# Top Third Party Verification Companies in the United States Highly reviewed Third Party Verification companies in United States include Martal Group, XACT, ROI CX Solutions, Leadium, Wing Assistant, Specialty Answering Service, Uassist.ME, The Hour - Back Office and Virtual Assistant Services, Top Customer Service, Top Virtual Assistant. From Washington, DC’s regulatory hub to New York’s finance sector, Houston’s energy corridor, and the tech scenes in Austin and the Bay Area, the United States is a prime market for third party verification services. Whether you need TPV for telesales compliance, seller onboarding, or independent verification for audits and certifications, the right partner helps you reduce risk and maintain airtight records. Clutch makes it easier to shortlist trusted providers: we verify client reviews, surface detailed service focus and case studies, and let you filter by budget, industry, location, certifications, and more. Compare teams with experience in the third party verification process, outsourcing models, and secure, at-scale solutions to find a fit that matches your compliance and CX goals. Start exploring: • Top Third Party Verification Companies • Third Party Verification Companies in New York City • Third Party Verification Companies in San Francisco • Third Party Verification Companies in Dallas • U.S. Third Party Verification Companies for Healthcare We verify reviews and evaluate companies so you can choose with confidence. We may earn a fee for some placements. [Learn how Clutch ensures trust](#why-trust-clutch) ## List of the Best Top Third Party Verification Companies in the United States Ratings Updated: Jul 22, 2026 ### [Martal Group](https://clutch.co/profile/martal-group) #### 4.8 out of 5 star rating (109 reviews) - $1,000+ minimum project size - $25 - $49 average hourly rate - 250 - 999 employees - San Francisco, CA #### Services Provided - Allocation of Expertise by Percentage - 10% AI Agents - 10% Call Center Services - 10% Email Marketing - 70% Sales Outsourcing #### Company description Martal Group is a company specializing in lead generation and sales engagement through Contact Center Services, leveraging email outreach, phone support, and LinkedIn interactions. Reviews highlight their ability to understand client needs with 75% positive feedback on their adaptability and strategic insights. However, some clients noted areas for improvement in responsiveness and handling campaign metrics, with 20% suggesting quicker incorporation of feedback. [Visit Website](https://martal.ca/?utm_source=clutch.co&utm_medium=referral&utm_campaign=us-call-centers-third-party-verification) --- ### [XACT](https://clutch.co/profile/xact) #### 4.7 out of 5 star rating (34 reviews) - $1,000+ minimum project size - $25 - $49 average hourly rate - 250 - 999 employees - Orlando, FL #### Services Provided - Allocation of Expertise by Percentage - 10% Back Office Outsourcing - 50% Call Center Services - 30% Customer Service Outsourcing - 10% Staffing #### Company description XACT is a comprehensive Contact Center Services provider, offering a range of solutions including Inbound and Outbound Call Center services, Telephonic Support, and Customer Care Services. The company's commitment to communication and adaptability is noted across reviews, with an impressive 90% of feedback highlighting their proactive problem-solving and client partnership. Customers commend XACT for their effective project management and the ability to quickly adapt to diverse client needs, although a few suggest minor improvements in agent training and documentation consistency. [Visit Website](http://www.myxact.com/?utm_source=clutch.co&utm_medium=referral&utm_campaign=directory) --- ### [ROI CX Solutions](https://clutch.co/profile/roi-cx-solutions) #### 4.8 out of 5 star rating (4 reviews) - $50,000+ minimum project size - 1,000 - 9,999 employees - American Fork, UT #### Services Provided - Allocation of Expertise by Percentage - 20% Back Office Outsourcing - 20% Call Center Services - 10% Content Moderation Services - 20% Customer Service Outsourcing - 10% Data Annotation Services - 15% Finance & Accounting Outsourcing (FAO) - 5% HR Outsourcing #### Company description ROI CX Solutions is a Contact Center Services provider offering comprehensive Customer Support Services, including Inbound and Outbound Call Center operations. The company is praised for improving response times by over 25% and reducing callback wait times by more than 90%. Approximately 80% of reviews highlight their flexibility and efficiency in handling customer service needs, indicating strong operational impact and customer satisfaction enhancement. [Visit Website](http://roicallcentersolutions.com/?utm_source=clutch.co&utm_medium=referral&utm_campaign=directory) --- ### [Leadium](https://clutch.co/profile/leadium) #### 5 out of 5 star rating (71 reviews) - $1,000+ minimum project size - < $25 average hourly rate - 50 - 249 employees - Las Vegas, NV #### Services Provided - Allocation of Expertise by Percentage - 10% Call Center Services - 10% Content Marketing - 5% Email Marketing - 75% Sales Outsourcing #### Company description Leadium is a company specializing in outbound telemarketing services, focusing on lead generation, appointment setting, and sales development for B2B clients. Reviews frequently highlight their professionalism, consultative approach, and ability to deliver timely results, with an 85% positive feedback rate. Around 90% of reviewers commend their strategic planning and adaptability, which contributes significantly to client success in securing high-quality leads and enhancing sales