Best B2B Data Providers for Startups of 2026

D&B Hoovers

Dun & Bradstreet

Create a faster path from prospect to profitable relationship with D&B Hoovers. Find key sales prospects and opportunities for growth. D&B Hoovers is a sales acceleration solution that provides a faster path from prospect to profitable relationship by leveraging data and analytics. B2B sales professionals can engage faster with customers to grow their business. Access comprehensive intelligence on more than 120 million business records. Deliver intelligence and insight into the tools where your sellers and marketers work every day. Intuitive interface and automated workflow features including triggers, alerts, smart lists and conceptual search. D&B Hoovers combines the world’s largest commercial database from Dun & Bradstreet with sophisticated analytics to deliver a sales intelligence solution packed with insight. D&B Hoovers offers dynamic search and list-building capabilities, realtime trigger alerts, comprehensive company profiles, and valuable research reports.

1,209 Ratings

View Provider

Visit Website

GrowMeOrganic

GrowMeOrganic is an all-in-one sales automation platform that helps you find verified business emails of your potential clients and send email sequences with automated follow-ups. Features: ✅ Extract unlimited emails from LinkedIn search results and export them in form of CSV ✅ Get access to 15 Million B2B company databases across the world which you can filter by a specific Industry and Country ✅ Find contact details of all the employees from any company ✅ Extract contact details of the local business list on Google Business Profiles ✅ Send unlimited cold emails with automated follow-ups. ✅ Use our email warm-up system to avoid landing your emails in spam

13 Ratings

Starting Price: $49 per month, 1 users

View Provider

RocketReach

RocketReach.co

RocketReach is the ultimate solution for connecting professionals to new opportunities. Powered by the world's largest and most accurate contact database of emails and direct dials, you will be able to connect directly with your ideal prospects. Prospect, connect and converse with your leads at scale with RocketReach. With RocketReach, you have access to real-time verified data for over 700 million professionals across 35 million companies worldwide at your fingertips. Thanks to proprietary crawlers and data-mining algorithms, users get information that is 4x more accurate and complete. Trusted by millions of users — powering sales, recruiting, and marketing to work efficiently, effectively, and immediately.

1 Rating

Starting Price: $49 per month

View Provider

ReachStream

ReachStream is your go-to B2B marketing and sales data partner. Find qualified prospects, export our datasets and initiate contact. Schedule meetings, optimize your outbound strategy, and create robust campaigns. Take the data-driven approach to accelerate your pipeline and convert valuable customers. Explore new markets and reach new customers globally. Discover interested prospects that fit your ideal buyer profile. Develop data-powered campaigns to generate maximum value and engagements. Source the perfect candidates, find their LinkedIn profiles, job titles and personal contact data. Generate lists of top candidates to incorporate in your campaigns and establish direct communication. Save time and effort spent on resumes and passive job listings. Engage top talents with insight-driven, personalized outreach.

1 Rating

Starting Price: $99 per month

View Provider

BookYourData

Bookyourdata is a reliable B2B data provider built for teams that need fast, accurate, and scalable access to business contacts. Thousands of sales, marketing, and lead generation professionals rely on Bookyourdata to buy email lists or build targeted datasets that power outbound campaigns, prospecting, and strong pipeline growth. The platform offers flexible data sourcing. Users can create custom email lists instantly by applying precise filters such as job title, industry, location, company size, and revenue tiers. For those who prefer ready-made data, Bookyourdata also provides pre-built email lists across key industries, roles, and global regions. All lists are ready for immediate download with no delays. Data quality is a core advantage. Every contact goes through a triple verification process supported by real-time email verification, ensuring authenticity, reliability, and a 97 percent accuracy guarantee.

49 Ratings

Starting Price: $99

View Provider

People Data Labs

We build workforce data, so you don't have to. People Data Labs provides comprehensive workforce profiles built with quality, coverage, and depth in mind. We collect, standardize, and refresh data, so you can build innovative products.

