Top 20 B2B Lead Generation Companies & Agencies

You need the best software or agency services for your outbound and inbound activity. Our picks for the best B2B lead generation companies and agencies are as follows: 👇

1. Kaspr

Category: Software

Kaspr is a lead generation company that allows you to access email addresses and phone numbers. With the LinkedIn Chrome Extension and dashboard, you can get the contact details of potential customers as soon as you visit their profile. Kaspr enriches the data from individual LinkedIn profiles and your list of leads, too. The data provided is aligned with GDPR and CCPA.

The dashboard organizes your leads. It also has workflows that enable you to send leads to your CRM and sales apps through integrations. This is just one feature that makes Kaspr an all-in-one prospecting platform for SDRs and recruiters.

You can sign up to Kaspr for free and test the accuracy of our data today. ⤵️

💡 Check the pricing page for more information on Kaspr’s paid subscriptions. 

Main features: 

• Strong European database.
• Find B2B leads for companies on LinkedIn and Sales Navigator.
• Chrome Extension and dashboard.
• API access.
• Data enrichment.
• GDPR and CCPA-aligned data.
• Integrations with HubSpot, Pipedrive, Lemlist, Salesforce, and more.

2. Cognism

Category: Software

Cognism is a sales intelligence platform with a GDPR and CCPA-compliant B2B database. Its web app and browser extension provide company and contact data, including cell phone (mobile) numbers and emails, for decision-makers.

One of the unique features of this lead generation platform is Diamond Data®, which verifies cell phone numbers via the phone so you know they’ll dial. It works with LinkedIn and Sales Navigator, corporate websites, Outreach, HubSpot and Salesforce.

What also sets Cognism apart from other B2B lead generation companies is their GDPR compliance. They scrub their mobile numbers against global Do-Not-Call (DNC) registries.

Main features:

• Phone-verified Diamond Data®.
• Bombora’s intent data.
• Cell phone (mobile) data scrubbed clean against global Do-Not-Call lists.
• Integrations with popular CRMs and sales tools.
• EMEA, NAM, and APAC coverage.
• GDPR and CCPA-compliant data.

3. ZoomInfo

Category: Software

ZoomInfo provides B2B contact and company data for sales, marketing and recruitment teams. 

They offer a large database that allows you to search for qualified leads in specific industries, locations, or job roles. This makes it easier to connect with potential leads, and intent alerts give you an idea of who’s buying right now. ZoomInfo comes with a Chrome Extension and a web app. They bundle their features in what they call Operating Systems (OS).

(Source: ZoomInfo)

Main features:

• Advanced search and filtering options.
• Contact and company insights.
• Intent data and real-time alerts.
• Website visitor tracking.
• Seamless CRM integration.

4. CIENCE

Category: Software & Agency

CIENCE is a lead generation agency that uses human research and AI-powered tools to find potential customers for B2B companies. They provide end-to-end B2B lead generation services, from prospecting to appointment settings, so businesses can focus on closing deals and have their own technology.

Their sales representatives and specialists work closely with clients to understand their target market and deliver high-quality leads.

(Source: G2)

Main features:

• Personalized outbound prospecting.
• Account-based marketing (ABM) strategies.
• Data-driven lead research and qualification.
• Multi-channel outreach campaigns.
• Reporting and analytics that measure performance and ROI.

5. Salespanel

Category: Software

Salespanel is a tool that helps capture, track and qualify leads from different marketing channels.

It also tracks the customer journey of every lead on your website and app. And provides sales and marketing teams with behavioral analytics and visitor intelligence.

(Source: Salespanel)

Main features:

• Real-time notifications and alerts.
• Visitor journey mapping.
• Lead scoring and qualification.
• Website personalization based on visitor behaviour.
• Integration with popular CRM platforms.

6 . LeadGeneration.com

Category: Agency

LeadGeneration (WebiMax) is a specialized B2B lead generation agency. They help their B2B businesses to build custom lead generation campaigns on multiple channels.

Some of their solutions include landing page creation, appointment setting and content marketing. The platform’s team of experts provides personalized support and guidance throughout the whole lead generation process.

(Source: Leadgeneration.com)

Main features:

• Customized lead generation strategies.
• Organic website traffic through SEO optimization.
• Optimized campaigns across multiple channels.
• Inbound and outbound lead generation methods.

7. Apollo.io

Category: Software

Apollo is an all-in-one sales engagement platform for marketing and sales teams. It provides access to accurate contact information and allows users to create targeted outreach campaigns.

The platform combines contact database management, email automation, and analytics to help generate qualified leads, streamline sales processes, and drive revenue growth.

(Source: Apollo.io)

Main features: 

• Automated workflows.
• Data enrichment.
• API access.
• AI-powered analytics.
• Sales engagement tools.

