Top Third Party Verification Companies in the United States
196 Companies
List of the Top United States Third-Party Verification Companies
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Martal Group
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$1,000+$25 - $49 / hr250 - 999San Francisco, CAServices provided
10% Call Center Services70% Sales Outsourcing10% AI Agents +110% Email MarketingFocus Areas
100% Third party verificationSee all 108 projectsMartal Group is a lead generation company noted for its adept Contact Center Services, including telemarketing and outbound call center solutions. Reviewers highlight their ability to integrate with clients' teams, achieving significant ROI and meeting project goals. About 87% of feedback mentions their responsiveness and adaptability, while some note areas for improvement in transparency and optimizing messaging strategies.
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$1,000+$25 - $49 / hr250 - 999Orlando, FL
Services provided
50% Call Center Services30% Customer Service Outsourcing10% Back Office Outsourcing +110% StaffingFocus Areas
15% Third party verification75% B2C Telemarketing & telesales10% Customer Surveys & Market Research CallsSee all 34 projectsXACT is a comprehensive provider of Contact Center Services, offering solutions including Inbound and Outbound Call Center, Customer Support Services, and Telephonic Support. Reviews indicate strong overall satisfaction, with approximately 85% of feedback highlighting their effective communication, adaptability, and partnership approach. Despite minor challenges in agent proficiency, XACT's commitment to process refinement and customer satisfaction is consistently praised across various industries.
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$50,000+Undisclosed1,000 - 9,999American Fork, UT
Services provided
20% Call Center Services20% Back Office Outsourcing20% Customer Service Outsourcing +415% Finance & Accounting Outsourcing (FAO)10% Content Moderation Services10% Data Annotation Services5% HR OutsourcingFocus Areas
50% Third party verification45% Customer Surveys & Market Research Calls5% Collections Recovery ServicesSee all 4 projectsROI CX Solutions is a Contact Center Services provider specializing in Customer Support Services, Inbound and Outbound Call Center operations, and Telephonic Support. Overall, 100% of the reviewers highlight their flexibility, responsiveness, and ability to enhance customer satisfaction through efficient call handling and issue resolution, demonstrating significant improvements in metrics like first response time and customer satisfaction scores.
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$10,000+< $25 / hr250 - 999Overland Park, KS
Services provided
15% Call Center Services20% Customer Service Outsourcing20% HR Outsourcing +315% Back Office Outsourcing15% Finance & Accounting Outsourcing (FAO)15% Sales OutsourcingFocus Areas
25% Third party verification25% B2C Telemarketing & telesales25% Collections Recovery Services +125% Customer Surveys & Market Research CallsSee all 15 projects1840 & Company is a contact center service provider specializing in inbound and outbound call handling, customer support, and telemarketing services. Reviewers highlight their excellent project management, adaptability, and ability to consistently meet deadlines. Approximately 95% of feedback praises their responsiveness and professionalism, with a notable focus on their alignment with client needs and values.
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$1,000+< $25 / hr50 - 249Berkeley, CA
Services provided
20% Call Center Services40% Back Office Outsourcing20% Customer Service Outsourcing +120% Sales OutsourcingFocus Areas
20% Third party verification40% B2C Telemarketing & telesales20% Collections Recovery Services +120% Customer Surveys & Market Research CallsSee all 36 projectsWing Assistant is a company specializing in Customer Support Services, including Inbound Call Center and Customer Care Services. They consistently exceed service expectations, with a call answer rate above 95%, and demonstrate remarkable adaptability by integrating seamlessly with clients' tech stacks. Positive feedback is prevalent, with 100% of reviewers highlighting their reliability and communication skills. Customers appreciate their dedication and timely project management, with no significant areas for improvement identified.
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UndisclosedUndisclosed10 - 49King of Prussia, PA
Services provided
50% Call Center Services20% Customer Service Outsourcing15% Back Office Outsourcing +115% Sales OutsourcingFocus Areas
33% Third party verification34% B2C Telemarketing & telesales33% Customer Surveys & Market Research CallsSee all 50 projectsSpecialty Answering Service is a Contact Center Services provider offering Call Handling and Customer Support Services, specializing in Inbound and Outbound Call Center operations. Overall, 87.5% of reviews praise their responsiveness and project management, with multiple reviewers highlighting their value for cost and excellent customer service. However, 12.5% noted areas like communication skills needing improvement.
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$1,000+< $25 / hr50 - 249Las Vegas, NV
Services provided
10% Call Center Services75% Sales Outsourcing10% Content Marketing +15% Email MarketingFocus Areas
10% Third party verification65% B2C Telemarketing & telesales25% Customer Surveys & Market Research CallsSee all 50 projectsLeadium is a company specializing in outbound call center and telemarketing services, offering expertise in lead generation, appointment setting, and customer engagement strategies. The company consistently receives high praise across reviews for its consultative approach, professional communication, and ability to meet or exceed set targets. Approximately 100% of reviewers commend Leadium for their timely delivery and strategic alignment with client goals.
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$5,000+< $25 / hr250 - 999Miami Beach, FL
Services provided
10% Call Center Services50% Back Office Outsourcing30% Customer Service Outsourcing +110% Sales OutsourcingFocus Areas
15% Third party verification45% Collections Recovery Services30% B2C Telemarketing & telesales +110% Customer Surveys & Market Research CallsSee all 33 projectsUassist.ME is a proficient provider of Contact Center Services that offers diverse solutions such as Customer Support Services, Inbound Call Center, and Administrative Assistance. The company is praised for effective communication, with approximately 100% of clients highlighting their responsiveness and detail-oriented service. Reviews indicate an impressive 90% satisfaction rate for their phone support and customer care services.
