The success of your lead generation outcomes decides the future of any enterprise. Whether a company soars to great heights or lags behind in the business race. All is dependent upon the quality of leads you work upon. Without good leads, you end up wasting your company’s resources with no assured business benefits.

Moreover, lead generation is a skill that needs to be handled with great precision and professionalism using advanced tools and proven technologies to get the best results. These are the reasons why B2B enterprises all across the world prefer to outsource their lead generation tasks. By doing so, they get many business benefits like:

  • Good quality leads (genuine & interested leads)
  • Faster sales process
  • Shorter deal closing time
  • More sales
  • Greater revenue
  • Enhanced productivity
  • Better focus on core functionalities
  • Greater brand visibility and awareness

But wait! There is a catch.

Not all companies that exist in the market deliver what they promise. What you need is the right lead generation partner that can help you meet your business goals without any hassle.

Therefore, to help you out, we have curated a list of some of the most trusted and renowned names in the field of lead generation. Check this entirely and take that first step towards business transformation.


Voted best b2b lead generation services company, CIENCE produces qualified sales leads engaging prospects on phone, email, social, chat, web and ads.

Headquarters: Denver, United States
Founded: 2015

CIENCE is a PaaS (People as a Service) enterprise that is known for its capability to generate high-quality leads using innovative marketing tactics and advanced B2B lead generation tools. It has a robust team of more than 500 skilled professionals that have expertise in providing high-end Lead Generation, Conversion Optimization, Voice, CRM Consulting, Lead Enrichment, Sales Acceleration, and many more advanced services. Since its inception, it has served more than 1200+ clients all over the world and generated tens of millions of leads for reputed clients. Its services enable you to run your sales pipeline up and running constantly with high-quality leads (HQLs) so that you can focus on your job without any worry.

2. Callbox

Callbox is a B2B lead generation services company, proving qualified sales leads to businesses worldwide with proven solutions and tools.

Headquarters: California, United States
Founded: 2004

It is one of the largest providers of B2B lead generation services worldwide. Callbox empowers companies to expand their business footprints by delivering six important B2B lead generation avenues: Email, Voice, Social Media, Chat, Website, and Webinars. This B2B lead generation company uses account-based marketing powered by intuitive sales technology to manage, monitor, nurture, and close leads. It is trusted by thousands of enterprises from SMEs to large corporations for its adept professional 3-in-1 services: Account-Based Marketing, Lead Generation, and Appointment Setting. Today, Callbox is home to 700+ employees and has executed 10,000+ campaigns linked with lead generation.

3. DiscoverOrg

Accelerate growth with targeted B2B sales lead lists from the most trusted business contact database & sales intelligence solution. Try Free Data Today!

Headquarters: Vancouver, Canada
Founded: 2006

DiscoverOrg is one of the top B2B lead generation companies in the world that connects and closes ideal customers using an advanced B2B business contact database. It ensures that their data is 95% accurate. The company acquired ZoomInfo in 2019 and this facet makes it a force to reckon with in the demand generation space. DiscoverOrg provides company data and sales intelligence to help you fetch actionable insights before pitching a prospect. Moreover, it provides a cloud-based platform that is very simple to use. The best part of DiscoverOrg is that it provides a free trial to test the reliability of its services with various functionalities like:

  • Department level organization chart
  • Direct phone numbers
  • Verified email addresses
  • Filmographic details
  • Technographic details
  • Buying signals
  • Intent data
  • Job responsibilities and functions

4. VSynergize

Headquarters: Boston, United States
Founded: 2001

This global sales and marketing solution provider is one of the most reputed, oldest, & trusted names in the field of B2B lead generation space. It has been providing 360* holistic B2B lead generation services for the last 20+ years with a fabulous track record. Its adept team of more than 800+ lead generation experts has delivered countless leads to eminent global organizations across industries and helped them grow vertically. This B2B lead generation company is a pioneer in boosting engagement rate, shortening sales cycles, and increasing revenue through its sustainable, advanced, cost-effective, and highly result-driven lead generation services. It promises 3X sales acceleration with its quality lead generation program.