8. LeadGenius

Category: Software

LeadGenius combines AI and human researchers to support sales and marketing teams’ outbound sales efforts.

They verify email addresses to ensure deliverability and improve the accuracy of contact information. LeadGenius integrates with popular CRM systems, enabling easy transfer and management of leads.

(Source: G2)

Main features:

• Email campaign creation & management services.
• Engagement monitoring.
• Personalized datasets.

9. Salesloft

Category: Software

Salesloft is a sales engagement platform that helps revenue teams close more deals faster. They offer lead generation solutions like email tracking, cadence management, and analytics to streamline workflows and enhance customer interactions. 

With Salesloft, businesses can optimize sales strategies, improve customer engagement, and track performance metrics to push leads down their sales funnel. 

(Source: Salesloft)

Main features:

• Sales cadence and workflow automation.
• Personalized email templates and tracking.
• Call and meeting scheduling.
• Analytics and reporting tools.

10. Upcall

Category: Software

Upcall is an outbound calling service that helps sales teams generate B2B leads. Its team of experts handles the initial outreach and follow-up calls to book qualified appointments. You can integrate Upcall’s platform with any lead source and monitor your results in real-time. 

Here’s how it works:

• You forward or upload your leads to Upcall.
• Upcall engages your leads at the right time with proven scripts.
• You get the results and the insights to close more deals.

(Source: Upcall)

Main features:

• Outbound call campaign management.
• Call scripting and recording.
• Appointment scheduling.
• Lead qualification and scoring.
• Analytics and call performance tracking.

11. Belkins

Category: Agency

Belkins is a lead generation agency that specializes in providing high-quality leads for businesses in many industries, including healthcare, consulting, construction, and e-learning. 

They offer services such as appointment setting, lead research, personalized outreach and email deliverability optimization. 

(Source: G2)

Main features:

• Appointment setting.
• Cold email outreach.
• CRM consulting.
• LinkedIn marketing.
• Sales enablement.

12. Martal Group

Category: Agency

Martal Group is a Sales-as-a-Service company that helps connect businesses with qualified prospects. Their team of 200+ sales executives helps clients develop custom lead-generation campaigns based on their challenges, goals and preferences. 

Plus, they monitor real-time data to identify leads actively searching for your products or services.

(Source: Martial Group)

Main features:

• Intent data.
• B2B appointment setting.
• Lead lists.
• Email campaigns.
• Lead nurturing.

13. Callbox

Category: Agency

Callbox is a global B2B lead generation company that combines different outreach channels to craft a powerful lead generation plan. These include telemarketing, email marketing, and social media.

Their extensive in-house B2B database, along with tools for lead nurturing and pipeline management, contributes to the success of each campaign. 

(Source: Callbox)

Main features:

• Account-based marketing approach.
• Database management.
• Appointment setting.
• Lead nurturing tools.
• Email marketing.

14. Snov.io

Category: Software

Snov.io is an all-in-one email outreach platform. It includes capabilities for building email lists, generating leads, verifying email addresses, and warming up for a seamless sales process.

Snov.io also offers a Chrome extension that helps you find decision-maker email addresses on company websites, LinkedIn profiles, and other online sources.

(Source: G2)

Main features:

• Email finder and verifier.
• Email warm-up
• Automated email outreach campaigns.
• Technology checker.
• Integrations with HubSpot, Salesforce and more.
  
  

👉 What are the alternatives to Snov.io?

15. Lusha

Category: Software

Lusha is a company that provides B2B data solutions. Its Chrome Extension allows you to quickly access your prospect’s contact details.

Lusha helps you search for prospects based on criteria like firmographic data, intent signals, and seniority level.

(Source: Lusha)

Main features:

• Chrome Extension.
• Intent data.
• Data enrichment.
• List building capabilities.
• Usage analytics to track performance.
  
  

👉 See a list of Lusha alternatives.

16. Operatix

Category: Agency

Operatix is an outsourced SDR agency that serves B2B SaaS vendors worldwide. It provides marketing solutions and selling strategies focused on specific accounts. 

When you work with Operatix, you benefit from their experienced sales team, which is expert in creating sales opportunities and speeding up revenue growth. Plus, Operatix has a team that can speak 17 languages. This means they can run campaigns in many regions, including North America, Europe, Latin America, and Asia-Pacific.

(Source: Operatix)

Main features:

• Account-based, multi-touch approach.
• Account identification.
• Focus on C-Level outbound activities with tailored messaging for each client.
• Lead qualification.

17. Leadium

Category: Agency

Leadium is another B2B lead generation agency. The company applies strategies like channel-optimized lead search, omnichannel sales strategy, and top-of-the-funnel consultation to reach your business goals.

