Top Lead Generation Companies & Services
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Featured
What are Featured Providers?
$5,000+Undisclosed50 - 249Laguna Beach, CAServices provided
Focus Areas
See all 59 projectsLevelUp Leads is a Sales Outsourcing Solutions provider specializing in sales team augmentation and sales performance enhancement. Their services include sales development, lead generation, and outbound sales processes. With 100% positive feedback, clients commend their ability to tailor messaging, enhance sales pipelines, and maintain efficient project management. Approximately 50% of reviewers highlight their adaptability and the human element in communication, emphasizing collaboration over transactional interactions.
$1,000+Undisclosed1,000 - 9,999New York, NYServices provided
Focus Areas
See all 54 projectsAppointment Setter Online is a Sales Outsourcing Solutions company specializing in appointment setting, lead qualification, and sales support services. Reviews indicate a high level of client satisfaction, with approximately 90% of feedback being positive, highlighting their professionalism, adaptability, and impact on increasing sales conversions. Clients frequently commend their structured processes and efficient communication, while minor suggestions include more detailed reporting.
$1,000+< $25 / hr10 - 49Buenos Aires, ArgentinaServices provided
Focus Areas
See all 11 projectsVrand is a sales development agency specializing in sales outsourcing solutions, with a strong focus on lead generation and conversion through LinkedIn campaigns and cold emailing. Reviews highlight their professionalism, timely delivery, and effective project management. With an 80% conversion from prospect to scheduled meetings and consistent positive feedback, clients are impressed by their commitment and knowledge, with no significant areas for improvement mentioned.
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$1,000+< $25 / hr10 - 49Orlando, FL
Services provided
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Established in 1987, Alliance Communications is a call center. The team focuses on Call Center Services and Customer Service Outsourcing.
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UndisclosedUndisclosed10 - 49Los Angeles, CA
Services provided
Focus Areas
Web Leads Inc is a small Advertising company. They specialize in Advertising and Mobile App Development and were established in 2010.
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Featured
What are Featured Providers?
$1,000+$50 - $99 / hr10 - 49Horsham , EnglandServices provided
Focus Areas
See all 22 projectsVirtual Sales Limited is a professional sales outsourcing solutions provider, specializing in sales team augmentation and business development. They consistently receive positive feedback, with approximately 95% of reviewers praising their ability to integrate seamlessly with client teams and their strong communication skills. Clients highlight their impressive project management and ability to enhance sales performance effectively.
$10,000+$50 - $99 / hr10 - 49Willoughby, OHServices provided
Focus Areas
See all 8 projectsJMS Elite is a Sales Outsourcing Solutions provider specializing in strategic, targeted engagements for B2B industries. Review feedback highlights their professionalism, with 100% noting timely deliverables and effective communication. Approximately 50% of reviewers praise their high-quality sales staff and ability to become integral parts of the client's team, ensuring consistent success across multiple projects.
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UndisclosedUndisclosed10 - 49Los Angeles, CA
Services provided
Focus Areas
Optimal Fusion is an Email Marketing company. Launched in 1996, the agency is based in Los Angeles, California. Their services include Email Marketing and Advertising.
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UndisclosedUndisclosed10 - 49Roma, Italy
Services provided
Focus Areas
Rephouse s.r.l., a Customer Service Outsourcing company, is in Roma, Italy. Launched in 2006, the team provides Customer Service Outsourcing and Direct Marketing.
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$1,000+< $25 / hr50 - 249Secunderabad, India
Services provided
Focus Areas
H-Line Soft is a midsize Back Office Outsourcing company based in Secunderabad, India and Fremont, California. The team provides Back Office Outsourcing and HR Consulting.
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$1,000+< $25 / hr50 - 249Prague, Czech Republic
Services provided
Focus Areas
Comdata Czech is a call center company located in Prague, Czech Republic. Established in 1987, the team specializes in Call Center Services and Customer Service Outsourcing.
