Look, I’ve used Seamless.ai for a while. It works, but it’s kinda intense. Salesy UI, data’s hit or miss, and the upselling? Brutal. If you’re like me and want something cleaner, faster, or just less annoying, here are my fav Seamless.ai alternatives for 2025.

Let’s get straight to it — no fluff.

1. ZoomInfo – The Enterprise Beast

ZoomInfo is the godfather of B2B leads. It’s stupidly expensive, yeah, but if you’re doing enterprise sales or managing a big outbound team, this is your Ferrari.

What it does best:

• Massive contact + company data
• Intent signals + technographics
• Deep integrations (Salesforce, Outreach, etc.)

What I liked:

• Super detailed filters
• Reliable data
• Great for ABM

What I hated:

• The price 😬
• Contracts are long and annoying
• UI can be bloated

Price: Starts around $15k+/year

Verdict: If you’re serious about lead generation at scale and budget’s not an issue, ZoomInfo is a monster.

2. RocketReach – Fast, Clean, No BS

RocketReach has a way lighter vibe than Seamless. The UI is super clean, and the hit rate on emails is surprisingly solid.

Best for:

• Quick prospect lookups
• Enriching leads
• Small sales teams or freelancers

Liked:

• Simple Chrome extension
• Clean UX
• Accurate verified emails

Didn’t like:

• Weak phone number data
• Not super deep filtering

Pricing: Free trial, paid starts ~$49/mo

Verdict: Great if you’re hunting verified emails fast without the bloat of traditional lead generation software.

3. Kaspr – Built for LinkedIn Lovers

Kaspr is a LinkedIn-first B2B lead tool that’s super slick. You browse profiles, click the plugin, and boom — email + phone data.

What stood out:

• Best LinkedIn integration I’ve seen
• Bulk export + CRM sync
• Real-time enrichment

What I liked:

• Easy to use
• Phone numbers were shockingly good
• No long contracts

What I didn’t love:

• Only works if you’re heavy on LinkedIn
• Limited filters

Pricing: Starts at ~€49/mo

Verdict: If LinkedIn is your main hunting ground, Kaspr’s way smoother than Seamless.

4. LeadIQ – Contact Data + Sequences

LeadIQ kinda bridges the gap between a B2B leads database provider and a sales engagement platform. Good for reps who wanna enrich + reach out fast.

Features I used:

• Chrome extension
• Contact enrichment
• Email sequencing

Pros:

• Easy to grab + push to Salesforce
• Works great in prospecting workflows
• Enriches while you browse

Cons:

• Phone data was meh
• Credit system’s confusing

Pricing: Starts ~$75/mo

Verdict: Killer for outbound reps who want to build + message prospects without bouncing between 5 tabs.

5. Apollo.io – My Actual Daily Driver

Okay, real talk — Apollo is what I actually use every day now. It’s hands-down the best Seamless.ai alternative in terms of value, features, and data quality.

Why I love it:

• Huge database (260M+ contacts)
• Clean UI
• Built-in email outreach + sequencing
• Killer filters (job changes, tech stack, intent, etc.)

What’s great:

• Lead scoring + enrichment
• Works like a lightweight CRM
• Actually affordable

What’s meh:

• Some bounces on smaller accounts
• Could use more mobile numbers

Pricing: Free plan available, paid starts at ~$49/mo

Verdict: Best combo of lead generation tool, CRM-lite, and email outreach. If you want one platform to run your outbound, this is it.

6. SalesIntel – Intent + Human-Verified Data

SalesIntel’s whole thing is accuracy. They manually verify contacts, which gives it an edge over a lot of sketchy databases out there.

What I dug:

• Human-verified contacts
• Intent data (powered by Bombora)
• Direct dials are actually legit

What was mid:

• UI’s a little clunky
• Takes a bit to get used to

Pricing: Mid/high-tier — starts around $99/mo

Verdict: Solid Seamless.ai alternative if you’re tired of bounces and want verified, U.S.-focused B2B contact data.

