- Revenue
- $1.5B
- Customers
- 250K
- Year founded
- 1996
- Funding
- $7.3M
- Team size
- 24K
- Growth
- 9.63%
Top 50 Email Verification Software Companies (September 2026)
As of September 2026, Latka tracks 72 email verification software companies. They have combined revenues of $2.2B and employ 28.1K people. They have raised $363.3M and serve 25.2M customers combined.
Every company below sells email verification software to other businesses and is ranked by its most recent annual revenue. Revenue, funding, headcount and customer figures come from CEO interviews on the Latka podcast, public company filings, and Latka estimates where a company has not disclosed a number.
What Email Verification Software Companies do
Email Verification Software is a category of tools designed to validate and verify the deliverability of email addresses. These tools primarily help businesses maintain list hygiene by identifying invalid, temporary, or disposable email addresses, thereby improving email deliverability rates and ensuring that marketing campaigns effectively reach their target audiences. The primary use cases for email verification software include lead validation, user registration verification, and list cleaning. Businesses use these tools to enhance the quality of their email lists for various workflows such as email marketing, customer relationship management (CRM) maintenance, and fraud prevention. Common features of these tools often include real-time verification, batch processing, and integration capabilities with other software platforms. Typical buyer personas for email verification software include marketing teams focused on campaign effectiveness, sales operations seeking to improve lead quality, and IT departments responsible for data integrity. HR teams may also engage with these tools to ensure the validity of candidate contact information during the recruitment process.
- Companies
- 72
- Revenue
- $2.2B
- Funding
- $363.3M
- Employees
- 28.1K
Filters
Sorting: Highest -> Lowest
Top Email Verification Software Companies by revenue
Showing 10 of 72 companies ranked by annual revenue.
Bellevue, Washington, United States
RocketReach is a bootstrapped contact-discovery and lead-intelligence platform founded in 2015 and headquartered in San Francisco. The company provides email lookup, professional profile data, and an API used by enterprise clients including Apple, Google, Chase, and Morgan Stanley. As of early 2017, RocketReach had accumulated 300,000 registered users and was generating revenue across two streams: consumer subscriptions and API access, split roughly 60 percent and 40 percent respectively. Cofounder Amit Shanbhag built the product without outside capital, keeping the team at approximately seven people while maintaining an estimated 80 percent gross margin. The company experimented with a lead-generation pilot before pivoting back to a self-serve productivity model, targeting sales teams as a de facto workflow tool. Shanbhag declined to disclose precise paying-customer counts or total revenue figures during the interview, though he confirmed the business was generating revenue in the millions. In August 2020, Brighton Park Capital made a majority-stake growth investment of 92 million dollars in RocketReach, marking the company's first outside capital. As of 2025, the company employs between 50 and 99 people.
- Revenue
- $221M
- Customers
- 75K
- Year founded
- 2015
- Funding
- $92M
- Team size
- 94
- Revenue
- $150M
- Customers
- 5K
- Year founded
- 2015
- Funding
- $251.3M
- Team size
- 800
- Growth
- 50%
Chester, United Kingdom
GBG is the leading expert in global identity and location tech, enabling safe and rewarding digital lives for genuine people, everywhere. For over 30 years, we have combined global data with our innovative technology to make sure that genuine people everywhere can digitally prove who they are and where they live. We are an essential ingredient that protects against digital crime, strengthens business resilience and drives responsible growth, at scale, across a diverse range of sectors. Today, our team of over 1,100 people serve more than 20,000 customers globally.
- Revenue
- $146.5M
- Year founded
- 1989
- Team size
- 1.3K
Boston, Massachusetts, United States
Businesses run better and grow faster with trustworthy data. Tens of thousands of organizations across the world rely on Validity solutions – including Everest, DemandTools, BriteVerify, GridBuddy Connect, and MailCharts – to target, contact, engage, and retain customers effectively. Marketing, sales, and customer success teams worldwide trust Validity solutions to help them create smarter campaigns, generate leads, drive response, and increase revenue.
- Revenue
- $36.7M
- Year founded
- 2018
- Team size
- 334
New York, New York, United States
Launch your business to new heights with Snov.io sales engagement. More positive replies, more meetings, and more closed deals – with no extra manual work. Growing revenue for everyone from solopreneurs to enterprises!
- Revenue
- $22.7M
- Customers
- 150K
- Year founded
- 2017
- Team size
- 206
- Growth
- 210.41%
Bella Vista, New South Wales, Australia
We get excited about data! Specifically, we love taking the friction out of data entry and making data accurate. Kleber, our web services API platform, assists organisations improve the quality and accuracy of their data though intuitive data entry and real-time data validation and enrichment technologies. With Kleber you will: - Deliver a better user experience - Eliminate data entry errors - Improve communications - Streamline information exchange - Enhance identity verification capabilities - Obtain superior BI and analytics DataTools is an Australian Software Company specialising in providing data quality, data preparation and mail production solutions. For more than 20 years Australian software developers DataTools have set a new standard for Australian software development by delivering robust and user friendly software backed by a commitment to unlimited technical support. All support is supplied locally by highly qualified data quality specialists.
- Revenue
- $20.9M
- Year founded
- 1994
- Team size
- 190
United States
Automates lead generation, email outreach, and lead qualification so you can focus on selling.
- Revenue
- $14.9M
- Customers
- 20M
- Year founded
- 2016
- Funding
- $12M
- Team size
- 102
United States
FlashIntel is building an advanced Go-to-Market platform that leverages AI agents to uncover and automate successful, repeatable GTM playbooks and blueprints. The platform combines insights and actions through structured workflows and aggregated data, enabling revenue teams to efficiently execute strategies based on data-driven intelligence. Explore our offerings at https://www.flashintel.ai ☁
- Revenue
- $13.7M
- Year founded
- 2022
- Team size
- 91
Santa Barbara, California, United States
Our Email Validation Service quickly and accurately removes invalid, disposable, spam traps, abusive and other harmful email addresses. 98% Accuracy Guaranteed. Try our Free Trial now!
- Revenue
- $10M
- Customers
- 100K
- Year founded
- 2015
- Team size
- 20
Frequently asked questions about Email Verification Software Companies
How many email verification software companies are there?
Latka tracks 72 email verification software companies with reported revenue. Together they generate $2.2B in annual revenue and employ 28.1K people.
Which email verification software company is the largest?
Zoho is the largest, with $1.5B in annual revenue, founded in 1996.
How much revenue does a typical email verification software company make?
The average email verification software company in this list makes $30.8M a year, across 72 companies with reported revenue. They serve 25.2M customers combined.
Who are the leading Email Verification software vendors?
Ranked by annual revenue, the leaders are Zoho, Rocketreach, Apollo.io, GBG Plc and Validity Inc..
How much funding have email verification software companies raised?
The 72 email verification software companies tracked here have raised $363.3M in disclosed funding between them.
Related Office Software categories
Inclusion Criteria
- The software must be designed to validate email addresses before usage in campaigns or databases. - It must offer features to identify invalid, disposable, or temporary email addresses. - The product should include real-time verification capabilities for immediate feedback. - It must support batch processing to handle bulk email lists for cleaning. - Integration with email marketing platforms or CRMs is essential for seamless operations. - Not limited to validation; must also provide data hygiene solutions to maintain email list quality.