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$1,000+< $25 / hr50 - 249Great Neck Plaza, NY
Services provided
10% Call Center Services50% Back Office Outsourcing20% Customer Service Outsourcing +310% Finance & Accounting Outsourcing (FAO)5% Document Digitization & Management5% HR ConsultingFocus Areas
30% Third party verification50% Customer Surveys & Market Research Calls10% B2C Telemarketing & telesales +110% Collections Recovery ServicesSee all 22 projectsThe Hour - Back Office and Virtual Assistant Services provides comprehensive back-office support, operations management, and virtual assistant services. With consistently positive reviews, 100% of clients highlight their reliability, responsiveness, and efficiency in improving workflow and operational efficiency. Clients frequently commend their cost-effectiveness, high-quality management, and innovative use of AI technology, with no significant areas for improvement identified across the board.
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$1,000+Undisclosed250 - 999Brooklyn, NY
Services provided
10% Call Center Services55% Customer Service Outsourcing15% Data Annotation Services +210% Back Office Outsourcing10% Content Moderation ServicesFocus Areas
30% Third party verification30% Collections Recovery Services30% Customer Surveys & Market Research Calls +110% B2C Telemarketing & telesalesSee all 68 projectsTop Customer Service is a Contact Center Services provider specializing in inbound call handling, Customer Support Services, and telephonic support across diverse industries. With a focus on professionalism and value, 100% of clients praise their agents' ability to manage inquiries efficiently and represent brands positively. Their well-organized project management and consistent service delivery have contributed to faster response times and improved customer satisfaction.
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$1,000+Undisclosed50 - 249Philadelphia, PA
Services provided
10% Call Center Services30% Back Office Outsourcing30% Content Writing Services +310% Accounting10% Search Engine Optimization10% Social Media MarketingFocus Areas
25% Third party verification25% B2C Telemarketing & telesales25% Collections Recovery Services +125% Customer Surveys & Market Research CallsSee all 72 projectsTop Virtual Assistant is a specialized provider of Contact Center Services, including Inbound Call Center, Outbound Call Center, and Customer Support Services. Their services have consistently received high praise, with over 90% of reviews highlighting their professionalism, flexibility, and effective management of customer interactions. Clients frequently commend their ability to improve operational efficiency and customer satisfaction, with many noting significant improvements in response times and scheduling accuracy.
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$1,000+Undisclosed1,000 - 9,999New York, NY
Services provided
20% Call Center Services55% Sales Outsourcing25% Back Office OutsourcingFocus Areas
10% Third party verification70% B2C Telemarketing & telesales10% Collections Recovery Services +110% Customer Surveys & Market Research CallsSee all 53 projectsAppointment Setter Online is a professional Contact Center Services provider specializing in outbound call center services, including lead generation, appointment scheduling, and follow-up communications. Across reviews, they consistently receive positive feedback for their reliability, professionalism, and ability to increase qualified appointments, highlighting a 40% increase in qualified appointments and improved conversion rates for clients. No significant areas for improvement were noted, but some clients suggested more detailed reporting could enhance long-term planning.
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$1,000+< $25 / hr50 - 249Portland, OR
Services provided
10% Call Center Services20% Back Office Outsourcing15% Customer Service Outsourcing +515% Data Annotation Services15% Document Digitization & Management10% Content Moderation Services10% Litigation Support Services5% TranscriptionFocus Areas
50% Third party verification50% Customer Surveys & Market Research CallsSee all 18 projectsTECHSPEED INC specializes in Contact Center Services and Customer Support Services, providing solutions such as inbound call handling, telephonic support, and data entry. Their reviews indicate high customer satisfaction, with a 100% on-time delivery record and proactive communication. Notably, 100% of reviewers praised their project management effectiveness and adaptability to client needs. Overall, clients express strong satisfaction with their responsiveness and commitment to quality.
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$5,000+< $25 / hr250 - 999Dallas, TX
Services provided
50% Call Center Services35% Customer Service Outsourcing10% Accounting +15% Marketing StrategyFocus Areas
10% Third party verification40% Collections Recovery Services30% B2C Telemarketing & telesales +120% Customer Surveys & Market Research CallsSee all 3 projectsAfrishore BPO is a company specializing in lead generation, customer service support, and back-office functions. The feedback is overwhelmingly positive, with 100% of reviewers highlighting their professionalism, on-time delivery, and alignment with client values. Clients commend their warmth, flexibility, and excellent project management skills, with no areas identified for improvement.
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$5,000+< $25 / hr1,000 - 9,999Savannah, GA
Services provided
30% Call Center Services30% Customer Service Outsourcing10% Back Office Outsourcing +310% Finance & Accounting Outsourcing (FAO)10% IT Staff Augmentation10% Sales OutsourcingFocus Areas
10% Third party verification45% B2C Telemarketing & telesales25% Collections Recovery Services +120% Customer Surveys & Market Research CallsSee all 9 projectsSelect VoiceCom is a provider of Contact Center Services, specializing in customer support, telephonic support, and telemarketing services. Reviews indicate a strong cultural fit with clients, highlighted by impressive communication and project management skills. Notably, Select VoiceCom achieved a 35% increase in customer satisfaction and a 25% boost in sales conversions. Positive feedback predominates, with no significant areas for improvement highlighted by clients.
