Does generating leads for your business feel like pinpointing a single star in the night sky?

Many companies are just as lost as you are!  And with the vastness of possibilities when choosing a lead generation agency in the United States, it becomes harder to make a final decision.

That’s why we’ve created this comprehensive guide for you. 

We’ve curated a list of the 20 top B2B lead generation companies in the USA. With their expert insights and innovative approaches, these businesses have proven themselves as guiding lights in the industry. 

Let’s help you choose your ideal partner.

✨ Looking for global providers? Check out our side-by-side comparison of the top B2B lead generation companies in the market.

What is B2B Lead Generation?

B2B lead generation is the process of identifying and attracting prospective clients to convert them into buyers. It involves the use of various strategies, tools, and channels to generate interest in a product or service. The end goal of lead generation is to develop a highly active B2B sales pipeline and ultimately drive revenue.

How to Choose a Reliable Lead Generation Partner?

1. Expertise

Expertise is one of the most important factors to consider when outsourcing B2B lead generation. A competent partner is one who has a deep understanding of your industry and target audience. They should be adept at tailoring strategies to meet your specific business needs. Additionally, they must have the competence to apply the latest tools and technologies. This is how you ensure that the leads you’re generating are not only numerous but also high-quality and relevant.

2. Reputation

An agency’s success and track record are significant indicators of what it can deliver. Before working with a B2B lead generation partner, it’s essential to investigate their past performance through client testimonials and case studies. A reliable lead gen firm should easily be able to demonstrate an ability to deliver top-quality USA leads that not only meet but often exceed client expectations.

3. Communication

Strategic alignment and trust are also crucial when it comes to lead generation outsourcing. Thus, open and transparent communication is the cornerstone of any successful partnership — especially in B2B lead generation.  It’s beneficial to evaluate potential partners based on their communication, regular updates, and feedback loops. Have they been responsive to your queries and concerns thus far? Do they show promise in making adjustments when necessary?

4. Tech Stack

In constantly evolving markets, a tech stack is a no-brainer! Your chosen partner should be equipped with the latest tools and lead generation platforms. This is how they demonstrate their ability to efficiently capture, track, and nurture leads. Their tech stack must be both robust and adaptable, effectively positioning your business at the forefront of innovation.

B2B Lead Generation Companies in the USA (The 20 Top Picks)

1. Martal Group

With a solid background in B2B lead generation, Martal Group has made a name for itself through constant excellence. The sales team consists of over 200 international experts, ready to help you develop a multichannel strategy that delivers ROI-driven results. 

Our service offerings range from sales prospecting to appointment setting, providing a one-stop solution for businesses in various industries. 

Advantages of working with Martal Group:

  1. 15 years of seasoned expertise in lead generation and sales
  2. Customizable, client-centric strategies tailored to meet your specific needs
  3. A proven track record serving companies in many industries
  4. AI-driven prospecting and appointment setting techniques for enhanced efficiency

What sets us apart from the rest is our strong commitment to maintaining trust through open communication. Our strong tech backbone is also a plus, enabling all of our clients to outperform the competition. To ensure a smooth collaboration with our clients, we’ve built a team of top sales reps based in the US, Canada, Europe, and Latin America.

2. CIENCE Technologies

CIENCE Technologies uses a blend of human expertise and smart technologies to keep its clientele happy. As a global sales company, CIENCE offers everything from teams focused on lead research to wide-reaching outbound campaigns.

Leveraging advanced prospecting tools with AI technologies, its team optimizes the process to bring about results. This partner serves clients of all sizes and in different industries — the majority of which were satisfied with the achieved outcomes.

3. Cognism

Cognism stands out in the B2B lead generation field, thanks to its globally compliant data and smart Revenue AI engine. This lead gen platform focuses on speeding up sales by offering rich business data. It serves clients in a range of industries, including computer software, consulting, and education. 

As a notable partner, Cognism has continually proven its knack for boosting outbound campaigns and making the process of lead qualification smoother.

4. Callbox

Callbox is a versatile service provider, incorporating classic and modern techniques to find and nurture leads. The company is present in multiple countries. It aims to tailor its outreach strategies to fit each unique market, making sure the approach is localized and fine-tuned. 

Armed with vast industry knowledge in lead generation and prospect engagement, Callbox may be a reliable choice for any business looking for streamlined and targeted campaigns.

