Our expert analysts have ranked rank the top outbound call center companies that manage outbound calls and services on behalf of their business clients. Filter the agencies by price, location, portfolio, size and more criteria to find the most suitable one for your particular business needs.
Best Outbound Call Center Services
5 Companies-Rankings updated: September 04, 2026
DesignRush evaluates all call center providers based on its expertise, success stories, and verified client reviews. Some listings may be paid.
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
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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
Munzai Solutions Services
Customer Support
Business Consulting
Call Centers
Email Marketing
CRM Consulting
Managed Services
BPO
Phone Answering Services
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Souqh
Maxyfi
Konch
Skriber
Data sourced from the agency's DesignRush profile
Munzai Solutions Reviews & Testimonials
Davey Warren 🍐
CEO at Pearagon
5.0★
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.
Sam Bartow Moreno
Founding GTM Director at CourtNexa
5.0★
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 8797
I’m very satisfied. And would highly recommend them.
Brian Oltmanns
CEO at GoFindBuild
5.0★
Call Centers Review from Brian Oltmanns
I am very happy with this team and their performance. They were organized, provided consistent updates, and always made suggestions to pivot if results were falling short. I would highly recommend them.
Reviews verified by DesignRush and sourced from the agency's profile
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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
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Location
Lexington, Kentucky
Number of Employees
1000 & Up
Average Hourly Rate
$25/hr
Minimal Budget
$10,000 - $25,000
Portfolios Count
17 Projects Listed
Helpware Services
Customer Support
BPO
Call Centers
Phone Answering Services
Business Consulting
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
DoorDash
PureCars
Headspace
Microsoft
Google
CompIQ
Samsara
Jam City
RestoraPet
HealthComp
Data sourced from the agency's DesignRush profile
Helpware Reviews & Testimonials
Maria Maidana
Customer Onboarding & Enablement Manager at SquadLocker, Inc
5.0★
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!
Brian Agee
Director of Sales & Marketing at Petro Towery
5.0★
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.
Brian Lubeck
Broker at Cypress Property Group
5.0★
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
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Martal Group runs outsourced B2B cold calling, appointment setting, lead generation, and SDR programs for companies across SaaS, fintech, cybersecurity, healthcare, and manufacturing, powered by 200+ onshore sales executives and proprietary AI outreach...
Top Services:
Email Marketing
Digital Marketing
Social Media Marketing
BPO
Digital Strategy
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Location
Toronto, Canada
Number of Employees
50 - 99
Average Hourly Rate
$45/hr
Minimal Budget
$10,000 - $25,000
Portfolios Count
5 Projects Listed
Martal Group Services
Email Marketing
Digital Marketing
Social Media Marketing
BPO
Digital Strategy
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Clickworker.com
Incentives-Solutions.com
Semasio.com
Kipod.com
Favendo.com
Weezmo.com
Intech-Global.com
NemoNano.com
Indoorgo.com
Vidmind.com
Data sourced from the agency's DesignRush profile
Martal Group Reviews & Testimonials
Nidhi Jaiswal
Marketing Executive at Social Frontier
5.0★
Marketing Review from Nidhi Jaiswal
From the very start, their team was very professional, communicated in a timely manner, and was very familiar with B2B lead generation. We were just surprised at their team culture and their desire to work hand-in-hand with our team. It felt like they were not an external vendor but a true partner in all respects.
Throughout our working time together, Martal always produced excellent work while keeping us informed and engaged. They are solution-oriented, proactive, and willing to share ideas that enhance performance. It is not often that you find a team that is so concerned about your success.
What we value most is their honesty and commitment to building something that will last. They don't seek quick wins but work to build outcomes that last and can potentially expand. With their experience combined with a well-structured plan, they are a reliable and outcome-driven collaborator.
If you need to reach more customers and you would like to have a company that is concerned about your success, you can rely on Martal Group. We highly recommend that you use their services.
Anas Aftab
Outreach Manager at Get Pro Links
5.0★
Digital Marketing Review from Anas Aftab
Working with Martal Group has been an absolute pleasure. Their team is collaborative and transparent and consistently delivers on their commitments with professionalism and expertise. From the start, it was clear they are passionate about building meaningful and lasting business relationships.
What stands out most is their willingness to go above and beyond. Whether its sharing valuable insights, offering timely support, or simply being approachable and helpful, Martal Group has proven to be a reliable partner. Their depth of knowledge in the B2B space, paired with a genuine dedication to helping businesses grow, makes them a standout organization.
If you're looking for a team that values collaboration, transparency, and long-term success, Martal Group is an excellent choice.
Doug McLean
VP of Global Sales and Channels at Complete EDI
5.0★
Call Centers Review from Doug McLean
Martal Group was able to facilitate Complete EDI’s first ever outbound lead generation efforts in the company’s history. Following the onboarding process, Martal was able to deliver 2 sales-qualified leads within the second week of campaigns and by the end of the 3 month pilot period had 14 sales-qualified leads.
Reviews verified by DesignRush and sourced from the agency's profile
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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
1 Project Listed
AcquireOne Services
Call Centers
Email Marketing
Direct Marketing
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Jotform
Synaos
Everspring
ComControl
Payt
ANG
Tribe
Data sourced from the agency's DesignRush profile
AcquireOne Reviews & Testimonials
Katharina Müller
Business Development Manager at comcontrol
5.0★
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
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Vahue is an AI transformation consultancy and engineering company that helps startups and scaling enterprises become AI-native through team augmentation, workforce training, and enterprise AI systems. The company combines AI-native engineering talent, practical upskilling programs, and custom AI solutions to...
Top Services:
AI Development
Staff Augmentation
Software Development
SEO
Web Development
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Location
London, United Kingdom
Number of Employees
Under 49
Average Hourly Rate
$50/hr
Minimal Budget
$10,000 - $25,000
Vahue Services
AI Development
Staff Augmentation
Software Development
SEO
Web Development
Mobile App Development
Web Design
Branding
eCommerce Development
Customer Support
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts