Top 100 Lead Generation Companies

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Top 100 Lead Generation Companies

November 2023

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List of the Best Lead Generation Services

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  • 4
    • Scheduling

      4.9
    • Quality

      4.9
    • Cost

      4.8
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $5,000+
    • 50 - 249 employees
    • Denver, CO

    Belkins is a technology company that leverages proprietary technology and a unique methodology to set appointments with target client prospects for revenue leaders in a variety of industries. Our award-winning, blended SAAS and Service model has been fine-tuned over the last 5 years and has supported hundreds of clients globally.

    Clients

    • Cengage
    • Omnicharge
    • Sekisui Products
    • Born & Bred Creative

    Industries

    Notable Project

    Belkins created email templates and implemented a LinkedIn outreach strategy for a design company. They monitored campaigns for ongoing optimization and built a database of high-quality prospects.

    "Their data-driven insights were invaluable."

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  • 5
    • $1,000+
    • 1,000 - 9,999 employees
    • Denver, CO

    Cience is a PaaS (People as a Service) company based in Los Angeles. It has offices in Ukraine and Manila and was established in 2015. Their team of more than 550 employees offers voice services, conversion optimization, and CRM consulting and SI services. 

    Clients

    • Nasdaq
    • US Bank
    • Salesforce
    • Google

    Industries

    Notable Project

    CIENCE Technologies provided appointment-setting and cold-calling services for an IT services and solutions company. This also involved outreach campaigns, cold emailing, and cold messaging on LinkedIn.

    "The appointment generation process was impressive." 

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  • 6
    • Scheduling

      4.9
    • Quality

      4.8
    • Cost

      4.7
    • NPS

      4.8
    Read Full Reviews on Clutch Visit Site
    • $1,000+
    • 50 - 249 employees
    • Oakville, Canada

    Martal Group is a sales agency based in Oakville, Canada and San Francisco. Founded in 2009, their team currently consists of 70 employees, who serve mostly technology companies in SaaS, Enterprise software and IT sectors. They offer services in outbound lead generation, appointment setting, account management, and sales.

    Clients

    • Bosch
    • Zoho
    • Halo
    • MicroFocus

    Industries

    Notable Project

    A sales technology company has hired Martal Group to help expand their platform's user adoption. The team has worked closely with the client to make their conversion acceleration process more efficient.

    "The knowledge and experience of Martal Group's sales team are what sets them apart."

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  • 7
    • $25,000+
    • 250 - 999 employees
    • Simi Valley, CA

    Beyond Codes Inc. is a lead generation and appointment setting company based in Simi Valley, Calif., with an office in Hammersmith, U.K. The company, founded in 2008, has almost 300 employees and provides voice services, event marketing & planning, market research, email marketing, social media marketing, and non-voice BPO/back office services. Beyond Codes Inc. serves enterprise and smaller-sized companies in IT and other industries.

    Clients

    • EXL

    Industries

    Notable Project

    Beyond Codes Inc. provided frontend sales support for a consulting company. The team is in charge of responding to incoming leads and queries and setting appointments with prospective customers.

    "Beyond Codes is full of positive energy and enthusiasm. You can feel it from the very start till the end."

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  • 8
    • Scheduling

      4.9
    • Quality

      4.9
    • Cost

      4.9
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $5,000+
    • 50 - 249 employees
    • Boca Raton, FL

    SalesRoads is a B2B appointment setting and lead generation provider based in Coral Springs, Fla. that was established in 2006. Their team of more than 30 employees offers sales outsourcing and telemarketing services.

    Industries

    Notable Project

    SalesRoads provides sales outsourcing support to a SaaS provider. They develop the client's targeted lead lists, enhance their current lead lists from intent data, generate leads, and book appointments.

    "They work with us to grasp our ideal customer profile, buyer personas, and the type of leads that will drive revenue."

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  • 9
    • Scheduling

      4.6
    • Quality

      4.6
    • Cost

      4.3
    • NPS

      4.6
    Read Full Reviews on Clutch Visit Site
    • Undisclosed
    • 250 - 999 employees
    • Los Angeles, CA

    Callbox is a business process outsourcing company based in Encino, Calif., with offices in Singapore, Ultimo, Australia, and the Philippines. Founded in 2004, Callbox's team of 174 provides voice services and non-voice BPO/back office services.

    Clients

    • Alima Technologies
    • Intrepid Advisors
    • LexisNexis
    • LiQWID

    Industries

    Notable Project

    Callbox spearheaded a global trade and service provider's lead generation efforts to get active leads from Europe and USA. They leveraged the integrated marketing plan to target potential clients.

    "We were impressed by their long-time experience and willingness to bring value to both sides."

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  • 10
    • Scheduling

      4.6
    • Quality

      4.6
    • Cost

      4.5
    • NPS

      4.8
    Read Full Reviews on Clutch Visit Site
    • $10,000+
    • 10,000+ employees
    • Canton, OH

    Fusion BPO Services is a global business process outsourcing firm headquartered in Montreal, Canada, that was established in 2004. Their team of over 1000 employees offers voice BPO, non-voice BPO, and transcription services.

    Clients

    • PAYTM
    • TATA
    • SNAPDEAL
    • RELIANCE JIO

    Industries

    Notable Project

    Fusion BPO Services is providing call center services for a hospitality company. They consider the client’s technical and commercial needs when hiring resources.  

    "Fusion has always exceeded our expectations."

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  • 11
    • Scheduling

      5.0
    • Quality

      5.0
    • Cost

      5.0
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $5,000+
    • 10 - 49 employees
    • Calgary, Canada

    Established in 2022, Alphoric is a sales outsourcing company. They are located in Calgary, Canada and have a small team. The agency offers sales outsourcing.

    Industries

    Notable Project

    Alphoric has provided data scraping services for an advertising and marketing company. They have been hired to scrape a large amount of quality data for the client's email campaigns.

    "What was impressive how good the data and speed were."

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  • 12
    • Scheduling

      4.9
    • Quality

      5.0
    • Cost

      4.9
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $5,000+
    • 50 - 249 employees
    • Dover, DE

    SalesAR is a B2B lead generation company from Kyiv, Ukraine. Since 2019, their team of 25 employees provides email marketing and content marketing mostly to small businesses in the advertising, IT, and business services industries.

    Clients

    • Akridata
    • Accelerist
    • Arineta
    • Vector Software

    Industries

    Notable Project

    SalesAR has crafted a content strategy for an online marketplace. They've also worked alongside the client to draft an Ideal Customer Profile (ICP) and generate leads and appointments via email and LinkedIn.

    "We're satisfied with the outcomes."

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  • 13
    • Scheduling

      4.8
    • Quality

      4.6
    • Cost

      4.1
    • NPS

      4.7
    Read Full Reviews on Clutch Visit Site
    • $5,000+
    • 250 - 999 employees
    • Nashville, TN

    JumpCrew is a midsize advertising company. They focus on advertising, digital strategy, marketing strategy, content marketing, and more and were launched in 2016. The company is based in Nashville, Tennessee.

    Clients

    • Alibaba
    • AT&T
    • Bosch
    • Experian

    Industries

    Notable Project

    An academic portal wanted to engage with the K12 environment. JumpCrew provided outsourced sales services and developed a strategy to engage prospects, leveraging collateral materials and setting appointments.

    “They knew their craft, and we always got a call back from them.”

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  • 14
    • Scheduling

      4.9
    • Quality

      4.9
    • Cost

      4.9
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $1,000+
    • 10 - 49 employees
    • Ottawa, Canada

    Sales Nash is a content marketing company. Their small team is headquartered in Ottawa, Canada. The company focuses on content marketing, email marketing, voice services, and non-voice bpo/back office services.

    Clients

    • CDS Global Cloud
    • Allen Austin
    • Biovision Diagnostics
    • Derm For Primary Care

    Industries

    Notable Project

    SalesNash provided sales outsourcing services for a restaurant software provider. The team built lists of prospective customers, conducted email outreach, and scheduled demos and discovery calls.

    "They were kind and easy to work with."

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  • 15
    • $5,000+
    • 10 - 49 employees
    • London, United Kingdom

    The Lead Gen Dept is a digital agency based in London that specializes in helping B2B companies generate and engage sales-ready leads with your ICP. Founded in 2019, The Lead Gen Dept has a specialized team helping clients to connect and book meetings with pre-approved target accounts. They have significant experience in the enterprise space and take care of all the top-of-funnel activities leading to a prospect requesting a call.

    Clients

    • WhosOn
    • ThinkAutomation
    • ArtuData
    • Grey Monarch

    Industries

    Notable Project

    Lead Gen Dept. provides lead generation services to a UX design agency. They define the client's target audience and set up and manage their outbound email marketing and telemarketing campaigns.

    "They guarantee that they will hit their target across a 3-month period."

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  • 16
    • $1,000+
    • 10 - 49 employees
    • Horsham , United Kingdom

    Small direct marketing company Virtual Sales Limited, is in Horsham , United Kingdom. They specialize in direct marketing and market research and were launched in 2001.

    Industries

    Notable Project

    Virtual Sales Limited provides sales outsourcing services for a cloud and data analytics company. The team is responsible for identifying and cold-calling potential customers and scheduling meetings with them.

    "They take the time to fully understand their domain and hone the messaging."

