Lead411 vs Leadspace

Lead411 is a B2B contact data and prospecting service with direct-dial data, buyer intent data, technographic filters, and API access. Its Chrome Extension is for browsing LinkedIn and other company websites, and the service integrates with Salesforce, HubSpot, Pipedrive, Outreach.io, and other platforms. Lead411 says its contact data process combines machine learning, human verification, and real-time email validation; it claims 96%+ email deliverability accuracy and a 97% average for optimized verified emails. Direct dials receive human verification and location matching. Most plans offer unlimited lead searches and exports, though some have monthly or yearly limits; unused exports roll over to the next billing cycle. The Pilot plan provides 50 free exports during a 7-day trial. Paid plans start at 49 USD per month. Monthly plans can be canceled at any time; annual-plan options require contacting support. Lead411 says it was founded in 2001 and is headquartered in Boulder, Colorado. It also states that it is a registered data broker under applicable state laws, including Texas law.

Leadspace provides real-time B2B data intelligence to help organizations identify buyers, prioritize opportunities, and execute go-to-market strategies. It combines CRM, marketing automation, product data, or data lakes with more than 30 embedded third-party B2B data sources. The platform creates unified company and contact profiles that can include buying centers, technographics, intent, and firmographics. AI captures firmographic, technographic, behavioral, and intent signals, then uses models to score fit and intent and prioritize leads. Enriched intelligence can be sent to CRMs, marketing automation platforms, data warehouses, ad platforms, and other go-to-market tools; named destinations include Salesforce, Marketo, HubSpot, Eloqua, Snowflake, and BigQuery. Leadspace is available through web, API, and extension access, with real-time profiles, identity resolution, audience activation, and data ingestion. Its listed security measures include encrypted storage and transfer, role-based access control, multi-layer authentication, and continuous vulnerability monitoring. Leadspace states compliance coverage for GDPR, CCPA, and SOC 2 Type II. Starter is free and includes one seat, 25 credits per day, and 100 exports per month. Solo costs $49 a month and Pro $89 a month, both billed annually, with one seat each. Enterprise pricing is custom.