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 ReviewsDrive Costs From Your Business
Headquartered in Atlanta, GA, Group9 specializes in finding the right cloud, collaboration, infrastructure, security and managed services providers to match your company's specific business and technology needs. From carrier, cloud, security, software, mobile, IoT and infrastructure services to contract...
Top Services:
- Cloud Consulting
- Cybersecurity
- Managed Services
- IT Services
- IT Compliance Solution
- Show more
- Location
- Atlanta, Georgia
- Number of Employees
- Under 49
- Minimal Budget
- $10,000 - $25,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsGroup9 Communications Services
Data sourced from the agency's DesignRush profileEBSCO Smartasset PointeNorth Insurance RWC Cafe Valley Logistics Plus Bausch + Lomb McHenry Savings Hahn Automotive MSA Safety
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
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsCybercity Call Center Services
Data sourced from the agency's DesignRush profilePfizer TNA Global Company Mitsouka Company
Run Your Business. We'll Handle the Rest.
Top Virtual Assistant is a remote staffing and virtual assistant service provider helping businesses streamline daily operations, reduce administrative workload, and scale their teams...
Top Services:
- Phone Answering Services
- Business Consulting
- Call Centers
- AEO
- Digital Marketing
- Show more
- Location
- Philadelphia, Pennsylvania
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $60/hr
- Minimal Budget
- $10,000 - $25,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsTop Virtual Assistant Services
Data sourced from the agency's DesignRush profileIONOS Mentor Makerspace Prize Pop
Call Centers Specializations
Services Related to Call Centers
Popular Services
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 |
|
|
| Disadvantages |
|
|
| Best for |
|
|
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.