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  • 17
    • $1,000+
    • 1,000 - 9,999 employees
    • Hollywood, FL

    Remote CoWorker is a virtual assistant outsourcing company founded in 2013 and located in Hollywood, Fla. They have a team of about 10 employees who offer non-voice BPO/back office services, along with voice, finance and accounting outsourcing, and HR services. Their client base comprises small business in the real estate, business services, IT, and telecommunications industries.

    Clients

    • Amazon
    • Aavgo
    • TheDreamzTeam
    • Managed IT Solutions

    Industries

    Notable Project


    Remote CoWorker provides administrative assistance services for a home modification company. The team provides an outsourced assistant who supports the client with research, scheduling, and invoicing tasks.


    "They do a wonderful job of getting deliverables done on time and serving my customers."

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  • 18
    • $1,000+
    • 10 - 49 employees
    • Ipswich, United Kingdom

    GLO - Generate Leads Online is a freelance digital marketing agency based in Ipswich, England. Founded in 2019, the company offers SEO, web design, and PPC services to small businesses. Their SEO services focus on on-site optimization, link earning, and local search.

    Clients

    • Fees Free Mortgages
    • Orwell Fitness
    • SMB Beauty
    • Bosch Auto Service

    Industries

    Notable Project

    GLO - Generate Leads Online provides SEO and digital marketing services for a bespoke garden room builder. The team works on keyword research and Google Ads management.

    "GLO - Generate Leads Online gets the job done; they’re definitely worth the money."

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  • 19
    • Scheduling

      4.1
    • Quality

      4.7
    • Cost

      3.9
    • NPS

      4.8
    Read Full Reviews on Clutch Visit Site
    • $1,000+
    • 250 - 999 employees
    • Orlando, FL

    XACT is a telecommunications company, founded in 1998 and located in Orlando, Fla. They have 69 employees specializing in custom-designed contact center solutions for companies in business services, finance, and consumer products and services. They offer voice services, help desk and web support, marketing, and virtual receptionist services.

    Clients

    • Culinary Institute of America

    Industries

    Notable Project

    A catalog company has engaged XACT for call center services. They primarily handle incoming calls from customers placing orders and are responsible for entering them into the client's internal system.

    “They’re very interactive and act like a partner for us.”

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  • 20
    • Scheduling

      4.9
    • Quality

      4.9
    • Cost

      4.9
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $25,000+
    • 250 - 999 employees
    • San Francisco, CA

    UnboundB2B is a San Francisco, California-based content marketing company. The midsize team provides content marketing, email marketing, digital strategy, and social media marketing and was established in 2016.

    Industries

    Notable Project

    UnboundB2B provides market research and data analytics services for a full-service strategy advisory firm. They manage the entire process and help the client cultivate data to be used in business decisions.

    "They're a hands-on team with great communication skills and talent."

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  • 21
    • $25,000+
    • 1,000 - 9,999 employees
    • Sofia, Bulgaria

    Out2Bound is a marketing agency headquartered in Sofia, Bulgaria, that was established in 2016. Their team of 20 employees offers business consulting, voice services, direct marketing, on-demand lead generation services.

    Clients

    • Progress Software
    • Telelink Group
    • Sirma Group
    • Pryv

    Industries

    Notable Project

    Out2Bound assisted a software development company's marketing team in generating leads and managing their LinkedIn account. They handled email automation, database update, cold calling, and arranging meetings.

    "They demonstrated excellent communication and collaboration."

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  • 22
    • Undisclosed
    • 50 - 249 employees
    • Denver, CO

    GenSales - B2B LeadGen is a lead generation and appointment setting company based in Denver. They were founded in 2002 and have a team of around 15 employees. Their services focus on voice services and digital strategy. 

    Clients

    • TUDI Mechancial Systems
    • Umbria Listens

    Industries

    Notable Project

    GenSales - B2B LeadGen was hired to generate qualified sales leads for a listing solutions firm. The team was responsible for market research,  contact calling, and appointment scheduling.

    "What stood out about GenSales - B2B LeadGen was their adeptness in grasping the intricate nuances of our industry."

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  • 23
    • Scheduling

      4.7
    • Quality

      4.6
    • Cost

      4.3
    • NPS

      4.5
    Read Full Reviews on Clutch Visit Site
    • $1,000+
    • 10 - 49 employees
    • Los Angeles, CA

    Founded in 2016, Cleverly is a marketing agency that offers lead generation and LinkedIn Ads to their clients. Their 50 employees are based out of Los Angeles.

    Clients

    • LeaseLock
    • Bambee
    • MeMD
    • Kustomer

    Industries

    Notable Project

    Cleverly has helped an event venue create a LinkedIn campaign to increase brand awareness. The campaign includes sending connection requests and automated messages to corporate event planners.

    "I was impressed with our response rate throughout the campaign."