7. LeadSwift – Scraper for Local Biz Leads

LeadSwift is super niche — built for grabbing local business leads (think roofers, plumbers, realtors). It scrapes data from Google Maps, Yelp, and more.

Features:

• GMB data scraper
• Local lead lists
• Auto-outreach options

What’s cool:

• Lifetime pricing
• Great for agency owners
• Finds under-the-radar leads

What’s not:

• Not built for SaaS/tech
• UI feels old-school

Pricing: One-time ~$67

Verdict: Killer if you do local marketing or run a lead gen agency. Not for B2B SaaS though.

8. LeadScrape – Basic but Gets It Done

LeadScrape is kinda like the no-frills Craigslist of lead tools. It’s a downloadable tool that pulls business contact info from directories.

What I used:

• SIC/NAICS-based scraping
• Bulk exports
• Industry + geo filters

Liked:

• Super simple
• One-time purchase
• Fast if you know what you’re doing

Didn’t like:

• UI’s rough
• Not cloud-based
• No real-time validation

Pricing: ~$97 one-time

Verdict: Good for scrappy marketers who just need raw data — not ideal for scaling outbound.

9. Skrapp – Solid Email Finder for LinkedIn

Skrapp is super lightweight — a clean email finder tool built mostly for LinkedIn prospecting.

Key features:

• LinkedIn email finder
• Domain search
• Chrome extension

What I liked:

• Great for cold emailers
• Email validation is solid
• Simple UI

What’s weak:

• No phone numbers
• No outreach tools

Pricing: Free plan available, paid from ~$49/mo

Verdict: Great for SDRs and freelancers doing email-based lead generation without needing a full suite.

10. Snov.io – Jack-of-All-Trades

Snov.io does lead gen + outreach + automation, kind of like Apollo Lite. It’s got email finders, warmup tools, drip campaigns, and CRM bits all baked in.

Best stuff:

• Email finder + verifier
• Email warm-up
• Email sequences + triggers

Loved:

• Great for cold email
• Super affordable
• Chrome extension works well

Didn’t love:

• Phone/email data hit-or-miss
• UI feels busy

Pricing: Free plan, paid from ~$39/mo

Verdict: Perfect if you’re a founder or solopreneur doing all your outreach yourself.

11. GetProspect – Clean, Straightforward Email Finder

GetProspect is another Seamless.ai-style email finder that focuses on simplicity. Nothing flashy, but it gets the job done.

Core tools:

• Chrome extension
• Bulk domain + name search
• LinkedIn integration

What’s great:

• Very user-friendly
• Nice exports + filters
• Affordable

What’s meh:

• Phone numbers rare
• No outreach tools

Pricing: Free plan, paid from ~$49/mo

Verdict: Super solid for building B2B lead lists without all the noise.

12. TaskDrive – Done-For-You Lead Research

TaskDrive is a virtual assistant-style lead generation service — real humans find + qualify leads for you.

Used it for:

• Lead list building
• LinkedIn scraping
• Custom workflows

Liked:

• Outsourced research = saves time
• Great for very specific targeting
• Good support

Didn’t like:

• Not cheap
• Not instant — this isn’t software

Pricing: Starts at ~$499/mo

Verdict: Ideal if you want someone else to do the prospecting for you. Not for solo SDRs or DIYers.

13. LeadFuze – AI Prospecting Bot Vibes

LeadFuze lets you build automated lead lists using its AI assistant (“Fuzebot”). It enriches data, verifies emails, and sends updates as new contacts pop up.

Key perks:

• AI-powered lead generation
• Job + tech filters
• Verified emails

Pros:

• Set it + forget it
• Zapier integration
• Unique data sourcing

Cons:

• UI’s dated
• Email data can be hit-or-miss

Pricing: Starts at ~$147/mo

Verdict: A hands-off lead generation database tool if you like automation over manual searching.

14. Instantly.ai – Cold Email Powerhouse

Instantly isn’t really a data tool — it’s a cold outreach machine. But combine it with Skrapp, Apollo, or GetProspect, and you’ve got a full-stack setup.