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UndisclosedUndisclosed50 - 249Caracas, Venezuela
Services provided
Focus Areas
Phone answering service Directa Group is based in Caracas, Venezuela. They focus on Call Center Services and Sales Outsourcing.
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UndisclosedUndisclosed50 - 249Bengaluru, India
Services provided
Focus Areas
Back Office Outsourcing company Exel BPO Solutions is headquartered in Bengaluru, India. Their services include Back Office Outsourcing and Market Research.
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UndisclosedUndisclosed50 - 249İstanbul, Türkiye
Services provided
Focus Areas
Creafone is a Customer Service Outsourcing company. In İstanbul, Türkiye, the agency offers Customer Service Outsourcing and Call Center Services.
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UndisclosedUndisclosed50 - 249Beograd, Serbia
Services provided
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ICM International Call Center Marketing is a call center service launched in 2014. The team specializes in Call Center Services and Sales Outsourcing and is located in Beograd, Serbia.
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UndisclosedUndisclosed50 - 249Greensboro, NC
Services provided
Focus Areas
RSVP Communications, Inc is a Greensboro, North Carolina-based Email Marketing company. Launched in 1985, the team specializes in Email Marketing and Fulfillment.
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UndisclosedUndisclosed50 - 249
Services provided
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Transcend - Palestine, a custom software development company, was established in 2011. The midsize team specializes in Custom Software Development and Customer Service Outsourcing.
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UndisclosedUndisclosed50 - 249Bremen, Germany
Services provided
Focus Areas
Intan international, a branding agency, was launched in 1981. The midsize team offers Branding and E-Commerce Development.
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UndisclosedUndisclosed50 - 249
Services provided
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Xpedite LLC, an Accounting company, offer Accounting and Call Center Services. They were founded in 2013.
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UndisclosedUndisclosed50 - 249Lund, Sweden
Services provided
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Online Fulfillment Sverige AB is a Lund, Sweden-based answering service. They focus on Call Center Services and Customer Service Outsourcing and were launched in 1993.
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UndisclosedUndisclosed50 - 249Cincinnati, OH
Services provided
Focus Areas
Marketing Support Services is a print design agency established in 1987. The company focuses on Print Design and Warehousing & Distribution, and is midsize.
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UndisclosedUndisclosed50 - 249Secunderabad, India
Services provided
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STABLX, a Content Marketing company, is located in Secunderabad, India and Hyderabad, India. Launched in 2017, the team focuses on Content Marketing and Search Engine Optimization.
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UndisclosedUndisclosed50 - 249Almere, Netherlands
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Daisycon is an Advertising company founded in 2000. The team offers Advertising and Branding.
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Undisclosed$25 - $49 / hrFreelancerNew Delhi, India
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Established in 2022, SaleSparx is a small New Delhi, India-based SEO services firm. Their team specializes in Search Engine Optimization and Sales Outsourcing.
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UndisclosedUndisclosed50 - 249New Delhi, India
Services provided
Focus Areas
Founded in 2013, KSBM Infotech Pvt Ltd is a software development company. The team offers Custom Software Development and Mobile App Development and is based in New Delhi, India.
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UndisclosedUndisclosed50 - 249Springdale, AR
Services provided
Focus Areas
Branding agency Simba 7 Media is headquartered in Springdale, Arkansas. Their services include Branding and Digital Strategy.
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$10,000+UndisclosedFreelancer
Services provided
Focus Areas
Charcon BPO is an Email Marketing company. Their small team of employees is based in. Their team focuses on Email Marketing and Sales Outsourcing.
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UndisclosedUndisclosed50 - 249City of London, England
Services provided
Focus Areas
Tomorrow Advertising is an Advertising company. Headquartered in City of London, England, the agency focuses on Advertising and Social Media Marketing.
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UndisclosedUndisclosed50 - 249Milano, Italy
Services provided
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CRM consulting and SI company Del Monte & Partner Comunicazione S.r.L. Was founded in 2001. The team specializes in CRM consulting and SI and Digital Strategy and is based in Milano, Italy.
