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.

AcquireOne
VerifiedVerified by the DesignRush team for authenticity and credibility.Modular B2B Sales Execution
AcquireOne helps international B2B companies successfully enter and grow in the German speaking market through strategic sales outsourcing. We combine market entry strategy, outbound prospecting, cold calling, email outreach and LinkedIn campaigns to generate qualified sales opportunities without the need to...
Top Services:
- Call Centers
- Email Marketing
- Direct Marketing
- Location
- Berlin, Germany
- Number of Employees
- Under 49
- Average Hourly Rate
- $75/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 4 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsAcquireOne Services
Data sourced from the agency's DesignRush profileJotform Synaos Everspring ComControl Payt ANG Tribe
AcquireOne Reviews & Testimonials

Appointment Setting Review from Katharina Müller
With AcquireOne, we've finally built a functioning system for our lead generation. Appointments are reliably scheduled and kept with a current show rate of 98%. I can recommend the company for B2B appointment setting.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsSDR 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
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsMunzai Solutions Services
Data sourced from the agency's DesignRush profileSouqh Maxyfi Konch Skriber
Munzai Solutions Reviews & Testimonials

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.

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.

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 ReviewsEnd-to-end CX solutions that delight customers.
Helpware CX is a call center company that runs inbound and outbound call centers across 19+ locations in 11 countries, supporting 45+ languages. The agency posts 90% CSAT and holds 30+ industry awards including the IAOP Global Outsourcing 100 and a Gold Stevie Award. Clients average a 5-year partnership...
Top Services:
- Customer Support
- BPO
- Call Centers
- Phone Answering Services
- Business Consulting
- Show more
- Location
- Lexington, Kentucky
- Number of Employees
- 1000 & Up
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 17 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsHelpware Services
Data sourced from the agency's DesignRush profileDoorDash PureCars Headspace Microsoft Google CompIQ Samsara Jam City RestoraPet HealthComp
Helpware Reviews & Testimonials

Customer Support Review from Maria Maidana
Helpware has been a trusted partner for SquadLocker for several years now for customer success. Our Customer Onboarding Team continues to shine through every administrator that interacts via our Live Chat channel for store help. Anzhelika is my Onboarding Lead and we work hand in hand in making any and all decisions for team enhancements. She delights both DIY and Enterprise administrators across multiple channels here at SquadLocker. I would not be as successful without Anzhelika by my side. I forsee using Helpware for years to come!

Web Design Review from Brian Agee
My organization contracted with Helpware for a complete website design and build. I am extremely happy with the finished product and continually receive positive feedback from customers, vendors, and employees. The Helpware team was very professional throughout the entire process and did an incredible job keeping the project on time and on budget. Communication was also great and I really appreciated their consultative approach. I would recommend without hesitation.

Virtual Assistant Review from Brian Lubeck
Over the past five years, I've had the privilege of partnering with Helpware, and my experience has been nothing short of exceptional. Their commitment to efficiency and cost-effectiveness has consistently impressed me. Whether you're a startup or an established enterprise, Helpware offers tailored virtual assistant solutions that work well with any company. I highly recommend them to anyone looking to hire a virtual assistant.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsWe Know Your Customers and Your Markets.
We help b2b tech companies generate more opportunities and close more deals. Our expertise lies in both execution of sales development campaigns and at the same time working closely with founders and sales leaders to help them take the best out of every conversation and increase the number of deals they...
Top Services:
- Call Centers
- Location
- Ogden, Utah
- Number of Employees
- Under 49
- Average Hourly Rate
- $300/hr
- Minimal Budget
- $10,000 - $25,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsMarketStar Services
Data sourced from the agency's DesignRush profileB2B Industry IT Industry Retail Industry
MarketStar Reviews & Testimonials
Daniel Kasimow's Review Sourced from Google
Bro The deceptive advertising This company 😂 is doing on Indeed in this rachet economy for the worst sales office 🏬 job around horrible sales 😫 people makes scientology look like a brilliant idea hell 🙅♂️ no
Tony Hotard's Review Sourced from Google
They never return my emails or phone calls. Only thing I have to say about it.
Jenney Feliciano's Review Sourced from Google
When I walked in I felt like I was at home. So warm and welcoming! Great people!
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsAble Customer Success Managers Ready to Work
Trained specialists for delivering positive customer experience allowing you to remain on top of your customers' minds. Outsourced customer support, technical reporting, and back office virtual assistants trained solely to provide upper edge to your overall business...
Top Services:
- Call Centers
- Digital Marketing
- Customer Support
- Location
- Los Angeles, California
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $9/hr
- Minimal Budget
- $10,000 - $25,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsSupportonic_CX Services
Data sourced from the agency's DesignRush profileJanitorial Leads Pro All City Duct Cleaning HVAC Leads Pro MCA Leads Pro Cleaning Leads Pro Solar Leads Hub
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
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsThe AR Dept. Services
Data sourced from the agency's DesignRush profileAdam Recruitment Burton Beavan Black Swan Law Commited
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
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsATM Group Services
Data sourced from the agency's DesignRush profileBoots Opticians Vodafone Ziggo Old Mutual
ATM Group Reviews & Testimonials
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'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'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 ReviewsIt's Easy to do Business with Us
A proud member of the Equicom Group, a Filipino conglomerate, Equicom Services, Inc. - EquiServe is a trusted business process outsourcing (BPO) provider established in 2011. With over 1,000 employees, EquiServe is headquartered in Makati City, Philippines and we operate across multiple locations, including...
Top Services:
- BPO
- Call Centers
- Customer Support
- IT Services
- CRM Consulting
- Show more
- Location
- Makati, Philippines
- Number of Employees
- 1000 & Up
- Average Hourly Rate
- $10/hr
- Minimal Budget
- $10,000 - $25,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsEquicom Services, Inc. Services
Data sourced from the agency's DesignRush profileHealth Care Industry Finance Industry Insurance Industry
Delivering the best solutions with AI
Our mission is to empower businesses with AI voice and chat agents that never miss a call, provide natural human-like conversations, and reduce operational costs all while improving customer satisfaction and efficiency.Our solutions help companies improve productivity, deliver exceptional customer...
Top Services:
- Software Development
- AI Development
- Digital Services
- Web Development
- Digital Marketing
- Show more
- Location
- Durham, North Carolina
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $10,000 - $25,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsVocal Engine AI LLC Services
Data sourced from the agency's DesignRush profileHeather Evans Jacob Shaw James Torrie
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
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsDemandNexus Services
Data sourced from the agency's DesignRush profileCloudaeon Analytix Solution Spectrum NewFold Idify
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Why companies trust DesignRush
Every agency is independently vetted before it can be listed or ranked
Some agencies pay for sponsored placement, clearly labeled and held to the same vetting standards.
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 |
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| Disadvantages |
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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.