What it does best:

• Multibox cold outreach
• Smart warm-up
• Inbox rotation + deliverability boosts

What I love:

• Amazing for high-volume sending
• Easy campaign builder
• Great deliverability tools

Downsides:

• No contact data — BYO leads
• Takes time to ramp

Pricing: Starts ~$37/mo

Verdict: Pair this with a lead tool, and you’re set to scale outbound fast.

15. Brevo – Not Just for Email Marketing Anymore

Formerly Sendinblue, Brevo is more for email marketing than lead generation, but it can still work if you’re running B2B newsletters or nurture sequences.

Cool features:

• Email + SMS
• CRM tools
• Landing pages, chat, automation

What’s nice:

• All-in-one marketing tool
• Great deliverability
• Cheap for startups

What’s not:

• No lead scraping or enrichment
• Not really outbound-focused

Pricing: Free plan, paid starts ~$25/mo

Verdict: Use it if you already have your leads — not if you’re still hunting them.

16. Leadzai – Smart Paid Lead Gen

Leadzai is a lead generation platform that automates paid ads (Google, FB, IG) for B2B. Less “scrape emails,” more “get inbound leads.”

Best for:

• Done-for-you PPC campaigns
• Local businesses + agencies
• Driving traffic to forms

What’s solid:

• Smart campaign suggestions
• All ad platforms in one
• Simple setup

What’s lacking:

• Not useful for cold outbound
• No contact-level scraping

Pricing: Starts at ~$99/mo

Verdict: Not a Seamless.ai clone — but a cool lead generation company if you want warm inbound leads from paid traffic.

17. 6sense – AI-Driven ABM Monster

6sense is a revenue intelligence platform built for big B2B teams. It combines intent data, account tracking, predictive scoring, and deep analytics.

What blew me away:

• Buyer journey tracking
• ABM targeting at scale
• Intent + firmographic layering

Pros:

• Great for enterprise sales teams
• Deep integration with CRMs
• Actually predicts who’s ready to buy

Cons:

• Enterprise pricing
• Not for SMBs or solo users

Pricing: Custom/demo required

Verdict: If you’re into ABM and targeting whales, 6sense is scary powerful.

18. Leadfeeder – B2B Website Visitor Intelligence

Leadfeeder shows you who’s visiting your site (even if they don’t fill out a form) and ties those visits to real companies.

Key features:

• IP tracking
• CRM sync
• Lead scoring + segmentation

What’s great:

• Super easy to use
• Helps identify warm leads
• Auto-sends to sales

What’s weak:

• No individual contact info
• U.S. data better than global

Pricing: Free plan, paid from ~$139/mo

Verdict: Perfect if you’re doing inbound and want to turn lurkers into sales-qualified leads.

19. UpLead – Clean, Verified B2B Leads

UpLead is my go-to when I need accurate B2B contacts fast. It’s super clean, fast, and not bloated like some other tools.

Best features:

• 95%+ verified emails
• Technographic + firmographic filters
• Real-time email validation

What I like:

• Easy to build targeted lists
• Data is actually fresh
• No fluff

What I don’t:

• Smaller database than ZoomInfo
• No phone dialer or outreach tools

Pricing: Free trial, paid starts ~$99/mo

Verdict: Great for SMBs or solo SDRs who want clean data without a full sales stack.

20. Lead411 – Signals + Direct Dials Galore

Lead411 flies under the radar, but it’s a beast for trigger-based B2B lead generation. Think hiring intent, funding rounds, and more.

Key features:

• Sales triggers + intent
• Direct dials
• Chrome extension + integrations

What worked for me:

• Tons of filter options
• Verified phone + email combos
• US-based data is 🔥

What didn’t:

• International data is spotty
• UI feels like 2013

Pricing: Starts ~$99/mo

Verdict: If you like data with context (not just names + emails), this one punches above its weight.

21. Overloop – Cold Outreach Automation with CRM Vibes

Overloop used to be Prospect.io, now it’s a full-on cold outreach CRM. It’s not a data provider per se — you bring your own leads.

