1. A-Leads

A-Leads is a fast-growing B2B Data vendor built for sales, marketing, and revenue teams that need fresh, accurate, and high-quality data at scale, and based on the many users’ recent experience, is considered to be one of the best on the market in the field of b2b contact data.

Offering high-quality business contact information and letting companies import data directly into the tools they already use on a day-to-day basis, allowing them a much faster, more seamless prospecting and outreach process.

A-Leads was built to support go-to-market strategies with a much more reliable way of getting leads.

Users are able to access real-time, verified, and enriched data, alongside incredibly flexible delivery and practical filtering.

What makes A-Leads the best Data Provider?

• Real-time verified and enriched data without any extra cost
  A-Leads gives you verified, campaign-ready contact data with freshness and deliverability. The data is built to be used immediately in your outbound campaigns and CRM workflows, which allows you to remove any need for additional cleaning or enrichment in external platforms that would come with additional cost.
• Seamless integrations with CRMs like HubSpot, Instantly, and custom APIs
  The platform was built to make sales and lead generation not only accessible and easy for any type of company to operate, but also affordable. With incredible options for a wide range of integrations with services like HubSpot, Instantly, and EmailBison or other tools through a custom API, the process of pulling, segmenting, and deploying data has been simplified completely.
• GDPR-compliant contact data (CCPA Compliant, GDPR Compliant, SCO2 Type 2 Certified)
  Instead of building your data on a foundation of outdated, invalid data that hasn’t been updated for months, A-leads has solved that for you by keeping you as a customer covered under their compliance that covers both CCPA, GDPR, and SCO2, and with constantly updated, refreshed data.

Do You Want to try 50 Free leads?

1. Head over to A-Leads and press the top right corner ‘‘Try for free’’
2. Register with your email and access the platform directly.
3. Start using our Advanced Search in our lead finder to find your ideal leads.
4. Start exporting leads one by one or in bulk.

Who is A-Leads a ‘‘Best Fit’’ for:

A-Leads would fall under the best choice for any form of small or big company that is selling a product or service to another company.

Agency owners and regular B2B companies that are actively running (or looking to start) outbound campaigns both globally and locally are the most common form of company we’ve seen using A-Leads regularly.

But all in all, it’s just a great option for companies that are looking for a way to gain quick access to reliable data without major levels of complexity (or enterprise-level price tags for that matter).

Customers of A-Leads often note the ease of use on A-Leads and the practicality of the integrations for linking existing flows together.

Pricing:

The packages available at A-Leads are very competitive. One thing is the cost-effectiveness (they are cheap compared to others), but then, more importantly, you just get more ‘’bang for buck’’.

With their paid plans starting at just $50 per month with unlimited users (exactly, no additional cost and unlimited rollover on credits), and offering more than double the leads for the same cost that other vendors are charging you for half.

You have an incredible tool at a very cost-effective and competitive rate all around.

If you want to, you can View detailed pricing here or talk to the team to get a Custom Plan.

Why Companies Decide To Go With A-Leads:

“A-Leads gave us cleaner, more usable data than other providers we tested. It was much easier to activate in outbound campaigns without additional tools or cleanup.”

Read all our reviews here.

2. Kaspr

Next on the list, we have Kaspr, and this is another B2B contact database tool built with one of the main focus points being on individuals, recruiters, and founders.

It’s also relatively well-known for its browser extension that extracts the contact information from LinkedIn profiles, making it super easy and quick for their users to gather contact details of their leads on the go while strolling around on LinkedIn.

Who is Kaspr Best For:

Kaspr has been built for individuals or small companies, and generally speaking, salespeople who want leads on a smaller and more targeted scale through LinkedIn profiles.

The key features of Kaspr:

• Instantly access business emails, mobile numbers, and company data through LinkedIn Extension.
• Integrates with other known sales tools like HubSpot, Pipedrive, Lemlist, Salesforce, and others
• GDPR and CCPA-aligned contact data

Pricing:

Pricing starts at approximately $55 per month with a credit-limited plan that allows users only up to 12,000 exports per year.

3. ZoomInfo

ZoomInfo is next up on our list, and this is one of the more well-known commercial B2B lead databases (especially known for its not-so-cheap price tag).

You’ll have access to a wide range of different filters and criteria that you can build super-targeted lists off of, such as firmographic, technographic, contact data, and filters for buying intent signals and such.

Who is ZoomInfo Best For:

We’d put ZoomInfo in a bucket for the bigger companies with large sales teams or more advanced/complex go-to-market tool stacks that typically require deep integration.

(Not to mention that it’s mainly suited to companies with deep pockets and where budget isn’t a concern)

The key features of ZoomInfo:

• Features for automatic duplicate removal and data cleaning.
• Their Intent signals and buying behaviour alerts are very accurate.
• Mandatory integrations with CRM and marketing automation platforms to streamline other tools with the platform.

Pricing:

As previously mentioned, ZoomInfo has great features, but it’s definitely not for everyone, as the price tags for leads there, to put it bluntly, aren’t for everyone.

Their packages are often based on usage and typically require a longer-term commitment/contract.

