Top 100 Lead Generation Companies
The Best of December 2025Looking for a top lead generation company?
You have a good product but struggle to gain customers because the market is either saturated or dominated. Lead generation services will work wonders for you. Cold calling is not the only focus of lead generation companies. They provide many services, including content creation, blog posting, and social media outreach.
Working with a reliable service provider will give you the edge you need, and The Manifest is here to help you connect with them. We’ve listed the top lead generation companies, gathered their former clients’ testimonials, and curated their profiles for you.
List of the Best Lead Generation Services
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571$1,000+10 - 49 employeesToronto, CanadaRead More
AppointmentSetter is a B2B appointment setting and lead generation firm based in Toronto. The firm, founded in 2006, has a team of less than 50 provides appointment-setting services that connect small to medium-sized businesses with potential clients.
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572$1,000+10 - 49 employeesSaasprospects LLC, a sales outsourcing company, is based in Sheridan, Wyoming and Bengaluru, India. The small team focuses on sales outsourcing, content marketing, and email marketing and was launched in 2016.Read More
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573$1,000+10 - 49 employeesEden Prairie, MNEstablished in 2010, Grow Your Sales Pipeline is a small Sales Outsourcing company. Their team offers Sales Outsourcing and Corporate Training & Coaching.Read More
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574Undisclosed10 - 49 employeesMilwaukee, WIMPI is a Sales Outsourcing company. In Milwaukee, Wisconsin and Grafton, Wisconsin, the agency was launched in 1996. Their team specializes in Sales Outsourcing and Marketing Strategy.Read More
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575$1,000+50 - 249 employeesOrmoc, PhilippinesVirtual Staffing Solutions, a Back Office Outsourcing company, specialize in Back Office Outsourcing and Accounting. They were launched in 2018.Read More
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576$1,000+50 - 249 employeesFrist Database, an Email Marketing company, is headquartered in Tulsa, Oklahoma. They focus on Email Marketing and Sales Outsourcing and were established in 2015.Read More
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577$1,000+50 - 249 employeesPune, IndiaOnly B2B is a Pune, India-based Sales Outsourcing company. They provide Sales Outsourcing.Read More
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578$1,000+2 - 9 employeesRead More
Worldwide Call Centers is an outsourcing consultancy and call center network based in Colorado Springs, Colo. Founded in 1998, they have fewer than 10 employees but work with proprietary outsourcing groups depending on their clients' needs. Thye mostly provides strategic consulting with respect to outsourcing placement, but can also directly provide voice and non-voice business process outsourcing services.
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579$1,000+2 - 9 employeesPPC agency and Sales Outsourcing company Water Damage Marketing specializes in Pay Per Click and Sales Outsourcing. They are headquartered in Nashville, Tennessee.Read More
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580Undisclosed2 - 9 employeesGlendale, CALaunched in 2021, Freeform PR & Branding is a PR company. The team specializes in Public Relations and Social Media Marketing.Read More
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581Undisclosed2 - 9 employeesBondi Junction, AustraliaThought Source is a Business Consulting company. The Dover, Delaware-based agency was founded in 2006. Their team focuses on Business Consulting and Marketing Strategy.Read More
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582Undisclosed250 - 999 employeesJakarta, IndonesiaINFOMEDIA NUSANTARA is a Jakarta, Indonesia-based Customer Service Outsourcing company. They provide Customer Service Outsourcing and Call Center Services and were established in 1984.Read More
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583$1,000+50 - 249 employeesPhoenix, AZESA Fabrication is a Sales Outsourcing company headquartered in Phoenix, Arizona and Phoenix, Arizona. Launched in 2015, the team offers Sales Outsourcing.Read More
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584Undisclosed10 - 49 employeesIndore, IndiaIn Indore, India, Design Collection is a Digital Strategy and Sales Outsourcing company. They offer Digital Strategy and Sales Outsourcing.Read More
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585Undisclosed2 - 9 employeesEstablished in 2014, sales experts GmbH is a Sales Outsourcing company. The agency specializes in Sales Outsourcing and Direct Marketing, and is small.Read More
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586$10,000+2 - 9 employeesLondon, EnglandBusiness Consulting company salesmentor was founded in 2021. The team specializes in Business Consulting and Sales Outsourcing.Read More
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587$1,000+250 - 999 employeesSanto Domingo, Dominican RepublicIn Santo Domingo, Dominican Republic, TrueShore is a midsize call center. Their services include Call Center Services and Customer Service Outsourcing.Read More
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588Undisclosed50 - 249 employeesChristchurch, New Zealand2B Connected Limited is a Sales Outsourcing company based in Christchurch, New Zealand. Their services include Sales Outsourcing and Call Center Services.Read More
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589Undisclosed50 - 249 employeesDhaka, BangladeshTeleConsult Group (TCG), a software development company, specializes in Custom Software Development and Back Office Outsourcing. The agency is based in Dhaka, Bangladesh.Read More
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590$1,000+2 - 9 employeesMinsk, BelarusReach The Lead, an Email Marketing company, specializes in Email Marketing and Business Consulting. The company is headquartered in Minsk, Belarus.Read More
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591Undisclosed250 - 999 employeesLisboa, PortugalCluster Outsourcing Services Limited is an answering service. They offer Call Center Services and Customer Service Outsourcing and were established in 2020.Read More
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592Undisclosed1,000 - 9,999 employeesMilano, ItalyGrowth, a Sales Outsourcing company, was founded in 2019. They are based in Milano, Italy and have a large team. Their services include Sales Outsourcing, Email Marketing, and Account-Based Marketing.Read More
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593$5,000+2 - 9 employeesClimb Consulting, a Sales Outsourcing company, specializes in Sales Outsourcing. The company is based in Brooklyn, New York.Read More
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594$1,000+2 - 9 employeesUndisclosedProspectPeak is a Sales Outsourcing company. They were founded in 2023 and specialize in Sales Outsourcing.Read More
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595$1,000+2 - 9 employeesLaunched in 2023, Orange Sales Cow is a small Sales Outsourcing company located in Remote, Oregon. Their team offers Sales Outsourcing.Read More
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596$1,000+2 - 9 employeesLimeberry Leads is a Sales Outsourcing company. Located in Rådal, Norway, their team specializes in Sales Outsourcing and Other Digital Marketing.Read More
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597$10,000+50 - 249 employeesNew York, NYLocated in New York, New York and Nicosia, Cyprus, Apects is a Conversion Optimization and Sales Outsourcing company. The team provides Conversion Optimization and Sales Outsourcing.Read More
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598$100,000+10,000+ employeesSan Francisco, CAEstablished in 1999, SalesForsaas is a Data Annotation Services company. Their services include Data Annotation Services and CRM consulting and SI.Read More
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599$1,000+2 - 9 employeesCelbridge, IrelandAutomation Sidekick is a Sales Outsourcing company based in Celbridge, Ireland. Launched in 2024, the team offers Sales Outsourcing.Read More
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600Undisclosed10 - 49 employeesMinneapolis, MNSales Outsourcing company B2B Lanes provides Sales Outsourcing. They were launched in 2020.Read More
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