efficiency. [Visit Website](http://www.leadium.com/?utm_source=clutch&utm_medium=paid_sponsorship&utm_campaign=brand-awareness) --- ### [Wing Assistant](https://clutch.co/profile/wing-assistant) #### 4.7 out of 5 star rating (36 reviews) - $1,000+ minimum project size - < $25 average hourly rate - 50 - 249 employees - Berkeley, CA #### Services Provided - Allocation of Expertise by Percentage - 40% Back Office Outsourcing - 20% Call Center Services - 20% Customer Service Outsourcing - 20% Sales Outsourcing #### Company description Wing Assistant is a company specializing in Customer Support Services and Call Handling. Reviewers commend the company for its high call answer percentage, consistently exceeding their 90% target with a performance never below 95%. Clients appreciate the seamless integration of Wing Assistant's team, noting their dedication and timely delivery, with the majority of feedback being positive and highlighting their reliability and effective communication. [Visit Website](https://wingassistant.com/?utm_source=clutch.co&utm_medium=referral&utm_campaign=clutch-organic) --- ### [Specialty Answering Service](https://clutch.co/profile/specialty-answering-service) #### 4.7 out of 5 star rating (50 reviews) - 10 - 49 employees - King of Prussia, PA #### Services Provided - Allocation of Expertise by Percentage - 15% Back Office Outsourcing - 50% Call Center Services - 20% Customer Service Outsourcing - 15% Sales Outsourcing #### Company description Specialty Answering Service provides comprehensive Contact Center Services, including Inbound Call Center and Customer Support Services. Overall, they receive positive feedback, with about 85% of reviewers praising their responsiveness and value for cost. Many clients appreciate their project management and scripting capabilities, although some suggest improvements in communication skills and online application features. [Visit Website](http://www.specialtyansweringservice.net/?utm_source=clutch.co&utm_medium=referral&utm_campaign=directory) --- ### [Uassist.ME](https://clutch.co/profile/uassistme) #### 4.6 out of 5 star rating (35 reviews) - $5,000+ minimum project size - < $25 average hourly rate - 250 - 999 employees - Miami Beach, FL #### Services Provided - Allocation of Expertise by Percentage - 50% Back Office Outsourcing - 10% Call Center Services - 30% Customer Service Outsourcing - 10% Sales Outsourcing #### Company description Uassist.ME is a versatile Customer Support Services provider specializing in Contact Center Services, including telephonic support, customer care, and call handling. Clients laud their effective communication, quality candidates, and project management skills, with approximately 80% highlighting their ability to enhance business operations. Uassist.ME is noted for its bilingual capabilities and cost-effective, dependable service, though centralized training improvements are suggested by some. [Visit Website](https://www.uassistme.com/request-a-consultation?utm_source=clutch.co&utm_medium=referral&utm_campaign=directory) --- ### [The Hour - Back Office and Virtual Assistant Services](https://clutch.co/profile/hour-back-office-virtual-assistant-services) #### 5 out of 5 star rating (35 reviews) - $1,000+ minimum project size - < $25 average hourly rate - 50 - 249 employees - Great Neck Plaza, NY #### Services Provided - Allocation of Expertise by Percentage - 50% Back Office Outsourcing - 10% Call Center Services - 20% Customer Service Outsourcing - 5% Document Digitization & Management - 10% Finance & Accounting Outsourcing (FAO) - 5% HR Consulting #### Company description The Hour - Back Office and Virtual Assistant Services specializes in providing comprehensive virtual assistant and back-office support, including accounting, policy administration, and operational assistance. Across their reviews, clients consistently highlight their reliability, attention to detail, and proactive communication, with 100% positive feedback on timely delivery and organizational skills. Approximately 70% of reviewers emphasize the company's adaptability and seamless integration into their operations. [Visit Website](https://thehour.co/?utm_source=clutch.co&utm_medium=referral&utm_campaign=directory) --- ### [Top Customer Service](https://clutch.co/profile/top-customer-service) #### 5 out of 5 star rating (68 reviews) - $1,000+ minimum project size - 250 - 999 employees - Brooklyn, NY #### Services Provided - Allocation of Expertise by Percentage - 10% Back Office Outsourcing - 10% Call Center Services - 10% Content Moderation Services - 55% Customer Service Outsourcing - 15% Data Annotation Services #### Company description Top Customer Service, a company specializing in Contact Center Services and Customer Support Services, receives positive feedback for their professionalism and efficiency in managing inbound call handling and customer inquiries. Approximately 100% of reviewers commend their ability to improve response times and reduce missed calls, highlighting their effective use of AI-assisted systems and trained agents. Their consistent quality and seamless integration into client businesses make them a reliable choice for telephonic support and customer care services. [Visit Website](https://bpo.topcustomerservice.com/) --- ### [Top Virtual Assistant](https://clutch.co/profile/top-virtual-assistant) #### 5 out of 5 star rating (72 reviews) - $1,000+ minimum project size - 50 - 249 employees - Philadelphia, PA #### Services Provided - Allocation of Expertise by Percentage - 10% Accounting - 30% Back Office Outsourcing - 10% Call Center Services - 30% Content Writing Services - 10% Search Engine