4. Lusha

Lusha is another option for a reliable supplier of B2B lead data.

Companies using Lusha have the option to access verified business contact information through the database on their web application and through the Chrome extension when doing manual LinkedIn prospecting.

Who is Lusha Best For:

Lusha falls under the individual business owners and small companies market that need quick contact data with simple filtering options at a lower scale due to the limits of credits available under your account.

Key features:

• Advanced filters or customized contact lists
• Enrichment and push to preferred tools
• Instant insights based on past searches

Pricing:

Starts at ~$22 per month, including a tier with limited credits and team members.

5. Apollo.io

Apollo.io is well known for combining the B2B contact database with an integrated outreach automation feature, giving the users of their platform the opportunity to build lists and run campaigns within the same platform.

Who is Lusha Best For:

Small to medium teams that like to have an all-in-one tool for prospecting and outbound lead generation.

Key features:

• Prospect identification with active solution research
• Contact profiles + work histories and activity timelines
• Integrations with Salesforce, HubSpot, and LinkedIn Sales Navigator

Pricing:

Plans start at ~$49 per month with additional charges per user. limits on mobile and export credits.

8. 6sense

6sense functions as an account-based marketing and lead generation platform, using AI to give insights on relevant behaviour and engagement triggers.

Who is 6sense Best For:

Enterprise teams who prefer account-based strategies & intent signals over simple and generic contact discovery.

Key features:

• Account activity and buying interest notifications
• Firmographic, technographic, and psychographic contact data
• Deanonymised website visitor mapping

Pricing:

Tiered enterprise packages; demo required.

9. LeadIQ

LeadIQ primarily focuses on helping sales teams gather contact data, including emails and direct contact phone numbers, and push the leads into sequences and CRMs.

Who is LeadIQ Best For:

Sales teams with a main focus on prospecting heavily inside LinkedIn.

Key features:

• Capture and push workflow for sequences.
• Contact enrichment with email, mobile, job title, and social profiles

Pricing:

Plans range from Free to Enterprise, starting around $15 per user per month.

10. RocketReach

RocketReach offers access to a large global professional database with dozens of filters for precision targeting.

Who is RocketReach Best For:

Companies and teams that prioritise breadth of contact coverage with a simple search experience.

Key features:

• 700M+ profiles, 60M company records
• API and custom integrations
• Look-alike audience data
• Cold email campaign tracking

Pricing:

Starts at ~$19 per user per month with very limited credit usage and data exports per year.

11. Seamless.ai

Seamless.ai combines AI search with a real-time contact discovery engine to help identify prospects.

Who is Seamless.ai Best For:

Teams that want automated discovery with third-party integrations like HubSpot and Google Sheets.

Key features:

• Automates the process of finding and importing leads
• Third-party integrations
• Buyer intent data

Pricing:

Tiered plans from Free to Enterprise plans, a demo is required.

12. Icypeas

Icypeas is a newer B2B data enrichment tool that integrates with outbound tools and CRM platforms. It gives you the opportunity to take external files and upload them to the platform and enrich for new validated email addresses that you didn’t have prior to enriching them, alongside other features that allow you to verify email data and do reverse email look-ups.

Who is IcyPeas Best For:

Smaller sales teams and startups that want quick contact enrichment and verification from existing files.

Key features:

• Email verification, reverse email lookup, and enrichment.
• CRM push and campaign exports
• Basic filtering by role and location

Pricing:

Tiered plans based on usage; plans with limited credits start at $19 per month per user.

13. Instantly.ai SuperSearch

Instantly.ai SuperSearch sources contact data geared toward outbound automation and integration with their own sequencing platform.

Who is Instantly.ai Best For:

Teams already using Instantly.ai for outreach and wanting native lead sourcing to make creating and launching outbound campaigns more streamlined.

Key features:

• Integrated lead list building and outbound sequencing.
• Large, extensive lead database with waterfall data enrichment from external data providers to ensure accurate data
• Import into Instantly sequences

Pricing:

Usually bundled with Instantly.ai plans and required to have stacked subscriptions to be able to use the SuperSearch.

14. Prospeo

Prospeo is a lead database platform built to generate verified contacts and company information for outbound campaigns and is known for its high-quality data with good accuracy.

Who is Prospeo Best For:

Startups and small growth teams are also commonly used by outbound agencies.

Key features:

• Large database with extensive options to get email data, phone data, and other company-related information
• Filters for intent with over 15,000 different topics to choose from
• Basic enrichment features

Pricing:

Subscription-based plans start at $37 per month per user.

15. Fullenrich

Fullenrich provides contact data and enrichment services that let you find data from more than 20 vendors, ensuring a high hit rate for accurate data through its waterfall.

Who is FullEnrich Best For:

Sales and marketing teams prioritise data hygiene and enrichment alongside contact discovery.

Key features:

• CRM enrichment workflows
• Waterfall enrichment from more than +20 different data vendors
• Additional firmographic and technographic data

Pricing:

Tiered credit plans start at $26 per month per user for the lowest amount of credits.

