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.
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
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 ReviewsContact Center Services for Telecom, BFSI, Healthcare, Utilities, Travel, High-Tech Growth
With over 20 years of industry experience and a client base of 190+ companies spanning multiple sectors, Fusion CX Group is a trusted provider of top-notch call center and customer care services...
Top Services:
- BPO
- Business Consulting
- Call Centers
- Location
- Norcross, Georgia
- Number of Employees
- 1000 & Up
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 3 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsFusion CX Services
Data sourced from the agency's DesignRush profileMeesho CraftJack HomeAdvisor
Fusion CX Reviews & Testimonials

BPO Review from Undisclosed
By utilizing the vendor and its state-of-the-art soundboarding technology, we have been able to reach leads in both an effective and efficient manner. It saved us the headache and massive expense of developing and in-house outreach program.

BPO Review from Undisclosed
This company has been a godsend. We were wasting so much money on our in-house outreach. Now, it does all the heavy lifting for us, qualifying our leads and sending us warm transfers.

BPO Review from Undisclosed
Great experience with this BPM Services Provider. They do the two things that matter most to us. They perform and they communicate. The vendor is a major upgrade professionally from our previous vendors. They are responsive to all of our needs!
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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 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 ReviewsProcess For Success
We are not an opportunistic marketing or communication agency. We are inbound marketing and SEO professionals with real processes...
Top Services:
- SEO
- Digital Marketing
- Call Centers
- Location
- Paris, France
- Number of Employees
- Under 49
- Average Hourly Rate
- $116/hr
- Minimal Budget
- $10,000 - $25,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsInbound Value Services
Data sourced from the agency's DesignRush profileDS Smith Food Corner Finance Watch
Inbound Value Reviews & Testimonials
Loick TANGUY's Review Sourced from Google
We work with INBOUND VALUE on long term bases as the external team helping us to managed all our INBOUND STRATEGY : content/workflow/reporting. The team is really professional and easy to work with . It's a great pleasure to feel confident and safe when you want to manage an automation marketing strategy. Loick TANGUY : CMO Epresspack
James McCarthy Toia's Review Sourced from Google
A great team behind Marc that really helped our team sharpen and refine our messaging. Especially helpful with HubSpot Inbound coming up this month!
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsTotal Customer Delight
Scicom (MSC) Bhd is a leading business process outsourcing (BPO) company that provides business consulting, information technology and outsourcing services in Malaysia...
Top Services:
- Call Centers
- BPO
- HR Outsourcing
- Phone Answering Services
- Digital Marketing
- Show more
- Location
- Kuala Lumpur, Malaysia
- Number of Employees
- 1000 & Up
- Minimal Budget
- $10,000 - $25,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsScicom MSC Berhad Services
Data sourced from the agency's DesignRush profilena na1 na2
Growth Through Servant Leadership
Etech is an omnichannel customer engagement solutions provider for some of the world’s leading and most respected brands. The experience Etech has gained across a wide range of business verticals allows us to continuously deliver exceptional, personal customer experiences...
Top Services:
- BPO
- Call Centers
- Customer Support
- Business Consulting
- Show more
- Location
- Nacogdoches, Texas
- Number of Employees
- 1000 & Up
- Average Hourly Rate
- $45/hr
- Minimal Budget
- $10,000 - $25,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsEtech Services
Data sourced from the agency's DesignRush profileFintech Industry Retail Industry Hospitality Industry
Etech Reviews & Testimonials
Haley E C's Review Sourced from Google
If only I had something nice to say but mom always said if you can't say nothing nice don't say nothing at all.
Charles Symmonds's Review Sourced from Google
This company operates in violation of the law, calling numbers registered on the national DO NOT CALL list. The fact that people bother to register should be indication enough that your telemarketing calls are unwelcome.This is not the sign of a reputable company you should consider partnering with.
rahil jain's Review Sourced from Google
Scammers! The person calling posed as Customer Service representative for my ISP. I had recently placed an order with my ISP and the caller knew about it. The person demanded that I pay the entire amount now otherwise the order wouldn't process. I argued saying that the rep yesterday said I don't have to pay until the service gets started. To which he replied that that's not how it works and I have to pay now otherwise they will sue me. I said call me back in half an hour and I will have my payment information ready. I didn't answer when I got the call back.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsEvery Click Counts
Mobile & Desktop Performance Marketing Agency...
Top Services:
- Call Centers
- Digital Marketing
- Location
- Tel Aviv, Israel
- Number of Employees
- Under 49
- Minimal Budget
- $10,000 - $25,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsClicxy Services
Data sourced from the agency's DesignRush profileLazada Kasamba Rappi NordVPN Root Insurance
Able 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
Nearshore technology simplified
At Polytropic, we help you find the best nearshore software development partner in Latin America and kickstart a successful relationship. We have proven experience and a deep understanding of how to select and optimize collaboration in order to deliver software development projects in a nearshore model, from...
Top Services:
- Software Development
- AI Development
- Software Testing
- Big Data Analytics
- Cloud Consulting
- Show more
- Location
- Medellin, Colombia
- 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 accountsPolytropic Services
Data sourced from the agency's DesignRush profileMulesoft Splunk CoreOS
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
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsI&L Consulting Services
Data sourced from the agency's DesignRush profileMenina.ear Novel-TI Consulting Cardel Abogada Alejandra Salazar
International Business Matchmaking Across 60+ Countries Since 2008
Since 2008 Lava IP International Pte Ltd has delivered fast, reliable, efficient, and highly effective International B2B Appointment Setting, Business Meeting Scheduling, International Business Development, Remote Meeting Setup and Global Business Matchmaking solutions across 60+ countries for clients from...