5. Salespanel

Salespanel delivers tailored lead generating solutions aimed at segmented and niche B2B markets. Its platform is notably praised for features like email tracking, lead scoring, and adept segmentation capabilities. By focusing on SaaS and other tech sectors, Salespanel ensures a precision-driven approach to identify and engage the right business prospects.

6. is another partner who’s dedicated entirely to generating high-quality, actionable leads. Beyond just prospecting and outreach, this firm offers a well-rounded approach that brings together SEO, PPC, email marketing, and more, crafting a full-fledged strategy for client campaigns. With a healthy track record of positive feedback, has garnered clients’ respect in the B2B landscape.

7. Belkins

Belkins stands out as a notable sales and business development agency, focusing mainly on appointment setting, lead research, and outbound marketing. Using a data-savvy approach and crafting custom outreach strategies, they have powered successful campaigns for lots of their clients in the past. Belkin’s expertise in areas like LinkedIn influencer marketing has positioned its team as a global competitor in the market.

8. UnboundB2B

UnboundB2B is well-known among lead generation companies in the USA for its thorough, tech-fueled lead generating services, designed specifically for tech firms. By integrating AI technologies with hands-on expertise, they deliver high-quality leads that show real intent. UnboundB2B’s strategy includes content syndication, account-based marketing, and appointment setting, ensuring a well-rounded approach to capture and convert promising business leads.

9. SalesPro Leads

SalesPro Leads excels in offering customized B2B lead generation services that prioritize quality and accuracy. They base their approach on thorough research, making sure each lead aligns well with the client’s business objectives and target groups. From IT decision-makers to healthcare professionals, this firm dominates by crafting solutions that suit a range of industry demands.

10. Intercom

Intercom is best known as a messaging platform for sales, marketing, and customer support. However, it also plays a vital role in both lead generation and customer engagement. With its wide array of tools, companies can capture, qualify, and nurture leads in real-time, converting casual site visitors into promising prospects.

Intercom offers chatbots and tailored messaging features, which makes it an essential tool in any modern B2B sales team’s toolkit.

11. RocketReach

RocketReach is another powerful lead gen tool for businesses, enabling them to find email addresses, phone numbers, and social media links of key decision-makers. Its user-friendly interface combined with advanced search capabilities, allows for seamless navigation and pinpoint accuracy in finding the right contacts. Designed for outreach, recruiting, and sales, RocketReach also provides direct channels to establish contact. With that, it ensures that businesses can reach their desired audience without limitation.

12. Pearl Lemon Leads

Pearl Lemon Leads is another successful agency in the lead generation space. It offers cold outreach services through popular channels such as LinkedIn and email. To reach more quality prospects and fuel business growth, this agency integrates innovative approaches, including SEO optimization and targeted outreach. 

The team behind Pearl Lemon Leads is also known for its reputation and creativity. With their data-driven strategies, they were able to help many businesses thrive by designing targeted campaigns that resulted in tangible engagement.

13. SalesRoads

Backed by years of expertise, SalesRoads is a leading name in the B2B appointment setting and lead generation industry. They are known for employing seasoned professionals to maintain excellent outreach efforts. SalesRoads promises top-notch communication, better lead qualifications, and efficient nurturing.

14. LeadsForce

LeadsForce enhances your sales team productivity and helps you connect with the right prospects through an accurate and reliable database of 20 million leads. With its advanced search functionalities, this platform is more than just a lead source for your business. LeadsForce is an actual solution to set your sales reps up for success. 

15. Leadium

Leadium promises a holistic solution for businesses hungry for lead generation growth. Their platform offers a wide range of services, including lead research, top-of-the-funnel consulting, inbound and outbound appointment setting, in addition to SQL generation. On top of contact data sourcing, they also offer database enrichment — even for custom, on-demand data points.

16. Launch Leads

Launch Leads specializes in fine-tuning your sales efforts, offering everything from lead nurturing to B2B appointment setting. Their experienced team works hand-in-hand with you to create strategies that engage your ideal customers, filling your sales team’s calendar with quality appointments. Launch Leads is best suited for businesses in SaaS, marketing, technology, and healthcare.

17. ZoomInfo

ZoomInfo is an established leader in the B2B contact database realm, offering robust tools for sales and marketing professionals. Their platform is driven by advanced AI and a constantly growing database, allowing businesses to connect with the right decision-makers efficiently. From detailed company insights into intent data, ZoomInfo’s comprehensive offerings make it an invaluable asset for your lead generation efforts.