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$1,000+< $25 / hr1,000 - 9,999Chicago, IL
Services provided
20% Call Center Services25% Customer Service Outsourcing15% Back Office Outsourcing +410% Content Moderation Services10% Data Annotation Services10% Finance & Accounting Outsourcing (FAO)10% Sales OutsourcingFocus Areas
30% Third party verification25% B2C Telemarketing & telesales25% Customer Surveys & Market Research Calls +120% Collections Recovery ServicesSee all 28 projectsHugo Inc. | Top CX Provider is a distinguished company specializing in Contact Center Services, offering comprehensive Customer Support Services across various channels such as email, chat, and phone. The client reviews highlight their adaptability and efficiency, with 100% positive feedback on their seamless integration and ability to enhance customer engagement capabilities, resulting in impressive metrics like a 99.8% accuracy in order processing and fulfillment.
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Undisclosed< $25 / hr50 - 249Duluth, GA
Services provided
80% Call Center Services10% Customer Service Outsourcing10% Sales OutsourcingFocus Areas
50% Third party verification50% Customer Surveys & Market Research CallsSee all 52 projectsMoneypenny USA (formerly VoiceNation) is a customer service center specializing in contact center services, including phone support and call handling. Reviews highlight their adaptability, with 90% of users praising their responsiveness and custom solutions. Clients appreciate their efficient management, though some suggest enhancements in data management and service integration. Overall, Moneypenny USA is commended for professionalism and effective telephonic support.
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UndisclosedUndisclosed1,000 - 9,999Los Angeles, CA
Services provided
10% Call Center Services60% Sales Outsourcing20% Customer Service Outsourcing +110% Back Office OutsourcingFocus Areas
100% Third party verificationSee all 119 projectsCallbox is a professional B2B lead generation and sales support company specializing in telemarketing services, outbound call center operations, and customer support services. The company consistently receives praise for its comprehensive and process-oriented approach, with 87% of reviewers highlighting effective project management and responsiveness. Additionally, 67% of reviews commend Callbox's ability to generate high-quality leads and appointments, underscoring its capability to enhance sales pipelines for various industries.
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$1,000+< $25 / hr1,000 - 9,999Duluth, GA
Services provided
15% Call Center Services30% Back Office Outsourcing10% Finance & Accounting Outsourcing (FAO) +510% HR Outsourcing10% IT Staff Augmentation10% Recruiting10% Staffing5% Sales OutsourcingFocus Areas
25% Third party verification25% B2C Telemarketing & telesales25% Collections Recovery Services +125% Customer Surveys & Market Research CallsSee all 7 projectsSolvo Global is a company specializing in Contact Center Services, including Customer Support Services and Telephonic Support. Reviewers consistently highlight their professionalism and efficiency, with 100% positive feedback praising their seamless communication and proactive approach. Clients appreciate the well-documented processes and strategic candidate sourcing, noting Solvo Global's ability to enhance business operations at competitive prices.
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UndisclosedUndisclosed10 - 49Phoenix, AZ
Services provided
80% Call Center Services20% Customer Service OutsourcingFocus Areas
30% Third party verification40% Customer Surveys & Market Research Calls30% B2C Telemarketing & telesalesSee all 6 projectsVeza Reception is a company specializing in Contact Center Services and Customer Support Services, offering both inbound and outbound call center solutions. Reviews highlight their exceptional customer service, personalized approach, and effective call handling, with 100% of clients noting satisfaction and successful outcomes. Veza Reception's commitment to understanding client needs and delivering timely service is consistently praised.
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$1,000+< $25 / hr50 - 249San Diego, CA
Services provided
15% Call Center Services25% Customer Service Outsourcing25% Market Research +410% Back Office Outsourcing10% Custom Software Development10% Litigation Support Services5% PEO/Employee LeasingFocus Areas
10% Third party verification35% Customer Surveys & Market Research Calls30% B2C Telemarketing & telesales +125% Collections Recovery ServicesSee all 48 projectsCallZent specializes in comprehensive Contact Center Services, including inbound and outbound call handling and customer care services. Their reviews highlight a commendable performance in enhancing customer satisfaction, reducing response times, and providing efficient technical support. An impressive 100% of reviewers noted their professionalism, adaptability, and seamless integration with client operations. These attributes contribute to CallZent’s reputation as a trusted and reliable partner in customer service management.
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$100,000+< $25 / hr1,000 - 9,999San Diego, CA
Services provided
45% Call Center Services30% Customer Service Outsourcing10% Recruitment Process Outsourcing +210% Staffing5% Finance & Accounting Outsourcing (FAO)Focus Areas
25% Third party verification25% B2C Telemarketing & telesales25% Collections Recovery Services +125% Customer Surveys & Market Research CallsCall Center Services International, a telephone answering service, is based in San Diego, California and Tijuana, Mexico. They focus on Call Center Services and Customer Service Outsourcing.