Top Services:
- Digital Marketing
- Advertising
- Market Research
- Call Centers
- Branding
- Show more
- Location
- Singapore, Singapore
- Number of Employees
- Under 49
- Minimal Budget
- $10,000 - $25,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsLava IP International Services
Data sourced from the agency's DesignRush profileSwitzerland Global Enterprise Enterprise Ireland Singapore Business Federation
Get Ready for a Sales Boost
LGI stands at the forefront of sales readiness, creating an unrivaled bridge between businesses and potential customers. With a savvy combination of telephone appointment setting, market research surveys and webinar registrations, our clients benefit from seamless connections with their ideal audience...
Top Services:
- Market Research
- Call Centers
- Email Marketing
- Location
- Burnaby, Canada
- Number of Employees
- Under 49
- Average Hourly Rate
- $99/hr
- Minimal Budget
- $10,000 - $25,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsLead Generators International® Services
Data sourced from the agency's DesignRush profileSAP Oracle Salesforce.com TD Waterhouse Freedom 55 Financial (London Life)
B2B Marketing, Sales & Business Development
SalesSource is a specialised agency focusing on B2B marketing, inbound lead generation, sales, SEO, content and business development strategy. Get in touch with us now!...
Top Services:
- Content Marketing
- Digital Marketing
- Email Marketing
- Call Centers
- Show more
- Location
- Utrecht, Netherlands
- Number of Employees
- Under 49
- Average Hourly Rate
- $99/hr
- Minimal Budget
- $10,000 - $25,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsSalesSource Services
Data sourced from the agency's DesignRush profileHey Honey Admiral Media Sitcht.io
Your Digital Marketing Tribe
Solus Agency is a mission-driven team of blockchain & fintech marketing devotees who specialize in developing and promoting brands. Through intricate strategies such as growth hacking, we strive to generate leads that create powerful networks around new projects. Ultimately, our goal is for our clients’...
Top Services:
- Market Research
- Call Centers
- Social Media Marketing
- Digital Marketing
- IT Services
- Show more
- Location
- L'viv, Ukraine
- Number of Employees
- Under 49
- Average Hourly Rate
- $49/hr
- Minimal Budget
- $10,000 - $25,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsSolus Agency Services
Data sourced from the agency's DesignRush profileWaves.Exchange Xena Exchange EMCD Onlife LGG
Gain Insight with Us
Clever Digital Marketing delivers exceptional digital marketing solutions. Our passion is helping brands achieve sustained growth. We've become a leading Toronto agency by mastering the features of Facebook and Google advertising so that every campaign delivers real results - no wasted dollars! Our team works...
Top Services:
- Social Media Marketing
- Digital Marketing
- PPC
- Call Centers
- Show more
- Location
- Vaughan, Canada
- Number of Employees
- Under 49
- Minimal Budget
- $10,000 - $25,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsClever DM Services
Data sourced from the agency's DesignRush profileIT Industry Small Business Industry Commercial Industry
Providing industry-leading call center services for over 33 years.
CTC TeleServices is a highly experienced staff with cutting-edge technologies. We take a straightforward approach to every customer engagement and deliver industry-leading outcomes! Our clients credit CTC's timeliness, innovation, and strict attention to quality for the success of their initiatives. TC offers...
Top Services:
- Call Centers
- Location
- Sycamore, Illinois
- Number of Employees
- Under 49
- Average Hourly Rate
- $24/hr
- Minimal Budget
- $10,000 - $25,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsCTC Teleservices Services
Data sourced from the agency's DesignRush profileMarketing Industry Small Business Industry Call Center Industry
The World's Top Talent for Remote Teams!
1840 & Company is a global provider of talent and team solutions devoted to empowering businesses with scalable, on-demand workforce solutions. With a stringent verification procedure and a network of professionals in 150 countries, we connect organizations with remote talent of the highest caliber. Our...
Top Services:
- BPO
- Staff Augmentation
- HR Outsourcing
- Customer Support
- Call Centers
- Show more
- Location
- Overland Park, Kansas
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $10/hr
- Minimal Budget
- $10,000 - $25,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts1840 & Company Services
Data sourced from the agency's DesignRush profileGroupon Isango Instacart HomeLight LearnZillion
1840 & Company Reviews & Testimonials
Princess's Review Sourced from Google
I wanted to take a moment to share my experience going through the hiring process here, because it genuinely blew me away. We’ve all been through frustrating interview cycles, but this was the exact opposite. From day one, the entire process was incredibly smooth and stress-free.What really made an impression on me was how professional, kind, and down-to-earth the team was. During my interviews, it didn't feel like a rigid interrogation; instead, it felt like a great, two-way conversation. They genuinely cared about my career goals and took the time to answer all of my questions.Communication was amazing, too. I was never left hanging or wondering what the next steps were, which I appreciated so much. Walking away from the process, I just felt valued as a person, not just a resume. I am so excited to be joining such a thoughtful and professional team!
Kassayndra Meyer's Review Sourced from Google
Highly professional and incredibly responsive throughout the entire recruiting process! They made everything seamless, kept me well-informed at every step, and truly care about finding the right fit. I highly recommend them.
Jaylord Briones's Review Sourced from Google
I had a great experience with 1840 & Company throughout the recruitment and onboarding process. The team was professional, responsive, and transparent at every stage. Communication was clear, and they kept me informed regarding the next steps and requirements. I especially appreciated the support and guidance provided by the recruiters, which made the process smooth and stress-free. Their professionalism and efficiency left a very positive impression, and I am excited to begin my journey with the company. I highly recommend 1840 & Company to professionals seeking remote and global career opportunities.
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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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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| Best for |
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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.

