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UndisclosedUndisclosed50 - 249Toronto, Canada
Services provided
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Republix is a midsize Toronto, Canada-based branding company. The team provides Branding and Media Planning & Buying.
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UndisclosedUndisclosed50 - 249Jacksonville, FL
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Focus Areas
MECLABS Institute is a Jacksonville, Florida-based AI company. Their services include Artificial Intelligence and Advertising.
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UndisclosedUndisclosed50 - 249New Orleans, LA
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Launched in 2014, Locally is a Conversion Optimization company. The team provides Conversion Optimization and Search Engine Optimization.
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UndisclosedUndisclosed50 - 249Dnipro, Ukraine
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Penguin-team is a branding company. Launched in 2013, the team offers Branding and Search Engine Optimization. The firm is in Dnipro, Ukraine.
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UndisclosedUndisclosed50 - 249London, England
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Focus Areas
Social media marketing firm Creative Nerds was founded in 2008. The company offers Social Media Marketing and Branding.
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UndisclosedUndisclosed50 - 249Newburgh, IN
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Established in 2016, VIV is a midsize Advertising company located in Newburgh, Indiana. Their team provides Advertising and Marketing Strategy.
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UndisclosedUndisclosed50 - 249San Francisco, CA
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Speechpad, a midsize Transcription company, is headquartered in San Francisco, California and Hollywood, Florida. The team specializes in Transcription and Translation.
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Undisclosed$25 - $49 / hr50 - 249
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Founded in 2020, Treble Solutions is a Business Consulting company. In Randburg, South Africa, the team offers Business Consulting and Call Center Services.
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UndisclosedUndisclosed50 - 249Mountain House, CA
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Abeda Digital Services, a social media marketing firm, was launched in 2013. The team offers Social Media Marketing and Content Marketing and is in Mountain House, California.
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$5,000+$25 - $49 / hr2 - 9Brewster, NY
Services provided
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ConvertB2B, a small Content Marketing company, is based in Brewster, New York. The team specializes in Content Marketing and Email Marketing.
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$10,000+$200 - $300 / hr2 - 9Gorham, ME
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Focus Areas
Optimum Conversion is a Market Research company. Established in 2022, the company is in Gorham, Maine. Their team offers Market Research and Sales Outsourcing.
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$1,000+< $25 / hr2 - 9
Services provided
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MarginSales is a CRM consulting and SI company. They are located in Gurugram, India, and their services include CRM consulting and SI and Sales Outsourcing.
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UndisclosedUndisclosed2 - 9
Services provided
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Affinity BPO Hub is a small Customer Service Outsourcing company founded in 2024. Their team specializes in Customer Service Outsourcing and Call Center Services.
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UndisclosedUndisclosed2 - 9Jackson, MS
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Focus Areas
Based in Jackson, Mississippi, Aristo Law is a Back Office Outsourcing company. The team focuses on Back Office Outsourcing and Finance & Accounting Outsourcing (FAO).
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Undisclosed$25 - $49 / hr2 - 9
Services provided
Focus Areas
Global Admin, a small call center, is based in Springfield Lakes, Australia. The team specializes in Call Center Services and Back Office Outsourcing.
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Undisclosed$100 - $149 / hr10 - 49Stuttgart, Germany
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Focus Areas
Founded in 2021, Connect Company, a small Email Marketing company, is in Stuttgart, Germany. Their team focuses on Email Marketing and Sales Outsourcing.
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$1,000+Undisclosed10 - 49T'bilisi, Georgia
Services provided
Focus Areas
Branding agency Brandwise was founded in 2022. The company offers Branding and Web Design.
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$1,000+< $25 / hr10 - 49
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Focus Areas
Rakindus is a software development firm. They are in Coimbatore, India, and their services include Custom Software Development and Back Office Outsourcing.
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UndisclosedUndisclosed2 - 9Bremen, Germany
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Azur Dialog is a Sales Outsourcing company. The team is in Bremen, Germany, and their services include Sales Outsourcing and Call Center Services.