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$1,000+< $25 / hr250 - 999Hatboro, PA
Services provided
30% Call Center Services40% Back Office Outsourcing30% Customer Service OutsourcingFocus Areas
30% Third party verification40% B2C Telemarketing & telesales30% Customer Surveys & Market Research CallsSee all 11 projectsHelpSquad is a provider of comprehensive Customer Support Services, specializing in Contact Center Services, including inbound and outbound call handling and chat support. Their reviews highlight exceptional communication, timely project management, and customized solutions, with 100% of reviewers noting their responsiveness and technical depth, and 86% emphasizing the company's cost-effectiveness and cultural alignment.
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$1,000+< $25 / hr50 - 249Afton, WY
Services provided
25% Call Center Services65% Customer Service Outsourcing10% IT Staff AugmentationFocus Areas
50% Third party verification50% Customer Surveys & Market Research CallsSee all 34 projectsWOW24-7 is a distinguished provider of Contact Center Services, offering 24/7 customer support and technical assistance across various industries. The company consistently receives positive feedback, with over 90% of reviewers highlighting their reliability, responsiveness, and commitment to quality. Clients commend their excellent communication and flexibility, making WOW24-7 a trusted partner for Inbound and Outbound Call Center needs.
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$5,000+$25 - $49 / hr250 - 999Home, KS
Services provided
35% Call Center Services40% Customer Service Outsourcing25% Sales OutsourcingFocus Areas
10% Third party verification65% B2C Telemarketing & telesales25% Customer Surveys & Market Research CallsSee all 16 projectsBlue Valley Marketing, a distinguished provider of Contact Center Services, excels in both inbound and outbound call center operations, telemarketing, and comprehensive customer support services. The company is consistently praised for its exceptional project management, responsiveness, and communication, with 100% of reviewers highlighting their professional delivery and commitment to customer satisfaction. Notably, Blue Valley Marketing has been instrumental in enhancing user experiences, reducing wait times, and improving customer satisfaction scores across diverse industries.
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$1,000+< $25 / hr50 - 249Scottsdale, AZ
Services provided
50% Call Center Services30% Back Office Outsourcing10% Customer Service Outsourcing +110% Market ResearchFocus Areas
10% Third party verification60% Customer Surveys & Market Research Calls30% B2C Telemarketing & telesalesSee all 12 projectsIntelemark, a company specializing in Contact Center Services and Telemarketing Services, consistently delivers high-quality lead generation, outbound call handling, and appointment-setting services. With a notable emphasis on responsiveness and flexibility, they have effectively served diverse industries, as evidenced by positive reviews from clients in healthcare, technology, and manufacturing. Approximately 90% of reviewers commend their professionalism and ability to integrate seamlessly into client operations, highlighting their adept project management and skilled communication.
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$25,000+Undisclosed50 - 249Troutman, NC
Services provided
15% Call Center Services25% Demand Generation Marketing25% Sales Outsourcing +220% Account-Based Marketing15% Digital StrategyFocus Areas
100% Third party verificationSee all 1 projectsDemandZEN specializes in Contact Center Services, with a focus on outbound call support and telemarketing services. Overall feedback highlights their professionalism, adaptability, and effective communication, with 100% of reviewers noting positive outcomes. Clients appreciate DemandZEN's ability to integrate seamlessly with internal teams, as evidenced by their structured project management and proactive customer service approach.
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$5,000+Undisclosed1,000 - 9,999Mahwah, NJ
Services provided
50% Call Center Services25% Back Office Outsourcing15% Customer Service Outsourcing +110% Sales OutsourcingFocus Areas
13% Third party verification87% B2C Telemarketing & telesalesSee all 17 projectsDialAmerica is a comprehensive Contact Center Services provider offering Customer Support Services, including both Inbound and Outbound Call Center solutions. Reviews indicate high satisfaction, with 90% of clients highlighting their professionalism and efficiency in handling calls and customer service. While technological improvements are suggested by 10% of reviewers, DialAmerica's strengths lie in delivering quality Telemarketing Services and maintaining a well-trained, responsive customer service team.
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UndisclosedUndisclosed10 - 49Spokane, WA
Services provided
50% Call Center Services50% Customer Service OutsourcingFocus Areas
100% Third party verificationSee all 19 projectsSound Telecom is a company specializing in Contact Center Services, providing robust Inbound Call Center and Customer Support Services. Reviews highlight their quick response and professionalism, with 100% of clients noting satisfaction in these areas. However, a small number (approximately 33%) suggest improvements in general customer service. Their pricing structure varies, with clients indicating a preference for its value despite some cost concerns.
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$50,000+$25 - $49 / hr250 - 999Salisbury, NC
Services provided
35% Call Center Services40% Customer Service Outsourcing10% Back Office Outsourcing +210% Business Consulting5% HR ConsultingFocus Areas
50% Third party verification50% Customer Surveys & Market Research CallsSee all 6 projectsGCS Agents is a leading provider of Contact Center Services, specializing in Customer Support Services and handling both inbound and outbound calls. With a strong focus on efficiency and customer care, they boast a 100% success rate in call handling, meeting client expectations consistently. Approximately 95% of reviews highlight their high-level performance and effective communication, emphasizing their professionalism and capacity to manage call centers seamlessly.
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UndisclosedUndisclosed250 - 999Chicago, IL
Services provided
25% Call Center Services25% AI Development20% Customer Service Outsourcing +215% AI Consulting15% Generative AIFocus Areas
25% Third party verification25% B2C Telemarketing & telesales25% Collections Recovery Services +125% Customer Surveys & Market Research CallsSee all 1 projectsLiveAdmins is a company offering Contact Center Services with a focus on Customer Support Services. Their engagement, which began in 2017, is characterized by responsive and timely phone support, as evidenced by positive client feedback. They are noted for providing real human interaction, which is highly valued, with 100% of reviewers highlighting their impressive, responsive service without any areas for improvement.
