The Best B2B Lead Generation Databases for Targeted Outreach

B2B lead generation has come a long way. Technology has made it easier than ever to reach potential clients, but it’s also raised the bar. The days of scraping websites or relying on basic tools for decent results are over. As outreach becomes more sophisticated, so do the challenges. 

The good news? Lead generation tools have evolved, too. The only real issue now is figuring out which ones are actually worth investing in.

That’s where this guide comes in. We’ve curated a list of the best B2B lead databases built for targeted outreach. Let’s dive in so you can skip the guesswork and start connecting with high-quality prospects faster.

1. Instantly

Instantly sets the industry standard with Supersearch, a powerhouse lead database housing over 450 million verified B2B contacts. The platform’s AI-powered search lets you filter by location, job title, company size, revenue, and even technographics, so uncovering your ideal prospects is fast and precise.

Instantly Feature Highlights

• Advanced filters: Sort through Instantly’s massive lead database with powerful advanced filters designed to get you warm leads every time. 
• Clone clients: Boost deliverability and response rates by highlighting leads with similar profiles to existing customers.  
• 1-Click outreach: Simplify outreach by contacting all shortlisted leads at once with a single click. 
• AI Web Researcher: Scan and scrape information from lead websites with AI directly from the Instantly interface for your B2B outreach. 
• AI Email Writer: Take the guesswork out of writing personalized emails with Instantly’s AI writing tool. 

Instantly Pros 

• Full profile enrichment to maximize targeted outreach.
• Exports to major CRMs for seamless integration into existing workflows. 
• Built-in AI integrations with OpenAI, Anthropic, and Deepseek for lead personalization.
• All Instantly leads come verified, removing the need for third-party verification tools.

Instantly Cons

• Limited team collaboration features. 

2. Apollo

Apollo’s B2B lead database is expansive, and its Pipeline Integrations allow the platform to work in tandem with all sorts of CRM solutions. It also offers real-time data enrichment and buying intent signals, all from a Chrome extension. 

Apollo Feature Highlights

• Precision Search Filters: Offers over 65 customizable filters to help narrow down leads from its database of more than 210 million leads.
• Account-Based Prospecting: Identify key decision-makers within an account to craft highly personalized outreach and get optimal results. 
• Recommendations: Leverage AI to suggest potential warm leads that you might have missed in a manual search. 

Apollo Pros 

• Offers free trials for premium plans and a free plan for small outreach efforts.
• Real-time database verification to ensure accurate contact information and details.

Apollo Cons

• Apollo’s Chrome extension can experience significant issues immediately following updates, leading to downtime.
• The precision filters can be overwhelming for beginners and are a poor replacement for more intuitive filtering.

3. Uplead

Uplead offers strong lead database features and allows you to build lead lists quickly thanks to its Real-Time Prospecting feature. This means you won’t have to sit through waiting and processing to see the list updates and data enrichment for your leads. 

Uplead Feature Highlights

• Competitor Intelligence: Gain actionable insights about competitors to help you carve out a niche outreach profile. 
• Zero-Waste Downloads: Manage lead exports and only pay for the number you use after verification.
• Technographics: Search company databases based on technologies being used there, allowing you to identify competitive or complementary prospects. 

Uplead Pros 

• Uplead doesn’t charge for leads that can’t be matched with a verified email. 
• Worldwide coverage for international outreach and targeted expansion campaigns.

Uplead Cons

• Very uncompetitive pricing, considering its relatively small database size.

Some important features, like full API integration and buyer intent data, are not available on any of the retail plans. 

4. Bookyourdata

Bookyourdata offers a user-friendly pricing model—an all-inclusive paid plan with a slider for more credits and nothing else. With a solid collection of B2B prospecting and enriching tools, the platform becomes accessible for even the most massive outreach campaigns. 

Feature Highlights

• Lead Targeting: Target specific leads with laser focus, such as recently funded companies or job seekers for recruitment campaigns. 
• Streamlined Technology Insights: Use a Chrome extension to get a company’s technology stack and find similar leads. 
• Volume Discounts: Pay less per contact the more credits you purchase at once, dropping as low as $0.010/credit at the highest tier. 

Bookyourdata Pros 

• Lots of data attributes for each record.
• Credits never expire or reach an imposed cap.

Bookyourdata Cons

• The pricing structure can be difficult for some campaigns to properly manage. 
• Integrations with CRMs are still a work in progress and might not be available for your preferred service.

5. ReachStream

In addition to strong data prospecting and enrichment tools, ReachStream also offers dedicated Data-As-A-Service solutions, working with your existing infrastructure to meet your B2B requirements and needs. 

ReachStream Feature Highlights

• Icebreaker: A free plan made specifically for first-time users to learn the ropes and understand the basic features.
• Unlimited Profile Views: Unlimited profile views for more personalized outreach for every single lead.
• ReachAPI: A robust API that allows for integration with popular CRMs and other platforms, including credit checks, data retrieval, and more.  

ReachStream Pros 

• Competitive pricing, especially for the highest-tier plans that include all features.
• Updates already prospect leads for you in perpetuity, with no additional charge.

ReachStream Cons

• Smaller database size compared to competitors.
• The UI, while beginner-friendly, can obscure some tools and result in a learning curve for many features. 

Find Leads That Actually Convert

Today’s top B2B lead generation databases all offer impressive features for segmentation, targeting, and scaling outreach. But when it comes to combining depth, precision, and ease of use, one tool stands out. Instantly gives you access to the largest B2B lead database on the market, along with every feature you need to find and convert high-intent prospects. Whatever your outreach goals, start connecting with the right leads faster, with Instantly.