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  • 24
    • Scheduling

      4.8
    • Quality

      4.7
    • Cost

      4.4
    • NPS

      4.8
    Read Full Reviews on Clutch Visit Site
    • $5,000+
    • 50 - 249 employees
    • Dallas, TX

    Operatix is a midsize sales outsourcing company based in Dallas, Texas and Fleet, United Kingdom. Established in 2012, the team focuses on sales outsourcing and call center services.

    Industries

    Notable Project

    A cybersecurity platform hired Operatix to help with their sales pipeline development and deliver qualified leads in EMEA. The team is responsible for acquiring meetings with prospective end customers.

    "They are a very professionally run organization that focuses on process and communication as well as the core results."

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  • 25
    • Scheduling

      4.6
    • Quality

      4.6
    • Cost

      4.7
    • NPS

      4.7
    Read Full Reviews on Clutch Visit Site
    • $1,000+
    • 1,000 - 9,999 employees
    • San Francisco, CA

    Vsynergize is a global sales and marketing service provider that has offices in San Francisco, Westborough, Mass., and Pune, India. Founded in 2001, Vsynergize's team of about 300 employees has nearly two decades of experience specializing in call center services. The firm also extends back-office services to its clients in the financial services, telecommunications, and healthcare industries. 

    Industries

    Notable Project

    To acquire more leads, a consulting firm hired VSynergize for their sales outsourcing and call center services. The team reached out to potential customers, handled customer inquiries, and provided support.

    "We were impressed with their dedication to understanding our business inside and out."

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  • 26
    • Scheduling

      5.0
    • Quality

      5.0
    • Cost

      5.0
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $5,000+
    • 10 - 49 employees
    • Miami, FL

    Amplibiz is a sales outsourcing company founded in 2020. They are located in Pembroke Pines, Florida and have a small team. Their services include sales outsourcing, business consulting, back office outsourcing, and customer service outsourcing.

    Industries

    Notable Project

    A meat production company has hired Amplibiz to reimagine their sales pipeline. The team has helped develop a lead generation strategy and is in charge of making phone calls to business connection prospects.

    "Their group worked alongside us rather than for us, exemplifying a true collaboration."

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  • 27
    • Scheduling

      4.8
    • Quality

      4.8
    • Cost

      4.5
    • NPS

      4.7
    Read Full Reviews on Clutch Visit Site
    • $5,000+
    • 250 - 999 employees
    • Austin, TX

    Located in Austin, EBQ has a team of around 250 working with clients in the IT, advertising, and business industries. They provide voice services, CRM consulting, and email marketing expertise to clients looking for B2B lead generation and appointment setting.

    Industries

    Notable Project

    EBQ provides a web hosting provider with data cleanup and outreach marketing services using their Salesforce instance. They manage the client's email, call, and LinkedIn outreach campaigns.

    "They are very responsive to all our requests and have proactively worked to fine-tune our campaigns."

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  • 28
    • Scheduling

      5.0
    • Quality

      5.0
    • Cost

      5.0
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $1,000+
    • 10 - 49 employees
    • Orlando, FL

    Launched in 2018, Megan Killion Consulting is a content marketing company. The small Orlando, Florida-based team provides content marketing, branding, digital strategy, social media marketing, and more.

    Clients

    • Managed Services Group
    • Telecom One
    • ThinkTech
    • Commprise

    Industries

    Notable Project

    MKC Agency was hired by a B2B consulting services company to provide guidance on how to improve their B2B technology marketing efforts. The team helped the client improve their social media campaigns. 

    "Project management was organized and timely."

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  • 29
    • $1,000+
    • 50 - 249 employees
    • Durrës, Albania

    Dalerio Consulting is a consultancy founded in 2017 in Durres, Albania with no more than 10 experts. They specialize in social media marketing, email marketing, and SEO solutions for small and mid-market agencies in the industries of advertising and business services.

    Clients

    • KlimaTek
    • Korrieri

    Industries

    Notable Project

    Dalerio Consulting provided organic SEO, PPC management, and call center services to an HVAC company.

    "They were reliable and good communicators."

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  • 30
    • Scheduling

      5.0
    • Quality

      4.9
    • Cost

      4.8
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $25,000+
    • 10 - 49 employees
    • Willoughby, OH

    JMS Elite is a voice services and market research firm based in Willoughby, Ohio. Founded in 2002, their team of over 20 employees serves firms of all sizes across a range of industries, including business and financial services, education, and healthcare. 

    Clients

    • Carl Zeiss AG
    • Beckman Coulter
    • Logility, Inc.
    • Amazon

    Industries

    Notable Project

    JMS Elite provides market research and outbound demand generation services for a medical equipment manufacturer. They work to reach customers and generate qualified leads for the company's direct sales team. 

    "I could not imagine having a better partner than JMS Elite to manage workflows between organizations."

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