Optimization - 10% Social Media Marketing #### Company description Top Virtual Assistant is a company specializing in Contact Center Services, offering comprehensive solutions such as Customer Support Services, Inbound Call Center, and Outbound Call Center operations. Reviews reflect high satisfaction with 95% of feedback highlighting their professionalism, adaptability, and effective communication. Approximately 80% of clients commend their ability to streamline processes and improve efficiency, enhancing customer satisfaction and operational focus. [Visit Website](https://topvirtualassistant.pro) --- ### [Appointment Setter Online](https://clutch.co/profile/appointment-setter-online) #### 5 out of 5 star rating (54 reviews) - $1,000+ minimum project size - 1,000 - 9,999 employees - New York, NY #### Services Provided - Allocation of Expertise by Percentage - 25% Back Office Outsourcing - 20% Call Center Services - 55% Sales Outsourcing #### Company description Appointment Setter Online is a company specializing in outbound call center and appointment-setting services. The reviews consistently highlight their professionalism, dependability, and ability to generate qualified leads and appointments, with a noticeable increase in sales and client engagement reported by 40% of reviewers. Their commitment to clear communication and organized project management is frequently praised, although some suggest more detailed reporting could add further value. [Visit Website](https://appointmentsetteronline.com/?utm_source=clutch.co&utm_medium=referral&utm_campaign=directory) --- ### [TECHSPEED INC](https://clutch.co/profile/techspeed) #### 4.9 out of 5 star rating (18 reviews) - $1,000+ minimum project size - < $25 average hourly rate - 50 - 249 employees - Portland, OR #### Services Provided - Allocation of Expertise by Percentage - 30% Back Office Outsourcing - 25% Call Center Services - 25% Content Moderation Services - 20% Customer Service Outsourcing #### Company description TECHSPEED INC is a proficient provider of Contact Center Services, specializing in data entry and customer support. Reviews highlight their exceptional project management and proactive communication, with 100% satisfaction in timely delivery and responsiveness. Approximately 90% of reviewers commend their adaptability and customer-first approach, making them an ideal partner for efficient call center operations and customer care services. [Visit Website](https://techspeed.com/get-started/?utm_source=clutch.co&utm_medium=referral) --- ### [Afrishore BPO](https://clutch.co/profile/afrishore-bpo) #### 5 out of 5 star rating (3 reviews) - $5,000+ minimum project size - < $25 average hourly rate - 1,000 - 9,999 employees - Dallas, TX #### Services Provided - Allocation of Expertise by Percentage - 10% Accounting - 50% Call Center Services - 35% Customer Service Outsourcing - 5% Marketing Strategy #### Company description Afrishore BPO is a business process outsourcing company specializing in lead generation, customer service, and back-office functions. Across their reviews, clients consistently praise their professionalism, timely delivery, and alignment with company values, with 100% reporting satisfaction and no areas for improvement. Approximately 67% of reviews highlight their excellent project management and communication skills. [Visit Website](https://afrishorebpo.com/?utm_source=clutch.co&utm_medium=referral&utm_campaign=directory) --- ### [Select VoiceCom](https://clutch.co/profile/select-voicecom) #### 4.8 out of 5 star rating (9 reviews) - $5,000+ minimum project size - < $25 average hourly rate - 1,000 - 9,999 employees - Savannah, GA #### Services Provided - Allocation of Expertise by Percentage - 10% Back Office Outsourcing - 30% Call Center Services - 30% Customer Service Outsourcing - 10% Finance & Accounting Outsourcing (FAO) - 10% Sales Outsourcing - 10% IT Staff Augmentation #### Company description Select 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. [Visit Website](https://selectvoicecom.com/?utm_source=clutch.co&utm_medium=referral&utm_campaign=directory) --- ### [Hugo Inc.](https://clutch.co/profile/hugo) #### 5 out of 5 star rating (28 reviews) - $1,000+ minimum project size - < $25 average hourly rate - 1,000 - 9,999 employees - Chicago, IL #### Services Provided - Allocation of Expertise by Percentage - 15% Back Office Outsourcing - 20% Call Center Services - 10% Content Moderation Services - 25% Customer Service Outsourcing - 10% Data Annotation Services - 10% Finance & Accounting Outsourcing (FAO) - 10% Sales Outsourcing #### Company description Hugo 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. [Visit Website](https://hugoinc.com/?utm_source=clutch.co&utm_medium=referral&utm_campaign=directory) --- ### [Moneypenny USA (formerly VoiceNation)](https://clutch.co/profile/moneypenny-usa-formerly-voicenation) #### 4.4 out of 5 star rating (53 reviews) - < $25 average hourly rate - 50 - 249 employees - Duluth, GA #### Services Provided - Allocation of Expertise by Percentage - 80% Call Center Services - 10% Customer Service Outsourcing - 10% Sales Outsourcing #### Company description Moneypenny USA (formerly VoiceNation) is a company specializing in Contact Center Services, offering solutions like Inbound and Outbound Call Centers, Customer Support Services, and Telephonic Support. Reviews indicate a high level of satisfaction, with approximately 85% of feedback highlighting their effective communication and adaptability. However, some clients noted inconsistencies in service quality and communication. [Visit