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Prospect Sonar vs ClientFinch

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Prospect Sonar compared with ClientFinch
DetailProspect Sonar logo Prospect SonarClientFinch logo ClientFinch
What it doesFind verified B2B prospects in minutes using ethically sourced business data UK website opportunity discovery for agencies
StageNot given Not given
FoundedNot given Not given
Based inNot given GB
Pricing modelFreemium Freemium
PricingFree tier with 25 credits/month; Starter $49/mo (250 credits); Growth $149/mo (1,000 credits); Pro $399/mo (5,000 credits). Annual plans save 20%. One credit unlocks one verified email, phone, or business intelligence record. Free: £0 with five distinct company detail views per UTC day. Pro: £49 per month with unlimited company detail views and CSV export.
Key features
  • Advanced search filters by 50+ data points including tech stack and employee count
  • Real-time email verification ensuring 95%+ deliverability
  • Data freshness guarantee with records no older than 6 months
  • List building and prospect organization
  • CSV and CRM export to Salesforce, HubSpot, Pipedrive
  • API access to build custom tools or enrich databases
  • Free search, filtering, and preview before unlocking prospects
  • Email Hunter tool to find emails intelligently
  • Company Lookup for deep company insights
  • ROI Calculator to measure performance
  • Automated analysis of 1,000 new websites daily
  • Verified Websites matching using Companies House data
  • Save prospects with private notes
  • Search by category, severity, company name and location
  • CSV export of saved leads and search results (Pro only)
  • Access to company context and incorporation dates
What makes it different
  • Ethical data sourcing from public registries only, never scraping private social media
  • Credit-based pay-as-you-go model with no long-term contracts or hidden fees
  • 30-day verification cycle ensuring data freshness with last-verified timestamps
  • GDPR and CCPA compliant with easy opt-out mechanism for data removal
  • Transparent sourcing and no sale of user search history or data
  • Evidence-backed findings with quoted sources and affected page URLs
  • Does not send cold outreach or guarantee leads
  • AI-assisted explanations of technical findings
  • Research guides for interpreting findings and outreach compliance
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)3 no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)30
Citation Flow (Majestic)90
Referring domains (Majestic)130

5 details filled in for both companies.

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