VSynergize carries special expertise in:

  • B2B Data
  • Content Syndication
  • Marketing Qualified Leads (MQLs)
  • Sales Qualified Leads (SQLs)
  • BANT Leads
  • Appointment Setting
  • Contact Discovery
  • Voice Verified Leads
  • Data Append & Cleaning
  • Account-based Marketing
  • Email Marketing
  • Event Marketing and more

5. Belkins

Belkins is an award-winning B2B lead generation company providing lead research, outreach, and appointment setting services to SMEs

Headquarters: Dover, United States
Founded: 2017

Belkins is an award-winning B2B lead generation company that offers result-driven B2B lead generation services globally. It has built a special niche in the industry with its unique Leads Research, B2B Outreach, LinkedIn Influencer Programs, Appointment Setting Services, and Email Marketing Services. What makes Belkins a leading force in the B2B lead generation solution space is its commitment to quality, predictive outcomes, and assurance of best returns. Their expert team is capable of crafting state-of-the-art solutions to take care of your demand generation needs. It has over 790+ happy customers around the world.

6. Lead Express

Lead Express: Australia's #1 Lead Generation Services

Headquarters: Melbourne, Australia
Founded: 2004

Lead Express is Australia’s most prestigious B2B lead generation service provider with a global client base. The company uses its digital, direct mail, and executive phone-based expertise to generate good quality leads for businesses of all sizes. It has till date served 1,000+ clients across the world by executing 3,000+ successful campaigns. And generated a whopping 50,000+ leads to help businesses grow faster. The company provides both inbound and outbound lead generation solutions. Its core services are Appointment Setting, Telemarketing, B2B Data Cleansing, Sales Training, Digital Leads Services.

7. OutboundView

OutboundView | Outbound Marketing, Appointment Setting ... We help B2B companies to design, develop, and implement outbound marketing, inside sales strategy, and appointment setting services.

Headquarters: Franklin, United States
Founded: 2017

When it comes to outsourcing lead generation work, you surely cannot miss the opportunity to delve deep into what OutboundView provides. This B2B lead generation agency helps organizations to design, develop, and implement both inbound and outbound marketing strategies for assured business growth. It assists organizations to find good opportunities by creating a predictable sales pipeline with its Scale, Launch, and EventPro services. OutboundView also provides buyer intent data to help enterprises get access to a list of potential leads who have shown an interest in their services. By analyzing such data, companies can easily nurture, qualify, and convert those leads into customers.

8. CandorWorks

CandorWorks is a credible, risk-free and flexible demand generation partner for B2B technology companies and marketing agencies across the globe.

Headquarters: Pune, India
Founded: 2009

The company specializes in integrated demand generation services and guarantees 100% accuracy. If you find any invalid lead(s) then the company replaces it without making you pay any extra penny. Since its inception, CandorWorks has helped several top-notch B2B technology companies, publishers, and media agencies to get more customers. This B2B lead generation company is a pioneer in offering services like:

  • Prospect data and intelligence
  • Event participation management
  • Lead generation
  • Lead qualification
  • Lead nurturing
  • Account-based marketing

CandorWorks’ team of highly professional experts helps you boost conversion with a lower budget. They assist you with strategic guidance, precise planning, excellent execution, and timely follow-up for your lead generation campaigns. Its goal-oriented approach, customized solutions, and multiple pricing models further make it popular in the industry.


Lead Express: Australia's #1 Lead Generation Services

Headquarters: New Jersey, United States
Founded: 2008

It is one of the top B2B lead generation companies in the world that brings strategic and innovative processes to deliver unparalleled results. provides leads in real-time via email, text, or directly to your integrated CRM software. It thus helps enterprises to start working on them at the earliest and assists greatly to close deals faster. Moreover, its dedicated team, multi-channel approach, custom integration, and hands-on experience on various powerful B2B lead generation tools enable them to deliver the best in less time. Its lead generation services have been appreciated by top organizations like Forbes and INC in the past.

10. Upcall

B2B lead generation company upcall

Headquarters: San Francisco, United States
Founded: 2016

This America’s premier B2B lead generation company uses advanced technologies along with its adept marketing professionals to generate high-quality leads. It is trusted by 400+ reputed organizations across the globe, including brands like LG, Airbnb, QuickBooks, SIEMENS, and Farmers Insurance. Its sales conversion management software helps you determine intent to buy (BANT) for each lead to prevent lost leads and to maximize sales & revenue. It is a great no-touch lead generation service where you do not need to contact your prospects in the first place. They handle everything on their own. Moreover, each time a lead comes in, Upcall contacts them within seconds to create a better impact on the sales outcomes.

Upcall’s B2B lead generation solution can be categorized into four segments like Lead Generation, Lead Qualification, Market Research, and Customer Engagement.

Final Words

This list is prepared after a thorough research and analysis to help you understand better about these top B2B lead generation companies. So, before you set up your next target for sales, do think about these options to lead your company towards greater success. You will surely experience some amazing results, never seen before. Act NOW!!

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