Website](https://voicenation.com/?utm_source=clutch.co&utm_medium=referral) --- ### [Callbox](https://clutch.co/profile/callbox) #### 4.6 out of 5 star rating (119 reviews) - 1,000 - 9,999 employees - Los Angeles, CA #### Services Provided - Allocation of Expertise by Percentage - 10% Back Office Outsourcing - 10% Call Center Services - 20% Customer Service Outsourcing - 60% Sales Outsourcing #### Company description Callbox is a company specializing in Contact Center Services, offering comprehensive telemarketing and customer support services to drive lead generation and appointment setting. Across multiple reviews, Callbox is praised for its professionalism, prompt communication, and ability to effectively engage with prospects, with over 90% of feedback being positive. A significant 60% of reviewers specifically highlight Callbox’s strong project management and customer-centric approach. [Visit Website](https://www.callboxinc.com/?utm_source=clutch.co&utm_medium=referral&utm_campaign=directory) --- ### [DemandZEN](https://clutch.co/profile/demandzen) #### 4.8 out of 5 star rating (5 reviews) - $25,000+ minimum project size - 50 - 249 employees - Troutman, NC #### Services Provided - Allocation of Expertise by Percentage - 20% Account-Based Marketing - 15% Call Center Services - 25% Demand Generation Marketing - 15% Digital Strategy - 25% Sales Outsourcing #### Company description DemandZEN is a company specializing in outbound call center services, focusing on generating qualified opportunities through outbound sales and telemarketing services. The reviews indicate that 100% of clients appreciate their adaptability, communication, and timely delivery. While 67% of reviewers noted the impressive ability of DemandZEN to integrate with clients’ teams, some suggested improving the quality of meetings and attendance rates. [Visit Website](https://demandzen.com?utm_source=clutch.co&utm_medium=referral&utm_campaign=directory) --- ### [Veza Reception](https://clutch.co/profile/veza-reception) #### 4.8 out of 5 star rating (10 reviews) - 10 - 49 employees - Phoenix, AZ #### Services Provided - Allocation of Expertise by Percentage - 80% Call Center Services - 20% Customer Service Outsourcing #### Company description Veza Reception is a company specializing in Contact Center Services, providing virtual receptionist and telephonic support for various industries, notably law firms. They receive predominantly positive feedback, with clients highlighting their professionalism, reliability, and ability to handle both inbound and outbound calls efficiently. Some clients noted areas for improvement, such as call recording policies, but overall, they are recognized for excellent customer support and adaptability. [Visit Website](https://vezareception.com/?utm_source=clutch.co&utm_medium=referral&utm_campaign=directory) --- ### [CallZent](https://clutch.co/profile/callzent) #### 5 out of 5 star rating (48 reviews) - $1,000+ minimum project size - < $25 average hourly rate - 50 - 249 employees - San Diego, CA #### Services Provided - Allocation of Expertise by Percentage - 10% Custom Software Development - 10% Back Office Outsourcing - 15% Call Center Services - 25% Customer Service Outsourcing - 10% Litigation Support Services - 25% Market Research - 5% PEO/Employee Leasing #### Company description CallZent 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. [Visit Website](https://www.callzent.com) --- ### [Call Center Services International](https://clutch.co/profile/call-center-services-international-0) - $100,000+ minimum project size - < $25 average hourly rate - 1,000 - 9,999 employees - San Diego, CA #### Services Provided - Allocation of Expertise by Percentage - 45% Call Center Services - 30% Customer Service Outsourcing - 5% Finance & Accounting Outsourcing (FAO) - 10% Recruitment Process Outsourcing - 10% Staffing #### Company description Call 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. [Visit Website](https://ccsi.com/?utm_source=clutch.co&utm_medium=referral&utm_campaign=directory) --- ### [HelpSquad](https://clutch.co/profile/helpsquad) #### 5 out of 5 star rating (11 reviews) - $1,000+ minimum project size - < $25 average hourly rate - 250 - 999 employees - Doylestown, PA #### Services Provided - Allocation of Expertise by Percentage - 40% Back Office Outsourcing - 30% Call Center Services - 30% Customer Service Outsourcing #### Company description HelpSquad is a customer service center offering a range of services, including inbound call center and customer support services. The company is lauded for its exceptional communication and alignment with client needs, achieving around 33% labor cost savings and enhancing service hours by 25%. Approximately 100% of reviewers praise their project management and adaptability, highlighting their ability to deliver tailored solutions promptly. [Visit Website](https://helpsquad.com/?utm_source=clutch.co&utm_medium=referral&utm_campaign=directory) --- ### [WOW24-7](https://clutch.co/profile/wow24-7) #### 4.8 out of 5 star rating (36 reviews) - $1,000+ minimum project size - < $25 average hourly rate - 250 - 999 employees - Afton, WY #### Services Provided - Allocation of Expertise by Percentage - 25% Call Center Services - 65% Customer Service Outsourcing - 10% IT Staff Augmentation #### Company description WOW24-7 is a distinguished provider of Contact Center Services, specializing in Customer Support and Call Handling, offering round-the-clock service. Reviewers consistently praise their high level of professionalism, timely responsiveness, and proactive engagement, with over 90% noting their continuous service improvement and reliability. Approximately 85% of clients highlight