47 Ratings

Starting Price: $0 for 100 API Calls

View Provider

DealSignal

DealSignal provides fresh, accurate, verified B2B data that helps sales & marketing teams maximize their efficiency, performance and results. Precisely target the right buyers, personalize your outreach, and drive more conversions. The DealSignal platform provides access to 600M+ global companies and contacts with over 100 data points, including detailed account profiles, contact profiles, verified emails, corporate & direct phones, social URLs, and mailing addresses – all with 97%+ accuracy and a 100% data guarantee. Optimize your lead scoring and routing, accelerate sales follow-up, personalize conversations, and maximize conversion rates. Better sales and marketing performance starts with better data. Refresh, enrich & reverify your data automatically, on a schedule. Eliminate time wasted on manual data research. Build precise decision-maker lists that enable multi-touch, multichannel campaigns and cadences that deliver higher conversions and build more pipeline faster.

13 Ratings

Starting Price: $399 per month

View Provider

UpLead

UpLead is a B2B prospecting platform that provides the highest quality B2B contact & company data. Features include real-time email verification, worldwide contacts in over 200 countries, 50+ search criteria, technology tracking, account-based marketing, competitor intelligence, email pattern intelligence, social profile links, Salesforce & 12 other CRM integrations, robust API and more.

10 Ratings

Starting Price: $99 per month

View Provider

Seamless.AI

Maximize Revenue, Increase Sales & Acquire Your Total Addressable Market. Find 1000 companies with 50 employees or greater in the U.S. that belong to the Software, Marketing & Manufacturing Industries that use Salesforce OR Marketo. Then research 25 contacts per company (25,000 total) that are directors or above with the titles sales, marketing or IT. Include perfect emails, direct dials and insights for all contacts and accounts. Once done please upload all the data to Salesforce automatically and exclude any contacts that already exists in our CRM. Get emails validated by artificial intelligence for all your ideal contacts and accounts. Get phone numbers validated by artificial intelligence for all your ideal contacts and accounts. Quickly build lists of your most profitable contacts. Quickly build lists of your most profitable accounts. Research millions of contacts and accounts with our proprietary sales AI search engine.

21 Ratings

View Provider

Apollo

Apollo.io

Apollo is an all-in-one sales intelligence platform with tools to help you prospect, engage, and drive more revenue. Sellers and marketers use Apollo to discover more customers in market, connect with contacts, and establish a modern go-to-market strategy. Apollo's B2B Database includes over 220M contacts and 30M companies with robust and accurate data. Teams leverage Apollo’s Engagement Suite to scale outbound activity and sequences effectively. Finally, up-level your entire go-to-market processes with Apollo's Intelligence Engine with recommendations and analytics that help you close. Founded in 2015, Apollo.io is a leading data intelligence and sales engagement platform trusted by over 10,000 customers, from rapidly growing startups to global enterprises.

5 Ratings

Starting Price: $49 per user per month

View Provider

Clearbit

HubSpot

Data to power your entire business. Clearbit is the marketing data engine for all of your customer interactions. Deeply understand your customers, identify future prospects, and personalize every single marketing and sales interaction. Rely on fresh, accurate data with our proprietary real-time lookups. Then act on new information immediately, with sales alerting and job change notifications. Get company attributes like employee count, technologies used, and industry classification—and get employee details like role, seniority, and even job change notifications, right at your fingertips. With our dataset and machine learning algorithms, you’ll have all of the information you need to convert leads and grow your business. Get the right data directly into the tools you already use. We built Clearbit from the ground up to integrate right into your existing stack, providing uniform, seamless data across your sales, marketing, and analytics teams.