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Undisclosed< $25 / hr2 - 9Kelowna, Canada
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Launched in 2022, GetSavvyVA is a Sales Outsourcing company. The firm provides Sales Outsourcing and Call Center Services.
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$1,000+< $25 / hr2 - 9New York, NY
Services provided
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Messages Plus is a small New York, New York-based telephone answering service. The team offers Call Center Services and Customer Service Outsourcing.
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$1,000+< $25 / hr10 - 49Davao City, Philippines
Services provided
Focus Areas
Pepper VA, a small Back Office Outsourcing company, is headquartered in Davao City, Philippines. The team provides Back Office Outsourcing and Call Center Services.
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$1,000+< $25 / hr10 - 49Oakville, Canada
Services provided
Focus Areas
Small answering service One Touch Solutions, is based in Oakville, Canada and Plainview, New York. The team provides Call Center Services and Back Office Outsourcing.
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$10,000+$100 - $149 / hr10 - 49Blue Bell, PA
Services provided
Focus Areas
Launched in 2001, Annodyne, Inc. Is a small Blue Bell, Pennsylvania-based branding company. Their team focuses on Branding and Market Research.
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$5,000+$100 - $149 / hr10 - 49Hartland, WI
Services provided
Focus Areas
Founded in 2011, Guarantee Digital is a web design company. The agency focuses on Web Design and Digital Strategy, and is small.
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$1,000+$25 - $49 / hr10 - 49Mumbai, India
Services provided
Focus Areas
Veenus Group of Compnanies is a Back Office Outsourcing company. Their team is based in Mumbai, India and focuses on Back Office Outsourcing and Customer Service Outsourcing.
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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.
The Best Lead Generation Companies
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$1,000+< $25 / hr50 - 249Denver, CO
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
70% Sales Outsourcing65% B2B Lead Generation30% Other -
$1,000+$25 - $49 / hr250 - 999Oakville, Canada
Ability to deliver
39.4/40.019.4/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
70% Sales Outsourcing50% B2B Lead Generation30% Other -
$5,000+Undisclosed50 - 249Laguna Beach, CA
Ability to deliver
39.6/40.020/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
70% Sales Outsourcing50% B2B Lead Generation30% Other -
UndisclosedUndisclosed1,000 - 9,999Los Angeles, CA
Ability to deliver
37.1/40.019.6/20 Reviews10/10 Clients & Experience7.5/10 Market PresenceService focus
60% Sales Outsourcing83% B2B Lead Generation40% Other -
$1,000+$25 - $49 / hr50 - 249Ottawa, Canada
Ability to deliver
38.1/40.019.2/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
75% Sales Outsourcing60% B2B Lead Generation25% Other -
$1,000+< $25 / hr50 - 249London, England
Ability to deliver
37.9/40.020/20 Reviews10/10 Clients & Experience7.9/10 Market PresenceService focus
60% Sales Outsourcing60% B2B Lead Generation40% Other -
$10,000+Undisclosed50 - 249Boca Raton, FL
Ability to deliver
38.2/40.018.6/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
80% Sales Outsourcing50% B2B Lead Generation20% Other -
$1,000+< $25 / hr1,000 - 9,999Hollywood, FL
Ability to deliver
39/40.020/20 Reviews10/10 Clients & Experience9/10 Market PresenceService focus
10% Sales Outsourcing34% B2B Lead Generation90% Other -
$1,000+$50 - $99 / hr10 - 49Olympia, WA
Ability to deliver
36.9/40.019.2/20 Reviews10/10 Clients & Experience7.7/10 Market PresenceService focus
70% Sales Outsourcing70% B2B Lead Generation30% Other -
$1,000+< $25 / hr250 - 999Portland, OR
Ability to deliver
39/40.019.2/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Sales Outsourcing50% B2B Lead Generation90% Other -
$1,000+$100 - $149 / hr250 - 999St. Louis, MO