16. Cognism

Cognism is a global B2B contact data provider and go-to-market intelligence platform used by sales, marketing, and revenue operations teams. It combines contact data, company insights, and compliance-focused data sourcing to support prospecting across international markets.

Cognism is particularly known for its European data coverage and emphasis on regulatory compliance, which has made it a well-liked choice among mid-market and enterprise organisations operating in EMEA.

Who is Cognism Best For:

Cognism is best suited for larger teams expanding into European markets that prioritise GDPR compliance and structured sales intelligence. Reviewers regularly highlight compliance and the availability of mobile numbers as reasons for choosing the platform.

Key features:

• Strong coverage of European and EMEA markets, for B2B contacts, and decision-makers
• GDPR and CCPA-aligned data sourcing
• Verified mobile numbers designed to improve connect rates
• CRM enrichment and data refresh capabilities
• APIs and integrations for enterprise sales stacks

Pricing:

Cognism offers different tiers of custom packages, with pricing based on data access and feature requirements that all vary based on team size, scale of volume, and more.

FAQs about buying leads

If you’re considering buying leads but want to avoid mistakes that will end up costing you a ton of time and money, these are the questions that come up most often.

The answers below should help you make better-informed, lower-risk decisions.

Where can you buy leads?

There are a few common places that you can buy leads from:

• B2B data providers (platforms, such as A-Leads)
• Lead list sellers that provide static CSV or Excel files (Typically built by Virtual Assistants from platforms such as Upwork or Fiverr)
• Agencies or freelancers that deliver leads or even book meetings as a managed service

Each of the options has the same end result but suits different levels of companies. Early-stage startups sometimes choose agencies to avoid hiring SDRs. More established teams often prefer data providers, which gives their own internal sales reps the opportunity to work directly with the data vendors, to gather up-to-date contact data and move it through the pipeline themselves.

Who can buy leads?

In practice, almost any business or person can buy leads. The deciding factor isn’t eligibility, but fit.

Different providers specialise in different markets, regions, and company sizes. Some focus on SMBs, others on enterprise or international coverage. Choosing the right tool depends on your goals, sales motion, and target geography.

A-Leads focuses on a broad segment, which means it falls under the radar of many SMBs and Enterprise companies when looking for a reliable, all-around data provider.

Is buying leads legal?

Yes, buying leads is legal when done correctly.

Reputable B2B data providers operate under strict compliance policies and provide contracts that outline lawful data usage. Regulations to be aware of include GDPR in Europe, CCPA in California, and CAN-SPAM in the US.

Problems typically arise when data is scraped, outdated, or sold without proper compliance safeguards.

Getting data from a place like A-Leads that supplies compliant and both real-time enriched and verified data to ensure you are within the lines of the law.

Does lead quality vary between providers?

Significantly.

Some providers prioritise database size, while others focus on accuracy and freshness. Buying from unreliable sources increases the risk of outdated contact information, compliance issues, and wasted sales effort.

High-quality data saves time. Low-quality data creates noise.

And it’s important to choose your provider wisely, as data inaccuracy isn’t just wasting your time. It’s harming your entire lead generation infrastructure and ends up costing you far more than just the leads wasted.

How much does it cost to buy leads?

Pricing varies widely depending on:

• Data accuracy and verification strategies
• Geographic coverage
• Availability of mobile numbers or intent signals
• Platform features and integrations

Lower-cost options usually come with trade-offs, such as fewer credits or limited users per workspace. Before committing, it’s worth requesting a demo or data sample to evaluate whether the quality justifies the price.

Will buying leads guarantee sales?

Simple answer, No. It won’t guarantee sales.

Leads are the fuel for your own foundation. If the foundation lacks structure, it will eventually affect the outcomes. Even the best-quality data, with the highest accuracy, will not replace your main messaging, your targeting, or the number of follow-ups you make.

Buying leads from databases works best when you pair it with a clear sales foundation and consistent follow-up execution.

Automation and CRM workflows can help, but results still depend on how the data is used.

How can you find more qualified leads through databases?

Using advanced filters, intent signals, and firmographic criteria helps narrow lists to prospects most likely to convert. The more control you have over segmentation, the more relevant your outreach becomes.

How do you use these leads with your internal systems?

Most modern data providers integrate with CRMs and outbound tools. This allows teams to push contacts directly into their workflows without manual uploads or reformatting.

Choosing a provider that fits your existing stack reduces friction and adoption time.

Who has the best sales lead database?

There’s never going to be a single best option for everyone.

The most reliable data providers typically share a few similar traits:

• They have verified email addresses and phone numbers.
• They emphasise data quality over volume.
• They have clear compliance standards.
• They give you flexible access to data.
• They have an easy-to-use platform and responsive support.

And if you take a look at a tool like A-Leads, it’s often chosen by teams that want practical, outbound-ready data without the unnecessary complexity and confusion that is typically seen in the space.

Getting a free data sample is usually the easiest way to determine whether a provider fits your needs ot not.

Are you interested in comparing A-Leads’ data quality with other providers?

You can Get 50 Free Leads when signing up for a free trial on A-Leads

Or book a platform walkthrough with the A-Leads team to see how the platform works in action.