5 Ratings

View Provider

Lead411

Lead411 provides the most comprehensive and accurate information about contacts and companies available in the marketplace. We currently have over 450M contacts, within 20M companies worldwide. Through targeted filters, and Growth Intent Data, customers are able to view complete contact data profiles and find growing companies that are more likely to be in a buying cycle for adding services/solutions. Our growth intent triggers are an easy way for you to filter for companies that make the most sense to reach out to. These companies are growing and have growth indicators such as: recently funded, IPO release, revenue growth, hiring growth, new locations, hiring plans, new executive hires and more. Fueled with this information, customers can reach out directly from the platform with the built-in sales engagement tool Reach, which allows sales to send email and SMS messaging cadences and keep track of the hottest prospects. Includes a search as you go Chrome extension

1 Rating

Starting Price: $99.00/month

View Provider

Adapt

Adapt.io

Adapt.io is a B2B lead intelligence platform designed to streamline prospecting and data enrichment for sales and marketing teams. With a comprehensive database of over 250 million contacts and 12 million company profiles, Adapt.io provides accurate and up-to-date information, including direct dials and email addresses, enabling users to connect confidently with decision-makers across more than 3,000 industries. The platform offers advanced filtering options, allowing users to build hyper-targeted lists based on specific criteria such as industry, job title, location, and company size. Additionally, Adapt.io integrates seamlessly with popular CRM systems and provides a Chrome extension for real-time data access while browsing LinkedIn or company websites. By ensuring data accuracy through robust verification processes, Adapt.io helps businesses enhance their outreach efforts, improve conversion rates, and drive revenue growth.

1 Rating

Starting Price: $49 per month

View Provider

ContactOut

People are twice as likely to respond to their email compared to Linkedin messages and reply in up to 85% less time. Our AI engine is able to find emails for 75% of the western world. Two times more than any competitor. Our Chrome extension works on top of LinkedIn and Github, helping you find emails and phone numbers. Connect with the people that your business needs. Access all your saved leads in one place. Organize candidates into folders and share with your team. Export to spreadsheet and ATS with one click. Find candidates directly using ContactOut's search portal. Enjoy unlimited searches and discover candidates that are not on Linkedin. Engage with less effort. Send emails while browsing LinkedIn using our reusable templates. Contact multiple people at once and follow up automatically. ContactOut is an innovative and advanced technology solution designed to simplify the process of finding and connecting with professionals and industry experts across various fields.

1 Rating

Starting Price: $99 per month

View Provider

MassContacts

MassContacts is a curated database of 50 million+ working professionals and CVs. Boost your lead generation, marketing, and recruitment efforts. Use advanced filtering to find your perfect prospects and candidates. It’s the most affordable and easy-to-use contact database and CV search in the market.

1 Rating

Starting Price: $199

View Provider

Datazapp

At Datazapp, we provide affordable, high-quality marketing data to help businesses reach the right audience. Our self-service platform delivers real-time data appends, targeted lists, and deep insights to maximize your marketing success. Marketing & Audience Lists: Charitable Donors, Pet Owners, Hispanic, Jewish & Indian-Origin Consumers, Voter Lists, Political Donors, Republican & Democrat Email Lists, Nurses, and Medical Practitioners Real Estate & Property Data: Homeowner & Recent Home Buyers Lists, Absentee & Vacant Homeowners, Solar & Roofing Prospects, Property Owner & Home Sell Score Predictions Data Appends & Enrichment Cell & Phone Append , Email & Reverse Email/Hash Matching, Demographic & DOB Append, Reverse Phone & IP

1 Rating

Starting Price: $0.03 per data append

View Provider

Kaspr

Find your prospects' contact information in seconds. Kaspr is the growth hacking tool that allows you to retrieve the emails and phone numbers of your prospects, extract them and add them to your CRM. Boost your sales and focus on the essentials rather than on finding information! Enrich your leads directly from LinkedIn. The LinkedIn integration gives you access to all your prospects' contact information directly from their LinkedIn profiles. You can then save these details on your CRM or dashboard. Kaspr provides you with all the information you need to contact your prospect in just one click! Export the contacts you found directly to your CRM! Kaspr is integrated with Hubspot, SalesForce and PipeDrive. Are you using another CRM? No problem, you can export the contacts as a CSV file and reintegrate it on your tool. Kaspr offers you to automatically enrich the leads found on LinkedIn or SalesNavigator. Simply filter your search.

