Top 10 CoreSignal Competitors and Alternatives

We have been in the B2B data business for over 20 years and have seen CoreSignal become a more recognized name over the past 9 years since they started in 2016. We realize that having the right B2B intelligence can make or break your product strategy and CoreSignal has emerged as a key player in the B2B data space: They offer large-scale datasets that power company firmographics and contact details like emails and direct phone numbers. But as more companies look for more scalable data solutions that aren’t as expensive, it’s natural to look for competitors.

Whether you’re looking for better data coverage in certain industry or country segments, or looking for less expensive options, we break down the top 10 CoreSignal competitors and alternatives you should know. When creating this list we considered company datasets, employee datasets, ease of use, pricing, and b2b data freshness so you can make an informed choice.

TABLE OF CONTENTS

1. Lead411
2. Zoominfo
3. Apollo
4. People Data Labs
5. Cognism
6. Clearbit
7. Lusha
8. 6sense
9. Demandbase
10. Uplead
~~ FAQ

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🔍 Why Look for CoreSignal Alternatives?

CoreSignal scrapes public web data—covering company profiles, employee details, job postings, and company technologies via the CoreSignal API. But it doesn’t always offer:

• Direct phone numbers and verified email addresses
• Unlimited b2b data
• Additional company intel and firmographics.

If you’re looking for cleaner B2B data, real-time enrichment, or a true data partnership, the companies listed below might serve you better.

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🏆 Top 10 CoreSignal Competitors and Alternatives

1. Lead411

Ideal for: Companies looking for a clean dataset at a good price.

A top Coresignal alternative, Lead411, offers contact data with direct dials and emails, real-time sales triggers like job changes/vc financing, and company growth scores. It’s especially strong in United States, Canada and the United Kingdom…. Mostly English speaking countries. Lead411 partners with other platforms to license out its entire dataset so they can resell their data within their platform.

Strengths:

• Clean direct phone numbers and email addresses.
• Emails verified via SMTP, Catch-all, and Manual
• Unlimited delivery which is great for data partners looking to resell the data.

Weaknesses:

• Not a great fit for APAC/EMEA.
• No technographics or jobs data available for resell.

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2. ZoomInfo

Best for: Companies who have big pockets to spend on a global database.

ZoomInfo is probably the most well-known name in B2B data. Unlike CoreSignal, which is more raw and API/file-focused, ZoomInfo is more focused on its all-in-one SaaS platform built for sales, marketing, and recruiting. It does, however, license out its dataset for a premium price. It includes contact data, company insights, buying signals, and intent data.

Strengths:

• Contact Data from their Community
• B2B intent signals
• Global Database

Weaknesses:

• Premium pricing
• Contract-heavy sales process
• Privacy issues with their community data.

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3. Apollo.io

Best for: A larger database at a cheap price.

Apollo.io is becoming more and more popular due to some of its free options for its B2B contact data and outreach tools in one platform. Its Chrome extension and email sequencing tools set it apart from CoreSignal’s batch data delivery model. Apollo can be a good choice for companies looking for a large dataset of contacts at a cheaper price.

Strengths:

• Affordable, with a generous free tier
• Contact-level title accuracy is decently strong.
• Native outreach and CRM integrations

Weaknesses:

• Catchall “verified” emails are not verified. Expect a high bounce rate.
• Direct phone numbers are not as accurate as other platforms.

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4. People Data Labs (PDL)

Best for: Developers and data teams looking for customizable person and company datasets

PDL, like CoreSignal, specializes in large-scale datasets delivered via API or flat file. It is known among data engineers, sales engineer teams, and GTM strategists. Their person and company data is often used in custom scoring models, enrichment tools, and data science projects. Their database is very large, but accuracy can be a problem.

Strengths:

• Rich developer API documentation.
• Transparent pricing.
• Has more than 3 billion people profiles.

Weaknesses:

• Accuracy of data can be a problem. Especially on emails and phone numbers.
• Requires strong technical resources to use

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5. Cognism

Best for: GDPR-compliant data across Europe

If you’re operating in Europe or need international reach, Cognism is a great CoreSignal alternative. The company has built a reputation for GDPR Compliant B2B data with good phone contacts, especially in the UK and EU markets. Their main product is there web interface tool with data, but they license their dataset out as well.

Strengths:

• Compliant with international privacy laws like GDPR
• Great contact phone number coverage in EMEA
• Integrated dialer and outbound tools

Weaknesses:

• Less extensive US coverage
• Pricing is not publicly listed

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6. Clearbit

Best for: B2B Data enrichment and web personalization

Clearbit excels at contact enrichment and website personalization to make a better seamless experience for your website visitors. After Hubspot‘s acquisition of Clearbit, it changed its name to Breeze Intelligence. While Clearbit’s primary product is focused on end users and companies, it does resell its data to other data partners to use in their own platforms.

Strengths:

• B2B company and contact enrichment
• Strong Salesforce integrations
• Popular with product-led growth companies

Weaknesses:

• Limited contact-level detail and accuracy
• Focuses more on firmographics than signals

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7. Lusha

Best for: For European direct phone numbers and maybe personal emails

Lusha is an international favorite for individual reps and smallish teams. Its Chrome extension makes it easy to pull contact info directly from LinkedIn, and its database is fairly rich for its price point. Lusha is ideal for users who need a good chrome extension.

Strengths:

• International Data including Europe
• Quick Chrome Extension
• API Capabilities

Weaknesses:

• Lower USA coverage.
• Not strong outside of European mobile dials.

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8. 6Sense

Best for: Enterprise teams that need intent data and data orchestration.

6sense is a GTM orchestration platform designed for Enterprises that want to identify and engage buyers before respond to outreach. It leverages b2b intent data to uncover anonymous buying behavior, prioritize high-intent accounts, and guide SDRs toward the most promising leads. While most 6sense customers are using their web app, they also have an API in which they license their data out to others.

Strengths:

• Great for ABM
• platform for sales, marketing, and RevOps
• Some API capabilities

Weaknesses:

• Less updated contact data.
• Focused on intent vs contacts.

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9. DemandBase

Best for: Enterprise level data for ABM

Demandbase is similar to 6sense. They are strong for GTM teams to be able handle their ABM as well as their CRM updating. It uses b2b intent data to find top accounts to go after and includes contact information like phone numbers and emails. Demandbase partners with other platforms to license its intent data via API, etc.

Strengths:

• Good Enterprise Intent Data
• Easy web app.
• API capabilities

Weaknesses:

• Enterprise pricing.
• Focused on intent vs contact data.

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10. Uplead

Best for: Lower priced solution that has decent pricing per record.

UpLead is a strong ZoomInfo and CoreSignal alternative that focuses on verified data. Every email is checked in real-time before being delivered, and the platform includes filters for industry, revenue, and tech stack. It’s an especially great choice for small teams who need decent data at a lower price.

Strengths:

• Decent dataset size
• Easy web app and chrome extension.
• API capabilities

Weaknesses:

• Less accurate direct phone numbers.
• Focused on b2b intent too.

Frequently Asked Questions