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$1,000+Undisclosed50 - 249Riverbank, CA
Services provided
50% Call Center Services50% Sales OutsourcingFocus Areas
25% Third party verification50% B2C Telemarketing & telesales25% Customer Surveys & Market Research CallsSee all 4 projectsTeleContact Resource Services is a Contact Center Services provider specializing in outbound call center and telemarketing services. The reviews indicate strong customer satisfaction, with clients noting improvements in audience reach and sales efficiency. Over 75% of reviewers highlight their cost-effectiveness and positive impact on business operations, saving clients time and money while enhancing customer service and telephonic support.
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$1,000+< $25 / hr250 - 999Princeton, NJ
Services provided
50% Call Center Services50% Back Office OutsourcingFocus Areas
30% Third party verification30% Collections Recovery Services20% B2C Telemarketing & telesales +120% Customer Surveys & Market Research CallsSee all 27 projectsExpress Virtual Assistant is a professional company specializing in Contact Center Services, including Inbound and Outbound Call Center tasks and Customer Support Services. The reviews reflect overwhelmingly positive feedback, with 100% of clients praising their professionalism and timely delivery. Users appreciate their ability to enhance customer communication, improve response times, and efficiently manage call handling tasks.
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$1,000+< $25 / hr250 - 999Jefferson City, MO
Services provided
25% Call Center Services50% Back Office Outsourcing25% TranscriptionFocus Areas
50% Third party verification50% Collections Recovery ServicesSee all 1 projectsGroupOne is a service provider specializing in Contact Center and Customer Support Services, particularly in medical billing. Feedback indicates that 75% of the workload is alleviated for clients, saving 20 man-hours monthly. While users find the service easy to utilize, there is room for improvement in reporting capabilities.
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$1,000+< $25 / hr50 - 249Omaha, NE
Services provided
60% Call Center Services40% Customer Service OutsourcingFocus Areas
100% Third party verificationSee all 19 projectsComplete Call Solutions is a Contact Center Services provider offering inbound and outbound call center support, customer care services, and telephonic support. Reviewers consistently praise their ability to handle Tier 1 customer support efficiently and scale services as needed, with 75% highlighting their responsiveness and reliability. They are noted for strengths in customer engagement, quick response times, and effective problem-solving, although some suggest improvements in call transferring and initial setup guidance.
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UndisclosedUndisclosed2 - 9Coral Gables, FL
Services provided
64% Call Center Services25% Back Office Outsourcing11% Customer Service OutsourcingFocus Areas
100% Third party verificationSee all 1 projectsSunshine1 is a company specializing in Call Center Services, providing comprehensive Customer Support Services and Telephonic Support. Overall feedback is overwhelmingly positive, with 95% of reviewers highlighting their exceptional Inbound and Outbound Call Center capabilities and superior Customer Care Services, showcasing their proficiency in efficient Call Handling and Customer Service Center operations.
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UndisclosedUndisclosed50 - 249Spring, TX
Services provided
25% Call Center Services40% Customer Service Outsourcing25% Back Office Outsourcing +110% Sales OutsourcingFocus Areas
33% Third party verification34% B2C Telemarketing & telesales33% Customer Surveys & Market Research CallsSee all 4 projectsWestpark Communications is a professional Contact Center Services provider specializing in Inbound Call Center, Customer Support Services, and Customer Care Services. They are praised for their excellent communication, attention to detail, and ability to enhance call structures, with approximately 75% of reviewers highlighting their positive impact on customer relationships. However, there are minor concerns about agent turnover affecting response times.
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$1,000+< $25 / hr50 - 249Fort Lauderdale, FL
Services provided
15% Call Center Services50% Customer Service Outsourcing10% Back Office Outsourcing +310% IT Managed Services10% IT Staff Augmentation5% Business ConsultingFocus Areas
20% Third party verification40% B2C Telemarketing & telesales40% Customer Surveys & Market Research CallsSee all 4 projectsEvateck is a professional Contact Center Services provider specializing in Customer Support Services, including inbound call center and telephonic support. Reviews indicate a highly personalized approach and expert handling of customer queries, with a 100% positive feedback rate highlighting their tailored strategies, reduced response times, and improved customer satisfaction. Their flexibility and alignment with client values are particularly noted.
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UndisclosedUndisclosed50 - 249Charleston, SC
Services provided
85% Call Center Services15% Customer Service OutsourcingFocus Areas
100% Third party verificationSee all 16 projectsCall Experts is a company specializing in Contact Center Services, focusing on inbound call handling and customer support. Reviewers consistently praise their ability to meet goals and deliver quality service, with approximately 100% noting their positive impact on efficiency and cost savings. However, some suggest potential improvements in service expansion and call rate optimization.
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$1,000+< $25 / hr10 - 49Baltimore, MD
Services provided
10% Call Center Services30% Finance & Accounting Outsourcing (FAO)20% Back Office Outsourcing +320% Customer Service Outsourcing10% Business Consulting10% Financial ConsultingFocus Areas
25% Third party verification25% B2C Telemarketing & telesales25% Collections Recovery Services +125% Customer Surveys & Market Research CallsSee all 3 projectsRemSource is a company specializing in Contact Center Services, providing comprehensive phone support and call handling. The overall feedback from clients is positive, with 100% praising their professional customer service and effective communication. Clients appreciate their efficiency and commitment to customer care, though some note a desire for improved consistency across operators.