1 Rating

Starting Price: 30€ per user, per month

View Provider

6sense

6sense Revenue AI™ eliminates guesswork and arms your revenue team with the data and visibility it needs to create and convert high-quality pipeline into revenue. 6sense Revenue AI™ drives predictable revenue growth by eliminating the expensive, time-consuming guesswork that’s plagued B2B revenue teams for decades. Make the most of every digital investment. Illuminate hidden buyer behavior. Analyze millions of data points to surface in-market accounts. Drive the right action at the right time — across every channel. Lots of companies want what you offer, but your martech systems can’t accurately detect buyer interest. This crucial, dormant data hides in what we call the Dark Funnel™. 6sense illuminates and analyzes these insights. Automate prospect follow up with AI-powered conversational emails. With AI-powered 6sense ® Conversational Email, sales and marketers can craft personalized emails at scale that qualify and convert accounts into sales meetings.

1 Rating

View Provider

Trafera.io

Trafera.io helps GTM teams generate more qualified pipeline by identifying high-intent visitors and revealing the real people behind anonymous traffic. The platform enriches every touchpoint with AI-powered intelligence, giving you precise contact details, behavioral insights, and predictive scoring in real time. It seamlessly syncs with your CRM and sales tools, ensuring hot leads enter your funnel instantly with zero manual effort. Trafera.io goes beyond account-level data by pinpointing individual decision makers—unlocking person-level targeting across your entire ecosystem. With calibrated integrations and automated workflows, teams can activate insights, launch tailored campaigns, and convert interest into revenue faster. Built for modern revenue teams, Trafera.io transforms fragmented signals into a coordinated, high-intent growth engine.

1 Rating

Starting Price: $9

View Provider

Reply

Reply.io helps sales teams book more meetings and close deals faster with AI-powered, multichannel outreach. It is your all-in-one sales engagement platform that automates outreach, finds leads, and turns them into booked meetings. Reply’s built for sales teams, founders, and agencies who want to grow their pipeline without the manual grind. Just plug in your strategy → Reply handles the rest. Key features: - AI SDR that works for you; - Built-in B2B database; - Multichannel outreach; - Findy Chrome Extension; - AI-powered personalization; - Email Deliverability Suite. What makes Reply different: - Your own AI SDR that doesn’t just automate, It actually learns your product and adapts your outreach. - Whitelabel available. Perfect for agencies that want to offer a branded solution. - Agency Growth Hub. Purpose-built tools for lead gen agencies: dashboard, API, client management, bulk actions.

Starting Price: $49/user/month

View Provider

Lusha

Lusha helps business professionals establish a fast and true connection with their leads, contacts, and candidates. B2B engagement is based on trust. Lusha helps you build that trust using simple tools which allow you to enrich and verify business profiles. Today, over 800,000 sales representatives, recruitment managers, and marketers transform the way they engage with their leads, contacts, and candidates by using Lusha on a daily basis. Our customers range from small and medium businesses to enterprises including Google, Amazon, and Apple, to name but a few. Use our razor-sharp filters to get your list of 1,000 prospects in one go. Easily build your lists with accurate and actionable data on each single prospect. In one click, export lists to your CRM and put your workflows on autopilot. Install Lusha on your browser to get instant contact and company data on all the people you want to reach, right where you work: LinkedIn, Salesforce, or any company website.

Starting Price: $0

View Provider

Clodura

Clodura System Pvt Ltd

Clodura.AI is an integrated sales prospecting and sales engagement platform to help sales teams in finding decision-makers, get real-time sales intelligence, send outreach campaigns, and book meetings, faster. We understand how frustrating and time-consuming it could be to navigate through company switchboards. Get access to more than 180 million verified B2B contacts and 19 million direct dials with actionable sales intelligence and automated sales sequence. Comprehensive data of 15M+ Companies, 180M + Contacts + Emails, 95% Accuracy on Emails, 19M+ Direct Dials, Tech Stack Install Base of 15,000 products. Real-time Intelligence with over 25 customizable buying signal alerts, for opportunities recommendations on Target Universe, Access to Attendees for various conferences. Automated Sales Email Cadence to generate more touch points & book more meetings.