18. SalesLoft

SalesLoft is an AI-powered sales engagement platform that can help you take customer interactions to the next level and accelerate your sales funnel. It’s designed to support thriving businesses by enhancing their outreach and follow-up strategies. 

The website offers various tools, from email tracking to call recording, allowing sales professionals to streamline their processes and enhance conversions. By emphasizing authentic customer relationships, SalesLoft ensures that leads are not just generated but also nurtured effectively.

19. Lusha

Lusha is the ultimate lead source for any business struggling to find new leads and enrich its contact lists. What makes this lead generation tool special is that it can significantly enhance your B2B outreach efforts. With instant access to a large database of 50 M business profiles, you no longer have to waste countless hours researching leads. Lusha provides you with different tools to help you find out more about your dream prospects.

20. Upcall

Upcall is an excellent partner to consider if you’re aiming to attract more promising leads to your business. With in-depth knowledge in several traditional industries, particularly finance, real estate, and insurance, they offer a valuable outsourcing solution for marketing and sales teams looking to boost engagement and close deals more effectively. Living up to its name, Upcall excels at identifying potential leads and reaching out through various cold outreach tactics, such as calling and emailing.

Martal Group: Trusted by US Companies For Over a Decade

A Word From Our Clients

“The intelligence of the individual contributors is impressive. What they know about the business isn’t something you’ll find from just anyone.”

Rick Taylor, EVP of Sales and Marketing

Forerunner Technologies

Read the full review on Clutch

“We had our first qualified lead call within 3 weeks of the start of the campaign after a year of network-only growth. We’ve also made significant improvements to our general web presence as a result of the feedback that Martal’s team has given us even without engaging them directly on dedicated help to build our web presence. … We’ve never had this before, so we’re very excited about the progress Martal has helped us make in such a short time!

Kenneth Kinion, Managing Director


Read the full review on Clutch

“Weezmo is an AI Driven Customer Insights platform, with many intricate concepts to grasp before one could develop a sales pitch for it. Martal’s team was able to fully understand the technology behind our product, and market it to interested prospects on demo calls within a short timeframe after onboarding.”

Shai Raiten, CEO


Read the full review on Clutch

FAQ: Top B2B lead generation companies in the USA

How Do I Generate Leads for My B2B Business?

For starters, it’s crucial to set clear business goals to direct your lead generation strategies effectively. Understanding your target audience is equally vital, allowing you to tailor your messages and offers to meet their specific needs and preferences.


To generate qualified USA leads for your B2B business, you need a strategic blend of sales and marketing strategies.  Inbound tactics like email marketing and content marketing are essential in attracting your target audience to your website. On the flip side, outbound tactics — such as cold emailing, cold calling, and LinkedIn outreach, will help directly reach decision-makers and engage them.

Finally, a robust lead nurturing and lead qualifying strategy is key to building relationships and trust with your prospects over time. You want to keep your prospects interested throughout the sales cycle before you can convert them. 

How Does B2B Lead Generation Outsourcing in the USA Work?

When outsourcing B2B lead generation to a reliable agency, you’ll let them handle all the heavy lifting that’s associated with researching, engaging, and converting new leads. Service providers that operate in and service US-based companies are adept at understanding the unique needs of your company. Better yet, they’re qualified to craft sales strategies that connect you with potential clients who are ready to buy. As a final step, your sales team will receive these sales-qualified USA leads for further engagement and conversion.

Outsourcing your lead generation to a seasoned team of sales professionals can be a game-changer for your business. By leveraging their specialized expertise to drive results, you’ll give your internal teams more space to focus on core sales duties such as closing deals.

What Are Examples of Lead Generation Services?

A lead generating service is any marketing or sales activity that can get you closer to your target prospects. That includes the following examples:

  • Cold calling: Engaging directly with decision-makers via the phone to introduce them to your offerings.
  • Cold emailing: Delivering emails targeting a curated list of potential leads who haven’t had prior contact with your business.
  • Social media engagement: Leveraging platforms like LinkedIn to connect with and engage your key decision-makers.
  • Lead nurturing: Using various tools and strategies to further educate potential clients and move them smoothly down the sales funnel.
  • Appointment setting services: Ensuring that your sales reps are connected to hot prospects through the right channel and at the right time.
Vito Vishnepolsky
Vito Vishnepolsky
CEO and Founder at Martal Group