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Comparison

SIE Data vs Lusha

Lusha is a popular contact enrichment tool with a browser extension. SIE Data is built for teams that need government-verified contacts in regulated industries — with intent signals and compliance baked in.

Feature
Lusha
SIE Data
Data source
Web scraping, community contributed
Federal registries (NPI, FINRA, FMCSA, state boards)
Starting price
$49/mo
$0 (free pilot)
Total contacts
100M+
11M+ (gov-verified)
Data accuracy
Community-verified
Government-verified
Intent signals
No
Surge detection + buying readiness
Auto-buy rules
No
Yes — automated lead delivery
Built-in enrichment
Basic (email + phone)
Multi-source enrichment pipeline
Compliance
Basic GDPR
FCRA firewall + TCF + DROP + provenance
Chrome extension
Yes — LinkedIn overlay
Yes — works on any site
CRM integration
Salesforce, HubSpot
CSV, API, webhook (any CRM)
Government data
No
NPI, FINRA, FMCSA, state boards
Regulated industries
Generic contacts
Purpose-built for healthcare, finance, legal
Intent Type
Inferred from content consumption
Declared intent from actions + consent-verified behavioral data
Built-in Outbound
None — export to external tools
Email, SMS, voice, auto-dialer — 33 channels built in
Consumer Signals
B2B only
167 B2B + 131 consumer — declared intent from both

A note on honesty

Lusha is a solid contact enrichment tool with a great Chrome extension and strong LinkedIn integration. If you need quick email and phone lookups for general B2B prospecting, Lusha works well. SIE Data is a different tool — purpose-built for government-verified contacts in regulated industries, with intent signals and compliance-grade provenance.

Who SIE Data is best for

Sales teams in regulated industries where data accuracy is non-negotiable

Companies that need audit-ready data provenance for compliance reviews

Teams that want automated daily lead delivery instead of manual searching

Organizations selling to licensed professionals (doctors, advisors, contractors)

Companies that need intent signals alongside contact data

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