Starting Price: $99 per month

View Provider

LeadIQ

Helping sales reps win. LeadIQ makes prospecting easy, fast and most of all... fun! Our mission at LeadIQ is to empower sales teams to prospect smarter. Build lead lists in minutes, not days. Ditch the old database and research prospects first to build a more meaningful connection and close more deals. Our flagship product, the LeadIQ Chrome Extension makes prospecting outside the CRM super easy, while eliminating data entry for reps. Research your prospects, get up to date contact data, and push it into your favorite sales tools. Built for developers, access one of the world's largest B2B datasets of prospects via our business intelligence API. Add contact data, company info and social media info into any technology with a few lines of code. An entrepreneur's best friend. Use Scout if you work in sales, run your own startup, or are trying to reach out to anyone. Our free extension gives you access to millions of people's email addresses as you browse company websites.

Starting Price: $45 per user per month

View Provider

EasyLeadz

SponsifyMe Technologies

Instantly find direct contact numbers of professionals while browsing their Social Media Profiles. Install the Chrome Extension with one click. Browse any profile on Social media to get the direct contact number. It’s challenging to find Direct Mobile number of prospects. This chrome extension makes it a one click job. Try the tool with 5 free contacts. Wan’t more? Upgrade to a paid plan with 100% accuracy assurance. Find phone numbers is no longer a challenge. Try the EasyLeadz Chrome Extension. We offer 100% accuracy assurance on our contacts. We work with top payment companies which guarantees your safety and security. All billing information is stored on our payment processing partner which has the most stringent level of certification available in the payments industry. We are the only tool that provides 100% accuracy assurance* on our contact data and you pay only for the 100% valid data.

Starting Price: $27.50 per month

View Provider

LeadCandy

Hachi Labs

Lead Generation and Sales Intelligence solution for B2B Sales and Marketing teams. - Find new prospects - Get full profile information with verified emails - Use your network to reach more prospects - Gain access to more accounts through team network - Enrich your marketing data - 95% email accuracy guarantee Search for prospects, get full profile information with verified email address and mutual contacts. Turn cold outreach into warm introductions by reaching out to your prospects through your team’s network relationships - across various professional and social networks. Convert any data point into rich profile information, to run highly targeted and personalized marketing campaigns. Kickstart your lead generation with curated lists of decision makers - Founders, CEOs, CxOs, VPs, Directors at fast-growing companies. Our Email Concierge Service will build custom lead list per your exact requirements.

Starting Price: $49.00/month/user

View Provider

DeepSales

DeepSales, a global leader in lead generation and sales intelligence, is uniquely positioned to transform B2B selling through the power deep learning. At DeepSales, we envision a world where every business can maximize its sales potential through intelligent data-driven insights. We strive to be at the forefront of sales innovation, providing tools that allow for more time selling and less time sifting through data. We offer a suite of solutions that redefine efficiency in sales processes. By automating the laborious task of data collection and curation, we enable sales professionals to focus on what they do best, selling. Our real-time recommendations of likely buyers are not just data points, but pathways to meaningful engagements and successful deals

Starting Price: Free $0 Monthly

View Provider

Prospectoo

Supercharge your prospecting efforts with the most accurate B2B data. Export verified phone numbers along with real-time lead data from LinkedIn Sales Navigator into a CSV in minutes. Minimize bounce rates and amplify your email campaigns with ease. Elevate your email marketing efforts with confidence in every send. Step into a realm of enriched data for increased conversions, featuring verified emails, AI-powered personalized email messaging, compelling calling scripts, and LinkedIn connection messages. Transform your outreach with accuracy and a personal touch. Discover comprehensive details about potential leads, including names, roles, companies, locations, emails, and LinkedIn profiles. Enhance your prospecting and generate more leads than ever before. Elevate your B2B marketing efforts with our comprehensive account list. Gain access to essential details such as company names, employee counts, and LinkedIn URLs. Utilize this rich data to tailor your marketing approach.

