Nazre Alam Review from Google
      4.0

      Nazre Alam's Review Sourced from Google

      I worked in this company about a month. The trainer (Sushaant Bhai), the team leaders (Rudra Da and Rana Da), the quality analyst (Sam Da), the manager (Joseph sir) , and the HR teams were all very supportive, and the salary process was smooth. The only issue was that the job role was not explained clearly — I was told it was a chat process, but it turned out to be a soundbox process, which I didn’t enjoy and I left the company after a month. Overall, a positive work culture with a helpful team. I believe that cIear communication about roles would make it even better.

    • Supriyo Mukherjee
      Supriyo Mukherjee Review from Google
      5.0

      Supriyo Mukherjee's Review Sourced from Google

      Last 1 1/2 year never received salary on 2nd, it was every day on 1 st, regarding management and managers they are ausome and they really teaches you the job.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Smarter Tech Real People Better Outcomes

    ATM Group is a customer operations and revenue outsourcing company. We deliver contact centre outsourcing, revenue generation programmes, multilingual support and AI-enabled optimisation in the UK, Europe and South Africa...

    Top Services:

    • BPO
    • Call Centers
    • Phone Answering Services
    • HR Outsourcing
    • Customer Support
    • Show more
    Location
    Leicester, United Kingdom
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $10,000 - $25,000

    ATM Group Services

    • BPO
    • Call Centers
    • Phone Answering Services
    • HR Outsourcing
    • Customer Support
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Boots Opticians
    • Vodafone
    • Ziggo
    • Old Mutual
    Data sourced from the agency's DesignRush profile

    ATM Group Reviews & Testimonials

    • Lale K
      Lale K Review from Google
      5.0

      Lale K's Review Sourced from Google

      I worked here for 3 months and my experience was (contrary to the reviews below) very nice, easy going. The management accommodated my personal circumstances and provided ease into adapting to the role, support was always available as well as humour and banter from colleagues. Perfect transition job from hospitality to office roles. Bonus points for progressing employees internally to higher roles accordingly.

    • An Ash
      An Ash Review from Google
      1.0

      An Ash's Review Sourced from Google

      How did managers help with a transfer of service for a customer who left review.Because at managements rule is to never disclose that they are calling from at management,they are only to represent and use their clients name. What’s even funnier is this customer was considered special from the rest. They were not only informed it was at management dealing with their service but they even knew the real names of the managers.Another common practice is staff and managers mostly use a dummy name not their real. But in this case even that info was provided to the customer. Must be a special customer that the normal practices were broken for them and they from millions of customers even took the time to write a review lol . Everyone laugh with me.

    • Tim Lee
      Tim Lee Review from Google
      5.0

      Tim Lee's Review Sourced from Google

      Both Adnan & Connor at AT Management were superb in their dealings with me over the transfer of a service when I was moving house. Nothing was too much trouble & their knowledge was very good. I’d have no hesitation in recommending these two individuals or AT Management

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Do More Than Business Development and Beyond

    DMT Business Development runs cold calling, appointment setting, and multichannel lead generation campaigns for B2B companies across 30 countries. The Ottawa-based agency has delivered 2M+ leads and 10,000+ appointments over 7 years, with clients averaging a 2-5% prospect-to-appointment conversion rate...

    Top Services:

    • BPO
    • Email Marketing
    • Call Centers
    • Digital Marketing
    • Content Marketing
    • Show more
    Location
    Ottawa, Canada
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    14 Projects Listed

    DMT Business Development Services

    • BPO
    • Email Marketing
    • Call Centers
    • Digital Marketing
    • Content Marketing
    • Market Research
    • Business Consulting
    • Direct Marketing
    • CRM Consulting
    • Social Media Marketing
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Biovision Diagnostics
    • Kandji
    • Productive
    • VOLA
    • YouTeam
    • CDS Global Cloud
    • Derm For Primary Care
    • Hubilo
    • Concordia University
    • Yodeck
    Data sourced from the agency's DesignRush profile

    DMT Business Development Reviews & Testimonials

    • Yana Okushko
      Yana Okushko Growth Manager at DreamX
      5.0

      Lead Generation Review from Yana Okushko

      Partnering with DMT Business Development turned out to be a real game-changer for us. Their team didnt just deliver leads they brought in the right conversations that actually converted. Within a short time, they secured 25 qualified meetings that had a direct impact on our pipeline and revenue. What stood out most was their professionalism - clear communication, full ownership of the process, and the feeling that they were part of our internal team rather than an external vendor. Their proactive mindset and attention to detail made every stage of the collaboration smooth and effective.

    • David  Morneau
      David Morneau Co-founder and CEO at inBeat Agency
      5.0

      Email Marketing Review from David Morneau

      We've found tremendous success in our projects with DMT Business Development, particularly in the area of Email Marketing. Their team consistently overdelivered not only in the quality of email content but also in driving measurable engagement and conversions through expertly crafted campaigns. What truly sets DMT Business Development apart is their exceptional combination of expert content creation, data driven strategy, and a deep understanding of audience behavior. Their email marketing solutions are strategically designed, results driven, and consistently outperform the competition. The team's expertise and dedication are evident in every campaign. They bring a high level of professionalism, creativity, and responsiveness, ensuring each email resonates with the target audience while meeting our marketing goals. We greatly value our partnership with DMT Business Development and look forward to achieving even greater success together. Highly recommended for businesses seeking impactful and focused email marketing solutions.

    • Vaysh  Kewada
      Vaysh Kewada CEO and Co-Founder at Salience Labs
      5.0

      Social Media Marketing Review from Vaysh Kewada

      Thanks to the dedicated efforts of DMT Business Development, our brand has experienced a noticeable increase in online visibility, consistent social media activity, and significantly improved engagement across platforms. Their strategic approach, community building tactics, and thorough performance analysis have all contributed to measurable success. What truly sets DMT apart is their ability to stay ahead of the ever changing landscape of Social Media Marketing. Their team demonstrates a deep understanding of evolving trends, algorithm updates, and best practices ensuring that our online presence remains optimized for both visibility and conversion. Beyond campaign execution, their expertise in keyword research and analysis has also brought substantial improvements to our websites search engine rankings, bridging the gap between social media activity and SEO performance. Equally impressive is DMTs commitment to transparency, proactive communication, and customer service. They consistently deliver outstanding results while remaining highly responsive to our goals and feedback. Their professionalism and alignment with our brand voice and identity are particularly noteworthy. DMT Business Development's passion for achieving remarkable outcomes and their dedication to staying at the forefront of the industry makes them an invaluable partner in Social Media Marketing. We are truly impressed by their impact and look forward to continued collaboration.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Keeping You In Touch.

    LHB Consulting, a London-based lead generation agency with two decades of experience, specializes in a range of services, including telesales, telemarketing, appointment scheduling, the creation and follow-up of email marketing campaigns, and data cleansing...

    Top Services:

    • Call Centers
    • Digital Marketing
    Location
    Uxbridge, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    Under $1,000

    LHB Consulting Services

    • Call Centers
    • Digital Marketing
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • FSL Events
    • GT Associates
    • Dolphin Group
    • Top Brand Cars
    • Manor House Autos
    • Route Trader
    • Tiger Like Events
    Data sourced from the agency's DesignRush profile

    LHB Consulting Reviews & Testimonials

    • George Webb
      George Webb Review from Google
      1.0

      George Webb's Review Sourced from Google

      *** SCAM ALERT *** I strongly advise staying away from this organisation. Ernest comes across as a nice person however he is extremely unprofessional and will not follow through on any professional or financial promises. PLEASE DO NOT USE.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews

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 centers In-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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