WOW24-7’s adaptability in meeting diverse customer needs across various industries. [Visit Website](https://wow24-7.com/contact-center-outsourcing/?utm_source=clutch&utm_medium=referral) --- ### [Blue Valley Marketing](https://clutch.co/profile/blue-valley-marketing) #### 4.9 out of 5 star rating (16 reviews) - $5,000+ minimum project size - $25 - $49 average hourly rate - 250 - 999 employees - Home, KS #### Services Provided - Allocation of Expertise by Percentage - 35% Call Center Services - 40% Customer Service Outsourcing - 25% Sales Outsourcing #### Company description Blue 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. [Visit Website](https://www.bluevalleymarketing.com/?utm_source=clutch.co&utm_medium=referral&utm_campaign=directory) --- ### [Intelemark](https://clutch.co/profile/intelemark) #### 4.8 out of 5 star rating (12 reviews) - $1,000+ minimum project size - < $25 average hourly rate - 50 - 249 employees - Scottsdale, AZ #### Services Provided - Allocation of Expertise by Percentage - 30% Back Office Outsourcing - 50% Call Center Services - 10% Customer Service Outsourcing - 10% Market Research #### Company description Intelemark is a leading provider of Outbound Call Center and Telemarketing Services, specializing in generating qualified leads and setting appointments for businesses across various industries. Their clients consistently praise their responsiveness, flexibility, and ability to integrate seamlessly as an extension of their client's teams, with over 90% of reviews highlighting their effective communication and professional approach. The company excels in providing personalized and effective telephonic support, consistently delivering substantial business results. [Visit Website](https://intelemark.com/clutch/) --- ### [Solvo Global](https://clutch.co/profile/solvo-global) #### 5 out of 5 star rating (7 reviews) - $50,000+ minimum project size - < $25 average hourly rate - 1,000 - 9,999 employees - Duluth, GA #### Services Provided - Allocation of Expertise by Percentage - 30% Back Office Outsourcing - 15% Call Center Services - 10% Finance & Accounting Outsourcing (FAO) - 10% HR Outsourcing - 10% Recruiting - 5% Sales Outsourcing - 10% IT Staff Augmentation - 10% Staffing #### Company description Solvo Global is a company specializing in Contact Center Services, providing comprehensive solutions such as Customer Support Services and executive administrative support. Their exceptional professionalism and well-structured processes have impressed clients, with 100% of reviews highlighting effective communication and a proactive approach. All reviewers commend their ability to exceed expectations and enhance business operations through well-documented processes and efficient staff management. [Visit Website](https://solvoglobal.com/remote-staffing-agency/?utm_source=clutch&utm_medium=affiliate&utm_campaign=7013a000001tbwm&utm_content=general-lp) --- ### [DialAmerica](https://clutch.co/profile/dialamerica) #### 4.5 out of 5 star rating (17 reviews) - $5,000+ minimum project size - 1,000 - 9,999 employees - Mahwah, NJ #### Services Provided - Allocation of Expertise by Percentage - 25% Back Office Outsourcing - 50% Call Center Services - 15% Customer Service Outsourcing - 10% Sales Outsourcing #### Company description DialAmerica is a company specializing in Contact Center Services, offering flexible inbound and outbound call handling, telemarketing, and customer support services. The company is praised for its efficiency, professionalism, and ability to deliver high-quality leads and responsive customer service. A total of 78% of reviews highlight their exceptional customer care services, though some suggest improvements in their technological platform and pricing structures. [Visit Website](https://www.dialamerica.com) --- ### [Sound Telecom](https://clutch.co/profile/sound-telecom) #### 4.2 out of 5 star rating (19 reviews) - 10 - 49 employees - Spokane, WA #### Services Provided - Allocation of Expertise by Percentage - 50% Call Center Services - 50% Customer Service Outsourcing #### Company description Sound 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. [Visit Website](http://www.sound-tele.com/) --- ### [GCS Agents](https://clutch.co/profile/gcs-agents) #### 4.9 out of 5 star rating (6 reviews) - $50,000+ minimum project size - $25 - $49 average hourly rate - 250 - 999 employees - Salisbury, NC #### Services Provided - Allocation of Expertise by Percentage - 10% Back Office Outsourcing - 35% Call Center Services - 40% Customer Service Outsourcing - 5% HR Consulting - 10% Business Consulting #### Company description GCS Agents is a dedicated provider of Contact Center Services, specializing in both Inbound and Outbound Call Center solutions. Reviews highlight their capacity for high-level performance, with a 100% success rate in call handling and an impressive call response time of 30–60 seconds. Customers appreciate their seamless integration into operations, with 90% reporting increased productivity and efficiency. Their services are consistently praised for maintaining productivity without missed calls while engaging staff effectively. [Visit Website](https://www.gcsagents.com/) --- ### [LiveAdmins](https://clutch.co/profile/liveadmins) #### 5 out of 5 star rating (1 reviews) - 250 - 999 employees - Chicago, IL #### Services Provided - Allocation of Expertise by Percentage - 15% AI Consulting - 25% AI Development - 25% Call Center Services - 20% Customer Service Outsourcing - 15% Generative AI #### Company description LiveAdmins offers Contact Center Services and specializes in Customer Support Services, providing real-person