Ability to deliver
38.3/40.018.6/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
75% Sales Outsourcing20% B2B Lead Generation25% Other -
$1,000+< $25 / hr50 - 249Las Vegas, NV
Ability to deliver
38.3/40.019.4/20 Reviews9.8/10 Clients & Experience9.1/10 Market PresenceService focus
75% Sales Outsourcing30% B2B Lead Generation25% Other -
$10,000+$25 - $49 / hr250 - 999Simi Valley, CA
Ability to deliver
35.2/40.015.6/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
70% Sales Outsourcing40% B2B Lead Generation30% Other -
$10,000+< $25 / hr10,000+Pasig, Philippines
Ability to deliver
34.2/40.014.6/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
20% Sales Outsourcing55% B2B Lead Generation80% Other -
$5,000+$150 - $199 / hr10 - 49
Ability to deliver
34.2/40.016.2/20 Reviews10/10 Clients & Experience8/10 Market PresenceService focus
100% Sales Outsourcing100% B2B Lead Generation -
$1,000+Undisclosed1,000 - 9,999New York, NY
Ability to deliver
36.2/40.020/20 Reviews10/10 Clients & Experience6.2/10 Market PresenceService focus
55% Sales Outsourcing20% B2B Lead Generation45% Other -
$1,000+Undisclosed250 - 999Nashville, TN
Ability to deliver
33.1/40.015/20 Reviews8.4/10 Clients & Experience9.7/10 Market PresenceService focus
60% Sales Outsourcing50% B2B Lead Generation40% Other -
$1,000+< $25 / hr2 - 9Kyiv, Ukraine
Ability to deliver
34.4/40.016/20 Reviews9.9/10 Clients & Experience8.5/10 Market PresenceService focus
80% Sales Outsourcing75% B2B Lead Generation20% Other -
UndisclosedUndisclosed250 - 999
Ability to deliver
36/40.019.4/20 Reviews8.3/10 Clients & Experience8.2/10 Market PresenceService focus
10% Sales Outsourcing100% B2B Lead Generation90% Other -
$1,000+$25 - $49 / hr10 - 49Los Angeles, CA
Ability to deliver
34/40.016/20 Reviews9.4/10 Clients & Experience8.7/10 Market PresenceService focus
40% Sales Outsourcing100% B2B Lead Generation60% Other -
$5,000+$25 - $49 / hr250 - 999Home, KS
Ability to deliver
33.6/40.016.2/20 Reviews9.2/10 Clients & Experience8.2/10 Market PresenceService focus
25% Sales Outsourcing60% B2B Lead Generation75% Other -
$1,000+$50 - $99 / hr10 - 49Horsham , England
Ability to deliver
37.6/40.018.2/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
60% Sales Outsourcing20% B2B Lead Generation40% Other -
$1,000+< $25 / hr250 - 999
Ability to deliver
31.9/40.017.4/20 Reviews8.9/10 Clients & Experience5.6/10 Market PresenceService focus
50% Sales Outsourcing50% B2B Lead Generation50% Other -
$5,000+$100 - $149 / hr50 - 249Denver, CO
Ability to deliver
33.8/40.016/20 Reviews10/10 Clients & Experience7.8/10 Market PresenceService focus
90% Sales Outsourcing50% B2B Lead Generation10% Other -
$1,000+$50 - $99 / hr50 - 249Farmington, CT
Ability to deliver
33.2/40.015.2/20 Reviews8.3/10 Clients & Experience9.7/10 Market PresenceService focus
100% Sales Outsourcing55% B2B Lead Generation -
$25,000+Undisclosed1,000 - 9,999Sofia, Bulgaria
Ability to deliver
32.7/40.016.2/20 Reviews9.7/10 Clients & Experience6.8/10 Market PresenceService focus
75% Sales Outsourcing30% B2B Lead Generation25% Other -
$5,000+Undisclosed250 - 999Austin, TX
Ability to deliver
34.1/40.017.8/20 Reviews8.4/10 Clients & Experience7.9/10 Market PresenceService focus
40% Sales Outsourcing30% B2B Lead Generation60% Other -
$1,000+$50 - $99 / hr10 - 49Ipswich, England
Ability to deliver
35.3/40.016/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
15% Sales Outsourcing100% B2B Lead Generation85% Other -
$5,000+< $25 / hr1,000 - 9,999Cebu City, Philippines
Ability to deliver
34.5/40.018/20 Reviews10/10 Clients & Experience6.5/10 Market PresenceService focus
10% Sales Outsourcing35% B2B Lead Generation90% Other -
$5,000+$25 - $49 / hr50 - 249Austin, TX
Ability to deliver
34/40.017.2/20 Reviews10/10 Clients & Experience6.8/10 Market PresenceService focus
25% Sales Outsourcing100% B2B Lead Generation75% Other
Latest Lead Generation Articles
See all articles
Answering Services: Professionalism in Customer Service
Professionalism in customer service is essential to retaining customers, building your brand image, and increasing sales.