With Leadium, B2B marketers and sales teams have a versatile toolkit to connect with their target audience. They can reach out via email, phone, LinkedIn, SMS, and gifts.

(Source: Leadium)

Main features:

• Outbound appointment setting.
• Inbound lead management.
• Channel-optimized lead research.
• Top-of-funnel consultation.
• Deliverability and technology implementation.

18. Cleverly

Category: Software

Cleverly is a platform that offers AI-driven LinkedIn lead generation services. It automates connecting with potential clients on LinkedIn, nurturing relationships, and generating leads. 

Additionally, Cleverly uses LinkedIn’s industry feature to pinpoint and connect with the most relevant decision-makers. 

(Source: Cleverly)

Main features:

• LinkedIn contact lists and cold outreach sequences.
• Recruitment services, e.g. candidate list building
• A/B tested copywriting
• Zapier integration 

19. Pearl Lemon Leads

Category: Agency

Pearl Lemon Leads is a lead generation and marketing agency. They specialize in generating leads for businesses through various digital marketing strategies. 

These include search engine optimization (SEO), pay-per-click (PPC) advertising, social media marketing, email marketing, and more. Plus, Pearl Lemon Leads’ expert team creates cold-calling lead generation campaigns from scratch aligned with your business goals.

(Source: Pearl Lemon Leads)

Main features:

• Customized lead generation strategy.
• Appointment setting services.
• Outsourcing cold calling activity.
• Lead tracking and reporting.

20. Adapt.io

Category: Software

Adapt.io is a B2B lead generation company that provides contact data. Its comprehensive database includes business contact information like email addresses, phone numbers, and social media profile links.

Users can try the Chrom Extension to find and connect with leads on LinkedIn. Adapt also has API access, CRM integration, and data enrichment capabilities.

(Source: G2)

Main features:

• Advanced search filters and a Chrome Extension.
• Data enrichment.
• API access.
• CRM integration.

Types of lead generation company

Picking the right lead generation partner can be a game-changer for effectively filling your sales pipeline. Here’s a look at three popular lead generation company types with unique strengths and trade-offs.

1. Data providers

👉 Examples: Kaspr, Cognism.

If your team is about direct outreach and needs solid data to drive it, data providers are the way to go. Companies like Kaspr and Cognism supply enriched contact info and firmographics, making it easy to zero in on high-potential prospects.

• The pros: You get large datasets with valuable insights, helping your sales team identify targets faster. This is perfect if you have a strong in-house sales team ready to turn data into action.
• The cons: Data quality among providers can vary, and there’s no support for building relationships. You’re on your own when it comes to nurturing leads.

2. Outsourced SDR Services

👉 Examples: CIENCE, Operatix. 

Do you need the prospecting, lead scoring, and qualifying process done for you? Outsourced SDR services like CIENCE and Operatix bring in experienced reps to handle everything from outreach to appointment setting.

• The pros: Ideal for scaling up quickly without hiring in-house, these services bring expertise in outreach and can manage lead generation at scale.
• The cons: Costs can add up quickly, and outsourced services might not perfectly capture your brand’s tone, understand your product, or adapt to changes without close management.

3. Marketing-Driven Lead Generation Companies

👉 Examples: Pearl Lemon Leads.

If you prefer leads coming to you, marketing-driven companies may be your fit. They use content marketing, SEO, and social media to attract warm leads interested in what you offer.

• The pros: You build awareness and credibility, often resulting in warmer, more receptive leads.
• The cons: It can take time to see a return, and short-term results can be harder to measure.

💡 Remember: Each option has strengths, so consider your goals, budget, and preferred approach to find the right fit for you.

Differences between lead gen agencies vs data providers

B2B lead generation agencies and data providers serve different purposes. Data providers often offer raw data and software. You’re not just buying the database but the platform and its features. Platforms like Kaspr and Cognism give users access to large B2B  contact databases, making it easy to find potential leads. 

On the other hand, lead generation agencies, such as CIENCE, handle the entire outreach process. They not only find leads but also engage and qualify them. It’s a complete end-to-end service, so the user picks up the lead once a meeting has been booked.

How to measure the ROI

To calculate the ROI of lead generation services, use this simple formula:

ROI = (Revenue generated - Cost of lead gen) / Cost of lead gen x 100

Lead quality plays a significant role in ROI. High-quality leads—those more likely to convert—will usually bring better returns than low-quality leads. If your service provides leads that fit your ideal customer profile, your chances of closing sales increase, leading to a more substantial ROI.

Start selling today with Kaspr

Kaspr is a lead generation company that’ll have you selling from day one. Our easy-to-use platform finds contact data for prospects while you view their LinkedIn or Sales Navigator profiles. Enrich your list with accurate data ready to cold call. 

Sign up right now to test our data quality. No credit card is required. 👇