Klarity by DemandScience vs. UpLead

DemandScience Audience Builder empowers B2B marketers with smarter data to define, refine, and activate target accounts with precision. Built on a verified global first-party data ecosystem of 247M+ contacts and 26M+ companies, it integrates firmographics, technographics, and intent signals so users can move beyond outdated static lists and build dynamic audiences that align with real buyer behavior. With this intelligence at your fingertips, Audience Builder helps you prioritize accounts showing real interest and engage them with the right message at the right time.

UpLead is a B2B data provider with real-time verified emails, mobile numbers and intent data. Get access to millions of up-to-date contacts that are easy to find and import into your CRM. Use 50+ search filters like intent data to find in-market buyers who will be your next best customers. Integrate with Salesforce, HubSpot, other leading CRMs and Zapier to automate your workflow. UpLead is trusted by 4,000+ customers and is one-third the cost vs leading sales intelligence platforms. It has consistently been rated #1 by G2 for being Easiest to Use and having the Best ROI.