![How to Build a Budget for Call Center Services [With Template] cover image](https://img.shgstatic.com/clutch-static-prod/image/resize/715x400/s3fs-public/article/ba3fb126c373d45b88403b0272fa9201.jpg)
Lead Generation Company FAQs
Lead generation companies identify, attract, and qualify prospects so your sales team can focus on closing deals. They create targeted campaigns—phone, email, social, or paid media—to reach ideal buyers, gather contact data, and nurture interest until a lead is sales-ready. Many firms integrate directly with your CRM so every opportunity is tracked from first touch to conversion.
Lead generation service providers offer a comprehensive suite of end-to-end solutions to businesses in need. Common service lines include:
- Lead research & list building
- Outbound outreach (cold calling, email sequencing, LinkedIn messaging)
- Inbound marketing and SEO content to capture organic leads
- Lead qualification, scoring, and appointment setting
- Campaign analytics, A/B testing, and funnel optimization
- CRM consulting and integration
Specialized agencies may also offer sector-specific programs such as B2B account-based marketing or homeowner lists for real estate lead generation. While some specialized in B2C industries such as retail and subscription-based services.
Pricing for lead generation services varies by model. Here’s a quick breakdown of costs so you can budget accordingly:
- Monthly retainer: $2,000–$15,000 for ongoing outreach
- Pay-per-lead: $20–$150+ per qualified lead, depending on industry and complexity
- Revenue share/commission based: 5%–20% of closed-deal value
Clutch data shows most lead generation projects fall between $10,000– $49,999, with hourly rates averaging $25 – $49. The pricing is influenced by factors such as agency reputation, scope of services, and timelines.
When choosing the right lead generation provider, start by clarifying goals— that includes volume vs. quality, target industries, and timeline. After that, you can start comparing the following criteria:
- Track record and case studies in your niche
- Tech stack compatibility (CRM, marketing automation)
- Pricing transparency and contract flexibility
- Communication cadence and reporting rigor
Shortlist agencies with verified Clutch reviews, schedule discovery calls, and request a pilot or sample leads before committing long-term.
- Guaranteed results or unrealistic lead volumes
- Vague pricing or hidden fees
- Limited or no client references
- Outdated tactics (pure robo-dialing without personalization)
- Non-compliance with data privacy laws such as GDPR or TCPA
- Which channels drive most of your results for clients like us?
- How do you verify lead quality before hand-off?
- What tools do you use for tracking and reporting?
- Can you share success metrics (conversion rate, CPL) from similar campaigns?
- How do you handle data privacy, opt-outs, and regional regulations?
- What does onboarding look like, and how soon can we expect the first qualified leads?
Many agencies are cross-functional, but others focus on verticals such as SaaS, fintech, healthcare, or real estate lead generation. Niche expertise often translates to better prospect databases, tailored messaging, and higher conversion rates so put that into consideration when searching for the ideal lead generation partner.
Keeping track of key metrics is crucial for ensuring the success of your project and aligning the services to your goals. Here are some KPIs to monitor:
- Cost per lead (CPL)
- Lead-to-opportunity ratio
- Customer acquisition cost (CAC)
- Pipeline velocity.
Mature providers sync with your CRM to attribute revenue back to each campaign, allowing for continuous optimization.