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$1,000+< $25 / hr250 - 999South Jordan, UT
Services provided
15% Call Center Services75% Back Office Outsourcing10% Customer Service OutsourcingFocus Areas
50% Third party verification50% Collections Recovery ServicesSee all 1 projectsAdvancedMD is a company specializing in back-office services, including Call Center and Customer Support Services. Reviews highlight their ability to deliver organized, efficient service that reduces client workload and stress, with consistently favorable results. Approximately 100% of reviewers commend their capability to enhance workflow and create a comforting work atmosphere.
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Undisclosed< $25 / hr1,000 - 9,999Plantation, FL
Services provided
25% Call Center Services30% Business Consulting25% Customer Service Outsourcing +120% Market ResearchFocus Areas
15% Third party verification60% Customer Surveys & Market Research Calls25% B2C Telemarketing & telesalesSee all 23 projectsMiXBS is a company specializing in Contact Center Services, providing 24/7 phone support with a focus on maintaining client branding and professionalism. Reviews indicate a 100% positive feedback rate, praising their cost-effective solutions and responsive team, with 100% of reviewers highlighting their US-based customer service agents and customizable approach.
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$1,000+$100 - $149 / hr50 - 249Arlington, VA
Services provided
25% Call Center Services25% Content Marketing25% Customer Service Outsourcing +125% Digital StrategyFocus Areas
25% Third party verification25% B2C Telemarketing & telesales25% Collections Recovery Services +125% Customer Surveys & Market Research CallsSee all 5 projectsSalaria Sales Solutions is a business development firm specializing in lead generation, outbound sales, and sales development outreach. Reviews consistently highlight their effectiveness in generating qualified leads, with over 64% show rate on scheduled meetings and conversion rates improving significantly over time. Clients praise their proactive communication, data-driven approach, and alignment with company values, with no negative feedback reported.
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$25,000+< $25 / hr50 - 249Lehi, UT
Services provided
25% Call Center Services25% Customer Service Outsourcing20% Demand Generation Marketing +220% Sales Outsourcing10% Back Office OutsourcingFocus Areas
25% Third party verification40% B2C Telemarketing & telesales25% Collections Recovery Services +110% Customer Surveys & Market Research CallsSee all 1 projectsBoomsourcing is a company specializing in Contact Center Services, including both Inbound and Outbound Call Center operations and Telemarketing Services. Reviews highlight their effective lead generation and customer support services, resulting in a 120% improvement in lead qualification and an 85% increase in sales. Clients appreciate their engagement and alignment with company values, with 100% positive feedback regarding their performance and project management.
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$10,000+< $25 / hr250 - 999Las Vegas, NV
Services provided
19% Call Center Services68% Customer Service Outsourcing13% Back Office OutsourcingFocus Areas
67% Third party verification33% Customer Surveys & Market Research CallsSee all 7 projectsLiveSalesman is a company specializing in Customer Support and Call Handling Services. They have been noted for their quick learning and responsiveness, with a strong focus on handling phone inquiries and managing scheduling tasks. While some inconsistency among representatives was mentioned, issues were generally resolved promptly. Overall, LiveSalesman effectively supports businesses needing inbound call center services.
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UndisclosedUndisclosed50 - 249Marina del Rey, CA
Services provided
10% Call Center Services70% Sales Outsourcing10% Back Office Outsourcing +110% Customer Service OutsourcingFocus Areas
90% Third party verification10% Customer Surveys & Market Research CallsSee all 5 projectsXync Inc. is a company specializing in Contact Center Services, including telephonic support and customer care services, highly praised for its responsive project management and consistent delivery. Approximately 90% of feedback reflects satisfaction with their approach, particularly in lead generation and social media marketing efforts, though some suggest enhancements in lead follow-up consistency.
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$1,000+< $25 / hr50 - 249Tempe, AZ
Services provided
70% Call Center Services15% Customer Service Outsourcing15% Sales OutsourcingFocus Areas
75% Third party verification25% Customer Surveys & Market Research CallsSee all 1 projectsCalibrus is a contact center services provider specializing in outbound call center and customer support services. Reviews highlight their efficient call handling and strong communication skills, with 100% of reviewers noting the quality of service and client attention. While clients appreciate their cost-effectiveness, saving approximately $2,000 monthly, some suggest minor improvements in call response times.
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Undisclosed< $25 / hr2 - 9Miami, FL
Services provided
100% Call Center ServicesFocus Areas
25% Third party verification25% B2C Telemarketing & telesales25% Collections Recovery Services +125% Customer Surveys & Market Research CallsSee all 1 projectsVirtual Receptionist Pro is a call center service provider specializing in inbound call handling and customer support services. Reviewers consistently praise their professional communication and timely response, with 100% noting improvements in managing call volumes. Clients appreciate their effective call filtering, allowing businesses to focus on core tasks. Pricing and alignment of company values are also highlighted as positive aspects.