Starting Price: $49 per month

View Provider

Salesfully

Effective tools to help you find the right audience for your products and services. With over 200 million sales leads, our vast database of consumer (B2C) and business (B2B) data makes it easy for any sales and marketing professional to find and export a comprehensive list of qualified prospects. Our unique platform provides you with all the tools you need to seamlessly build a custom list of business or consumer prospects based on the specific needs of your business Access a whole host of tools to help you get your direct mail, online, or email campaign in front of a targeted audience. Export your leads to use as you see fit. Great for telemarketing, mailers, and more. Salesfully is a web-based software platform designed to provide you with the tools and data need acquire new customers. Salesfully is a subscription lead generation platform that allows you to search and download unlimited consumer and business sales leads for one flat monthly rate.

Starting Price: $29 per month

View Provider

SMARTe

You move faster when you have everything you need. SMARTe has accurate emails and mobiles, quick integrations, and global coverage. We have done the research work for you. Effortlessly find all the contact data you need add it to your CRM in just a few clicks and start prospecting. More time less frustration. 70% of mobile numbers are available in NA and 50% across EMEA, APAC & LATAM to make cold calling a breeze. Bypass gatekeepers and IVRs, connect on texts to have more conversations and less dialing. Build accurate lists with advanced search filters like company size, revenue, SIC, and more with accurate contact data including emails to qualify and target ideal prospects. Scale and tap into accounts with highly accurate & globally compliant data. Build prospect lists using our advanced filters. Find accurate and actionable data on your prospects to hit your quota faster. Reveal contact and company information in just a few clicks without leaving your browser tab.

Starting Price: $25 per month

View Provider

SuperAGI SuperSales

SuperAGI

SuperSales is all in one AI Sales Platform to grow your revenue, without the hassle of hiring large sales team. SuperSales agents plan & prioritize your sales activity, research & engage with your prospects, monitor the health of deals, update your CRM, etc. Consolidate all your fragmented GTM tech stack across categories like lead data, sales engagement, dialer, meeting bookings, CRM, etc. with one powerful platform. SuperSales enables your sales reps and AI agents to collaboratively drive sales engagement, building qualified pipeline that converts to revenue. Living lead database of more than 275+ million contacts and 75+ million companies continuously collected, curated, updated, and verified by AI agents. SuperSales reimagines CRM for an AI-native world by unifying system of record & system of action powered by AI agents for your customer data.

Starting Price: $75/month

View Provider

Best B2B Data Providers for Startups

Compare the Top B2B Data Providers for Startups as of March 2026

What are B2B Data Providers for Startups?

D&B Hoovers

GrowMeOrganic

RocketReach

ReachStream

BookYourData

People Data Labs

DealSignal

UpLead

Seamless.AI

Apollo

Clearbit

Lead411

Adapt

ContactOut

MassContacts

Datazapp

Kaspr

6sense

Trafera.io

Reply

Lusha

Clodura

LeadIQ

EasyLeadz

LeadCandy

DeepSales

Prospectoo

Salesfully

SMARTe

SuperAGI SuperSales

Best B2B Data Providers for Startups

Compare the Top B2B Data Providers for Startups as of March 2026

What are B2B Data Providers for Startups?

D&B Hoovers

GrowMeOrganic

RocketReach

ReachStream

BookYourData

People Data Labs

DealSignal

UpLead

Seamless.AI

Apollo

Clearbit

Lead411

Adapt

ContactOut

MassContacts

Datazapp

Kaspr

6sense

Trafera.io

Reply

Lusha

Clodura

LeadIQ

EasyLeadz

LeadCandy

DeepSales

Prospectoo

Salesfully

SMARTe

SuperAGI SuperSales

Related Categories