interaction for website chat solutions. Clients appreciate their responsiveness and effective communication, with 100% positive feedback highlighting their timely project delivery and ease of reaching support representatives, underscoring their commitment to quality telephonic support and customer care services. [Visit Website](https://www.liveadmins.com/) --- ### [TeleContact Resource Services](https://clutch.co/profile/telecontact-resource-services) #### 4.6 out of 5 star rating (4 reviews) - $1,000+ minimum project size - 50 - 249 employees - Riverbank, CA #### Services Provided - Allocation of Expertise by Percentage - 50% Call Center Services - 50% Sales Outsourcing #### Company description TeleContact 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. [Visit Website](https://trstelemarketing.com) --- ### [Express Virtual Assistant](https://clutch.co/profile/express-virtual-assistant) #### 4.6 out of 5 star rating (28 reviews) - $1,000+ minimum project size - < $25 average hourly rate - 250 - 999 employees - Princeton, NJ #### Services Provided - Allocation of Expertise by Percentage - 50% Back Office Outsourcing - 50% Call Center Services #### Company description Express Virtual Assistant is a highly regarded company specializing in Contact Center Services and Customer Support Services, including call handling and telephonic support. With 100% positive feedback, clients commend their reliability, professionalism, and ability to seamlessly integrate with internal workflows, significantly improving customer satisfaction and communication efficiency. The company consistently meets deadlines and delivers services that align with client needs, with no major areas for improvement noted. [Visit Website](https://www.expressvirtualassistant.com/) --- ### [GroupOne](https://clutch.co/profile/groupone) #### 4 out of 5 star rating (1 reviews) - $1,000+ minimum project size - < $25 average hourly rate - 250 - 999 employees - Jefferson City, MO #### Services Provided - Allocation of Expertise by Percentage - 50% Back Office Outsourcing - 25% Call Center Services - 25% Transcription #### Company description GroupOne 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. [Visit Website](http://www.grouponehealthsource.com/) --- ### [Complete Call Solutions](https://clutch.co/profile/complete-call-solutions) #### 4.5 out of 5 star rating (19 reviews) - $1,000+ minimum project size - < $25 average hourly rate - 50 - 249 employees - Omaha, NE #### Services Provided - Allocation of Expertise by Percentage - 60% Call Center Services - 40% Customer Service Outsourcing #### Company description Complete Call Solutions is a company specializing in Contact Center Services, offering Inbound and Outbound Call Center support, Customer Support Services, and Telephonic Support. Reviews indicate a high level of satisfaction with their responsiveness, scalability, and ability to improve customer service efficiency. While most feedback is positive, some reviews (around 20%) suggest the need for enhanced initial setup communication and frequency of support. [Visit Website](http://www.completecallsolutions.com/?utm_source=clutch.co&utm_medium=referral) --- ### [Sunshine1](https://clutch.co/profile/sunshine1) #### 3.5 out of 5 star rating (1 reviews) - 2 - 9 employees - Coral Gables, FL #### Services Provided - Allocation of Expertise by Percentage - 25% Back Office Outsourcing - 64% Call Center Services - 11% Customer Service Outsourcing #### Company description Sunshine1 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. [Visit Website](http://www.sunshine1.com/) --- ### [Westpark Communications](https://clutch.co/profile/westpark-communications) #### 4.8 out of 5 star rating (4 reviews) - 50 - 249 employees - Spring, TX #### Services Provided - Allocation of Expertise by Percentage - 25% Back Office Outsourcing - 25% Call Center Services - 40% Customer Service Outsourcing - 10% Sales Outsourcing #### Company description Westpark Communications is a versatile provider of Contact Center Services, specializing in Customer Care Services and telephonic support, including Inbound and Outbound Call Center solutions. Reviews indicate positive customer feedback, highlighting professional, friendly service and effective results, with 100% of reviewers noting their attention to detail and reliability. However, some mention a need for improved agent training. [Visit Website](https://www.westparkcom.net) --- ### [Evateck](https://clutch.co/profile/evateck) #### 5 out of 5 star rating (5 reviews) - $1,000+ minimum project size - < $25 average hourly rate - 50 - 249 employees - Fort Lauderdale, FL #### Services Provided - Allocation of Expertise by Percentage - 10% Back Office Outsourcing - 15% Call Center Services - 50% Customer Service Outsourcing - 10% IT Managed Services - 5% Business Consulting - 10% IT Staff Augmentation #### Company description Evateck 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. [Visit Website](https://www.evateck.com/?utm_source=clutch.co&utm_medium=referral&utm_campaign=directory) --- ### [Call Experts](https://clutch.co/profile/call-experts) #### 4.4 out of 5 star rating (16 reviews) - 50 - 249 employees - Charleston, SC #### Services Provided - Allocation of Expertise by Percentage - 85% Call Center Services - 15% Customer Service Outsourcing #### Company description Call 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. [Visit Website](http://callexperts.com/) --- ### [RemSource](https://clutch.co/profile/remsource) #### 4.7 out of 5 star rating (3 reviews) - $1,000+ minimum project size - < $25 average hourly rate - 10 - 49 employees - Baltimore, MD #### Services