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$5,000+< $25 / hr10 - 49Miami, FL
Services provided
20% Call Center Services30% Customer Service Outsourcing25% Back Office Outsourcing +215% IT Managed Services10% Digital StrategyFocus Areas
30% Third party verification40% Customer Surveys & Market Research Calls30% B2C Telemarketing & telesalesSee all 3 projectsALPHA BPO Corp is a distinguished provider of Contact Center Services, specializing in Customer Support, Inbound and Outbound Call Center solutions. The company has received predominantly positive feedback, with clients noting a productivity increase of 80% and cost reduction by 50%. Approximately 100% of reviewers highlight their deep industry experience and efficient service delivery.
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$1,000+< $25 / hr50 - 249Sheridan, WY
Services provided
10% Call Center Services30% Transcription25% Social Media Marketing +315% Digital Strategy10% Customer Service Outsourcing10% Finance & Accounting Outsourcing (FAO)Focus Areas
25% Third party verification25% B2C Telemarketing & telesales25% Collections Recovery Services +125% Customer Surveys & Market Research CallsSee all 1 projectsServixer, LLC is a transcription and quality assurance company known for delivering top-notch and accurate transcriptions. With a focus on excellence and attention to detail, 100% of reviewers praised their timely delivery and adherence to project requirements, noting no areas for improvement. Their commitment to quality ensures successful partnerships with their clients.
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Get My MatchesWhy Trust Clutch
At Clutch, we believe trust is the foundation of every business relationship. Our mission is to help buyers make confident, data-backed decisions informed by real client experiences.
Every review on Clutch undergoes a rigorous, human-led verification process to make sure it’s valid. Our team of specialists confirms the identity of each reviewer, ensures the project is legitimate, and only publishes reviews that meet our strict criteria.
Verification doesn’t stop at the point of publication. Our Trust & Safety team routinely audits older reviews against our guidelines. When reviews fall short of our standards, we remove them.
We evaluate service providers using a structured methodology that combines:
- In-depth client interviews and ratings
- Comprehensive project details
- Market presence
- Portfolio examples and industry recognition
This data powers tools like the Leaders Matrix, which helps you compare agencies directly. Our research team curates rankings by weighing verified reviews most heavily, so the most trusted and experienced providers rise to the top.
Using this unique combination of verified client feedback and provider-supplied insights, Clutch distills the most important details into clear, digestible summaries so you have everything you need to make confident, informed decisions quickly.
We take fraud seriously. Providers who violate our guidelines may face lower rankings, restricted visibility, or removal from the platform altogether.
Clutch’s commitment to transparency is ongoing. We’re constantly refining our systems to protect the integrity of reviews and support you in finding the right agency.
Rollover to see company insights or click a company below for more details.
A Clutch Leaders Matrix provides a broad view of the top-performing companies in a particular service or location. Each company featured in a Leaders Matrix is evaluated based on Focus and Ability to Deliver. The size of each circle indicates that company’s size.
By using verified reviews, focused service details, and real project data, the Leaders Matrix highlights companies that consistently deliver and stand out from the rest. Each company’s position is based on how well they focus on a service area and how consistently they deliver results, helping you make informed, confident decisions. Learn More
Focus (x-axis)
Focus accounts for a company’s specialization within a certain service.
Ability to Deliver (y-axis)
Ability to Deliver considers three criteria:
- Client feedback and reviews
- Work experience and previous projects
- Market presence and reputation in the industry
List of the Top 15 United States Third-Party Verification Companies
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$1,000+< $25 / hr1,000 - 9,999Chicago, IL
Ability to deliver
37.3/40.018.4/20 Reviews9.4/10 Clients & Experience9.5/10 Market PresenceService focus
20% Call Center Services30% Third party verification80% Other -
$1,000+$25 - $49 / hr250 - 999San Francisco, CA
Ability to deliver
39.8/40.019.8/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
10% Call Center Services100% Third party verification90% Other -
$1,000+< $25 / hr250 - 999Hatboro, PA
Ability to deliver
35.3/40.017.6/20 Reviews8.7/10 Clients & Experience9/10 Market PresenceService focus
30% Call Center Services30% Third party verification70% Other -
$1,000+< $25 / hr50 - 249Afton, WY
Ability to deliver
35.7/40.018.8/20 Reviews7.1/10 Clients & Experience9.7/10 Market PresenceService focus
25% Call Center Services50% Third party verification75% Other -
$1,000+$25 - $49 / hr250 - 999Orlando, FL
Ability to deliver
35.5/40.016.4/20 Reviews10/10 Clients & Experience9.1/10 Market PresenceService focus
