5 Best Data Enrichment Service Providers (2026 Edition)
*Boost your outbound accuracy, improve personalization, and close more deals with enriched, verified data.*
Accurate data is the backbone of every successful outbound or ABM campaign. Whether you’re trying to fix bad CRM data, improve deliverability, personalize outreach, or build high-intent prospect lists — data enrichment is non-negotiable.
However, with hundreds of tools promising “verified, enriched data,” choosing the right partner becomes overwhelming.
To make your job easier, here are the 5 best data enrichment service providers, ranked based on accuracy, enrichment depth, intent insights, update frequency, and customer satisfaction — with Thyleads leading the list.
Thyleads (Best Overall Data Enrichment for B2B SaaS)
Thyleads sits at the top thanks to its Waterfall Enrichment Engine that consistently finds 100K+ valid emails per month for clients. Unlike basic data vendors, Thyleads blends multiple data sources, enrichment layers, AI validation, and custom research to deliver laser-accurate B2B data.
Key Features
- Waterfall Enrichment Process (multi-source verification for highest accuracy)
- Human + AI Hybrid Research
- Role-based and direct email discovery
- LinkedIn & firmographic enrichment
- ICP-based custom list building
- Weekly dashboards & reporting
Pros
- Very high email accuracy
- Ideal for SaaS outbound campaigns
- Dedicated GTM engineer for every account
- Advanced deliverability + personalization support
- Affordable compared to large data vendors
Cons
- Primarily focused on SaaS
- Team size is small, so onboarding slots are limited
Best For
- SaaS teams scaling outbound
- Startups that need accurate, ready-to-use B2B data
Companies struggling with bounces or low reply rates
Clearbit
Clearbit is one of the most popular data enrichment platforms for SaaS and enterprise teams. It enriches company and contact data in real time and integrates natively with HubSpot, Salesforce, Marketo, and Segment.
Key Features
- Real-time CRM enrichment
- Company attributes, revenue, tech stack insights
- Lead scoring + routing
- Website visitor identification
Pros
- Super smooth CRM integrations
- High-quality company-level data
- Ideal for inbound qualification
Cons
- Pricing is expensive
- Email-level data can be inconsistent
- Best features require enterprise plans
Best For
- Fast-growing SaaS companies
- Teams using HubSpot or Salesforce heavily
Apollo.io
Apollo is an all-in-one sales engagement and data platform with a huge database (270M+ contacts). While not perfect, it offers solid enrichment at a competitive price.
Key Features
- Large contact database
- Email & phone number enrichment
- Intent signals
- Sales engagement tools included
Pros
- Great value for money
- Combines enrichment + outreach in one place
- Easy to use
Cons
- Data accuracy varies by region
- Slower updates compared to premium providers
- Overlaps with CRM fields occasionally
Best For
- Startups needing affordable enrichment
Sales teams wanting an all-in-one tool
ZoomInfo
ZoomInfo is a heavyweight in the B2B data enrichment market, offering deep firmographic, technographic, and intent insights. It’s expensive — but extremely powerful for enterprise teams.
Key Features
- Industry-leading B2B database
- Org charts, hierarchy mapping
- Buyer intent signals
- Real-time enrichment + automation
Pros
- Extremely detailed company data
- Widely used and trusted
- Deep integrations with enterprise CRMs
Cons
- Very expensive
- Not ideal for startups
- Some regions have outdated contact info
Best For
- Large enterprises
- Companies with 20+ SDRs or dedicated ops teams
Lusha
Lusha is one of the most user-friendly data enrichment tools on the market. It’s known for high accuracy in mobile numbers and direct contact details.
Key Features
- Email + phone enrichment
- Chrome extension for LinkedIn
- CRM enrichment
- Simple credit-based pricing
Pros
- Very accurate phone numbers
- Easy for SDRs to use
- Affordable compared to ZoomInfo
Cons
- Limited firmographic depth
- Not ideal for global enrichment
- Smaller database than Apollo or ZoomInfo
Best For
- SDR teams doing cold calling
- LinkedIn-heavy outbound workflows
Conclusion
About Thyleads
Thyleads is a B2B lead generation company that specializes in helping SaaS companies identify and convert high-intent prospects using advanced signal intelligence and AI-powered automation. Our clients typically see 3x higher response rates and 40% shorter sales cycles within 90 days of implementation