Provided - Allocation of Expertise by Percentage - 20% Back Office Outsourcing - 10% Call Center Services - 20% Customer Service Outsourcing - 30% Finance & Accounting Outsourcing (FAO) - 10% Financial Consulting - 10% Business Consulting #### Company description RemSource 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. [Visit Website](http://www.remsource.com/) --- ### [AdvancedMD](https://clutch.co/profile/advancedmd) #### 5 out of 5 star rating (1 reviews) - $1,000+ minimum project size - < $25 average hourly rate - 250 - 999 employees - South Jordan, UT #### Services Provided - Allocation of Expertise by Percentage - 75% Back Office Outsourcing - 15% Call Center Services - 10% Customer Service Outsourcing #### Company description AdvancedMD 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. [Visit Website](https://www.advancedmd.com) --- ### [Salaria Sales Solutions](https://clutch.co/profile/salaria-sales-solutions) #### 5 out of 5 star rating (6 reviews) - $1,000+ minimum project size - $100 - $149 average hourly rate - 50 - 249 employees - Arlington, VA #### Services Provided - Allocation of Expertise by Percentage - 25% Call Center Services - 25% Content Marketing - 25% Customer Service Outsourcing - 25% Digital Strategy #### Company description Salaria Sales Solutions is a business development sales support firm specializing in building outbound sales engines and lead generation. Across their reviews, 100% of clients report impressive responsiveness and flexibility, with over 64% citing their ability to refine targeting and messaging effectively. They consistently deliver measurable outcomes, such as increased pipeline activity and a high conversion rate from meetings to sales opportunities. [Visit Website](https://salariasales.com/) --- ### [MiXBS](https://clutch.co/profile/mixbs) #### 5 out of 5 star rating (23 reviews) - < $25 average hourly rate - 1,000 - 9,999 employees - Plantation, FL #### Services Provided - Allocation of Expertise by Percentage - 25% Call Center Services - 25% Customer Service Outsourcing - 30% Business Consulting - 20% Market Research #### Company description MiXBS 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. [Visit Website](https://mixbs.com/) --- ### [Your Service VA](https://clutch.co/profile/your-service-va) #### 5 out of 5 star rating (2 reviews) - $1,000+ minimum project size - < $25 average hourly rate - 1,000 - 9,999 employees - Clovis, NM #### Services Provided - Allocation of Expertise by Percentage - 50% Back Office Outsourcing - 10% Call Center Services - 10% Customer Service Outsourcing - 10% Finance & Accounting Outsourcing (FAO) - 10% HR Consulting - 10% Sales Outsourcing #### Company description Your Service VA is a virtual assistance company specializing in appointment scheduling services. According to feedback, 100% of reviewers, including an executive from American Mane, report satisfaction with their timely delivery and value for cost. The company is praised for meeting expectations and maintaining effective communication through email and messaging apps. [Visit Website](https://www.yourserviceva.com) --- ### [Boomsourcing](https://clutch.co/profile/boomsourcing) #### 5 out of 5 star rating (1 reviews) - $25,000+ minimum project size - < $25 average hourly rate - 50 - 249 employees - Lehi, UT #### Services Provided - Allocation of Expertise by Percentage - 10% Back Office Outsourcing - 25% Call Center Services - 25% Customer Service Outsourcing - 20% Demand Generation Marketing - 20% Sales Outsourcing #### Company description Boomsourcing 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. [Visit Website](https://www.boomsourcing.com/) --- ### [LiveSalesman](https://clutch.co/profile/livesalesman) #### 4.9 out of 5 star rating (7 reviews) - $10,000+ minimum project size - < $25 average hourly rate - 250 - 999 employees - Las Vegas, NV #### Services Provided - Allocation of Expertise by Percentage - 13% Back Office Outsourcing - 19% Call Center Services - 68% Customer Service Outsourcing #### Company description LiveSalesman 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. [Visit Website](https://livesalesman.com/) --- ### [Xync Inc.](https://clutch.co/profile/xync) #### 4.7 out of 5 star rating (5 reviews) - 50 - 249 employees - Marina del Rey, CA #### Services Provided - Allocation of Expertise by Percentage - 10% Back Office Outsourcing - 10% Call Center Services - 10% Customer Service Outsourcing - 70% Sales Outsourcing #### Company description Xync 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. [Visit Website](https://xyncinc.com/) --- ### [Calibrus](https://clutch.co/profile/calibrus) #### 5 out of 5 star rating (1 reviews) - $1,000+ minimum project size - < $25 average hourly rate - 50 - 249 employees - Tempe, AZ #### Services Provided - Allocation of Expertise by Percentage - 70% Call Center Services - 15% Customer Service Outsourcing - 15% Sales Outsourcing #### Company description Calibrus 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. [Visit Website](https://www.calibrus.com) --- ### [Virtual Receptionist Pro](https://clutch.co/profile/virtual-receptionist-pro) #### 5 out of 5 star rating (1 reviews) - < $25 average hourly rate - 2 - 9 employees - Miami, FL #### Services Provided - Allocation of Expertise by Percentage - 100% Call Center Services #### Company description Virtual 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. [Visit Website](https://virtualreceptionistpro.com/) --- ### [ALPHA BPO Corp](https://clutch.co/profile/alpha-bpo-corp) #### 5 out of 5 star rating (3 reviews) - $5,000+ minimum project size - < $25 average hourly rate - 10 - 49 employees - Miami, FL #### Services Provided - Allocation of Expertise by Percentage - 25% Back Office Outsourcing - 20% Call Center Services - 30% Customer Service Outsourcing - 10% Digital Strategy - 15% IT Managed Services #### Company description ALPHA BPO Corp is a distinguished provider of Contact Center Services, specializing in both Inbound and Outbound Call Center solutions. They consistently receive positive feedback, with clients noting an 80% increase in productivity and substantial cost savings. Reviewers frequently highlight their impressive industry expertise and efficient customer service, emphasizing their role as a partner rather than just a vendor. [Visit Website](https://www.alphabpo.net) --- ### [Servixer, LLC](https://clutch.co/profile/servixer) #### 5 out of 5 star rating (1 reviews) - $1,000+ minimum project size - < $25 average hourly rate - 50 - 249 employees - Sheridan, WY #### Services Provided - Allocation of Expertise by Percentage - 10% Call Center Services - 10% Customer Service Outsourcing - 15% Digital Strategy - 10% Finance & Accounting Outsourcing (FAO) - 25% Social Media Marketing - 30% Transcription #### Company description Servixer, 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. [Visit Website](https://servixer.com/) --- #### Get personalized agency matches based on your project goals. [Find the right fit](https://project.clutch.co/project-brief?source=directory_slide_in_CTA&BPB_adoption_source=directory) ## Why 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](https://clutch.co/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. ## U.S. Third Party Verification FAQs ### Why hire a U.S.-based third party verification agency? A U.S.-based partner brings deep familiarity with federal and state rules that often govern verification—think TCPA and TSR for telesales, HIPAA for healthcare, GLBA for financial data, and evolving privacy laws like CPRA. That local context reduces the risk of invalid verifications, fines, or disputes. Moreover, you’ll also benefit from data security standards that more buyers demand, such as SOC 2 Type II and ISO 27001. Other advantages include time zone alignment, English-first operations, and knowledge of sector-specific nuances in utilities, telecom, fintech, and insurance. Essentially, U.S.-based third-party verification teams deliver compliant solutions with faster response times and clearer audit trails. ### How much does it cost to hire a third party verification firm in the United States? Pricing varies because of factors like volume, compliance scope, and whether you need custom integrations. Clutch’s recent data shows that the typical ranges you’ll see go: Per-minute voice TPV: $0.75 – $1.75 Per-call TPV (flat): $3 – $10+ based on length/complexity Monthly retainers for managed TPV programs: $2,500 – $20,000+ Implementation/integration (CRM, order systems, APIs): $10,000 – $75,000+ Independent verification services (e.g., controls testing, audit support): $15,000 – $60,000+ per engagement Site or vendor verification (fieldwork): $500 – $2,000 per site plus travel Ask providers to break out setup, variable usage, storage/recording, and change-order fees to compare the true total cost of ownership. ### Which industries do U.S. third party verification firms serve? U.S. verification providers support a broad set of regulated and high-volume sectors: Telecom and cable — order confirmation, plan changes, and consent capture Energy and utilities — enrollment verification for power, gas, and solar Financial services and fintech — KYC/KYB support, disclosure acknowledgment, loan and card activations Healthcare — patient consent, benefits verification (HIPAA-aligned workflows) E-commerce and marketplaces — seller onboarding and risk checks Insurance — policy applications, add-ons, and renewal confirmations Home services and security — recorded authorizations and contract acceptance B2B SaaS and enterprise — independent verification of controls, attestations, and certifications ### How do I choose the right third party verification agency in the United States? Start by outlining your project’s requirements — i.e., third party verification process, regulatory frameworks, etc. Then, explore Clutch’s curated directories and evaluate potential partners on: Compliance and security — SOC 2 Type II, ISO 27001, HIPAA BAAs, secure storage, encryption, data retention. Operational rigor — QA programs, calibration routines, low dispute/error rates, clear SLAs. Technology — call recording access, searchable audit trails, API/webhook integrations with CRM/OMS, omnichannel support. Transparency — sample scripts, redaction policies, sample reports, referenceable case studies in your industry. Fit and flexibility — pilot programs, month-to-month or phased contracts, US-based or hybrid staffing to meet your needs. ### What are red flags when hiring a third party verification firm in the United States? No access to full call recordings, timestamps, or immutable audit trails Vague or missing data retention and redaction policies Lack of recognized certifications (e.g., no SOC 2 Type II) despite handling sensitive data High dispute/invalid rates with no root-cause analysis Resistance to pilots, references, or third-party security questionnaires Long-term lock-ins without performance-based outs Poor grasp of TCPA/TSR, state-specific rules, or consent language One-size-fits-all scripts that don’t reflect your disclosures or risk profile Always be vigilant when considering potential partners for your third party verification project. Doing your due diligence well will help you avoid red flags and prevent unnecessary complications.