50% Call Center Services15% Third party verification50% Other -
Undisclosed< $25 / hr50 - 249Duluth, GA
Ability to deliver
31.1/40.014.6/20 Reviews6.6/10 Clients & Experience9.8/10 Market PresenceService focus
80% Call Center Services50% Third party verification20% Other -
UndisclosedUndisclosed1,000 - 9,999Los Angeles, CA
Ability to deliver
34.1/40.016.6/20 Reviews10/10 Clients & Experience7.5/10 Market PresenceService focus
10% Call Center Services100% Third party verification90% Other -
$50,000+Undisclosed1,000 - 9,999American Fork, UT
Ability to deliver
30.7/40.017.2/20 Reviews3.9/10 Clients & Experience9.6/10 Market PresenceService focus
20% Call Center Services50% Third party verification80% Other -
$5,000+$25 - $49 / hr250 - 999Home, KS
Ability to deliver
34/40.016.6/20 Reviews9.2/10 Clients & Experience8.2/10 Market PresenceService focus
35% Call Center Services10% Third party verification65% Other -
$1,000+< $25 / hr50 - 249Scottsdale, AZ
Ability to deliver
33.9/40.015.8/20 Reviews9.7/10 Clients & Experience8.5/10 Market PresenceService focus
50% Call Center Services10% Third party verification50% Other -
$10,000+< $25 / hr250 - 999Overland Park, KS
Ability to deliver
33.8/40.017/20 Reviews8.2/10 Clients & Experience8.6/10 Market PresenceService focus
15% Call Center Services25% Third party verification85% Other -
$25,000+Undisclosed50 - 249Troutman, NC
Ability to deliver
33.1/40.016.2/20 Reviews8.2/10 Clients & Experience8.7/10 Market PresenceService focus
15% Call Center Services100% Third party verification85% Other -
$1,000+< $25 / hr1,000 - 9,999Duluth, GA
Ability to deliver
30.3/40.016.2/20 Reviews8.7/10 Clients & Experience5.4/10 Market PresenceService focus
15% Call Center Services25% Third party verification85% Other -
$1,000+< $25 / hr50 - 249Berkeley, CA
Ability to deliver
35.6/40.017.6/20 Reviews9.2/10 Clients & Experience8.8/10 Market PresenceService focus
20% Call Center Services20% Third party verification80% Other -
$5,000+Undisclosed1,000 - 9,999Mahwah, NJ
Ability to deliver
30.6/40.014.6/20 Reviews7.3/10 Clients & Experience8.7/10 Market PresenceService focus
50% Call Center Services13% Third party verification50% Other -
UndisclosedUndisclosed10 - 49Spokane, WA
Ability to deliver
27.8/40.013.6/20 Reviews8.1/10 Clients & Experience6.1/10 Market PresenceService focus
50% Call Center Services100% Third party verification50% Other -
UndisclosedUndisclosed10 - 49King of Prussia, PA
Ability to deliver
30.7/40.015.6/20 Reviews8.5/10 Clients & Experience6.6/10 Market PresenceService focus
50% Call Center Services33% Third party verification50% Other -
$1,000+< $25 / hr50 - 249Las Vegas, NV
Ability to deliver
37.1/40.018.2/20 Reviews9.8/10 Clients & Experience9.1/10 Market PresenceService focus
10% Call Center Services10% Third party verification90% Other -
$50,000+$25 - $49 / hr250 - 999Salisbury, NC
Ability to deliver
26.1/40.015.8/20 Reviews4.6/10 Clients & Experience5.7/10 Market PresenceService focus
35% Call Center Services50% Third party verification65% Other -
$5,000+< $25 / hr250 - 999Miami Beach, FL
Ability to deliver
32.9/40.016/20 Reviews9.6/10 Clients & Experience7.2/10 Market PresenceService focus
10% Call Center Services15% Third party verification90% Other -
UndisclosedUndisclosed250 - 999Chicago, IL
Ability to deliver
27.4/40.016.6/20 Reviews5.1/10 Clients & Experience5.7/10 Market PresenceService focus
25% Call Center Services25% Third party verification75% Other -
$1,000+Undisclosed50 - 249Riverbank, CA
Ability to deliver
27.4/40.015/20 Reviews6.6/10 Clients & Experience5.8/10 Market PresenceService focus
50% Call Center Services25% Third party verification50% Other -
$1,000+< $25 / hr250 - 999Princeton, NJ
Ability to deliver
24.1/40.018.8/20 Reviews0/10 Clients & Experience5.3/10 Market PresenceService focus
50% Call Center Services30% Third party verification50% Other -
$1,000+< $25 / hr250 - 999Jefferson City, MO
Ability to deliver
25/40.013/20 Reviews3.5/10 Clients & Experience8.5/10 Market PresenceService focus
25% Call Center Services50% Third party verification75% Other -
$1,000+< $25 / hr50 - 249Omaha, NE
Ability to deliver
22.4/40.014.6/20 Reviews2.9/10 Clients & Experience4.9/10 Market PresenceService focus
60% Call Center Services100% Third party verification40% Other -
UndisclosedUndisclosed2 - 9Coral Gables, FL
Ability to deliver
22.3/40.011.4/20 Reviews1.3/10 Clients & Experience9.6/10 Market PresenceService focus
64% Call Center Services100% Third party verification36% Other -
UndisclosedUndisclosed50 - 249Spring, TX
Ability to deliver
26.9/40.015.6/20 Reviews3.6/10 Clients & Experience7.7/10 Market PresenceService focus
25% Call Center Services33% Third party verification75% Other -
UndisclosedUndisclosed10 - 49Phoenix, AZ
Ability to deliver
24.6/40.017/20 Reviews1.3/10 Clients & Experience6.3/10 Market PresenceService focus
80% Call Center Services30% Third party verification20% Other -
$1,000+< $25 / hr50 - 249Fort Lauderdale, FL
Ability to deliver
29/40.016.6/20 Reviews6.8/10 Clients & Experience5.6/10 Market PresenceService focus
15% Call Center Services20% Third party verification85% Other -
UndisclosedUndisclosed50 - 249Charleston, SC
Ability to deliver
20.3/40.014.2/20 Reviews0.6/10 Clients & Experience5.5/10 Market PresenceService focus
85% Call Center Services100% Third party verification15% Other
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