What I used it for:

• Multi-step cold email sequences
• LinkedIn tasks
• Built-in CRM-lite

What’s nice:

• Super clean interface
• Smart workflows
• Easy team collab

What’s not:

• Weak on integrations
• No email finder built-in

Pricing: ~$39/user/mo

Verdict: A slick option if you’re running outbound manually and want a light CRM + automation combo.

22. Hunter.io – The OG Email Finder

Hunter is a classic for domain-based email lookup and verification. Still one of the most trusted tools in the game for finding work emails.

Key tools:

• Domain search
• Email verifier
• Chrome extension

Loved:

• Easy to use
• Affordable
• Great for quick contact checks

Didn’t love:

• No phone numbers
• Limited enrichment options

Pricing: Free plan, paid from ~$49/mo

Verdict: Great for basic lead gen and validation. Just don’t expect a full lead generation database.

23. Coldlytics – Outsourced, Custom B2B Lists

Coldlytics isn’t a tool — it’s a done-for-you lead sourcing service. You describe your ICP, and their team delivers ready-to-roll lists.

Key features:

• Custom list building
• Real humans doing the work
• Email verification included

What I liked:

• Great for weird niches
• Data quality is 🔥
• Saves hours of scraping

What I didn’t:

• Turnaround takes time
• Can get pricey with volume

Pricing: ~$50–$200 per list

Verdict: If you’re tired of garbage data, let Coldlytics hand you qualified B2B leads on a silver platter.

24. LeadsGorilla – Local Lead Gen for Agencies

This one’s built for local marketers and agencies. LeadsGorilla scrapes business listings from GMB, Yelp, etc., and gives you lead scores.

Core features:

• Local business scraping
• Lead grading
• Client reports

Pros:

• Lifetime pricing
• Easy to prospect small biz
• Good lead quality scoring

Cons:

• Not for SaaS or enterprise
• UI is kinda clunky

Pricing: ~$47 one-time (plus upsells)

Verdict: A nice lead gen tool if you run Facebook ads or SEO for small businesses.

25. Lusha – Quick Contact Data for Prospecting

Lusha has become a staple for SDRs looking for direct dials + emails off LinkedIn or company websites.

Best stuff:

• Chrome extension
• Real-time enrichment
• Direct dials

What I liked:

• Great LinkedIn integration
• Data is mostly spot-on
• Simple, fast

What’s mid:

• Pricey for what it is
• Credit system is annoying

Pricing: Free plan, paid from ~$39/mo (goes up fast)

Verdict: A lean alternative to Seamless.ai if you’re doing LinkedIn-first prospecting.

26. Clay – AI Meets Lead Enrichment

Clay is a lead-gen nerd’s dream. Think of it like Airtable + Zapier + data enrichment on steroids.

What it does:

• Connects to 50+ data sources (LinkedIn, Apollo, Clearbit, etc.)
• Visual automations
• AI for personalization

What blew me away:

• Fully customizable workflows
• Real-time enrichment
• No-code magic

What’s not beginner-friendly:

• Learning curve
• Needs a clear strategy to work

Pricing: Free plan, paid from ~$149/mo

Verdict: Best lead generation tool if you want full control and deep personalization at scale.

27. Datanyze – Quick LinkedIn Prospecting

Datanyze focuses on pulling contact info directly from LinkedIn. It’s part of ZoomInfo, but simplified and more affordable.

Key features:

• Chrome extension
• Email + phone finder
• Tech stack filters

What I like:

• Dead-simple UI
• Easy to export
• Good enrichment quality

What’s lacking:

• Limited database vs ZoomInfo
• Doesn’t scale well

Pricing: ~$39/mo

Verdict: Clean tool for sales reps who just need verified business contact data fast.

28. Dun & Bradstreet (DNB) – Enterprise-Grade Data

D&B is one of the oldest lead generation companies out there. It’s known for enterprise-grade data on millions of businesses worldwide.

What it does well:

• Company credit profiles
• Enterprise firmographics
• Risk scoring + intent

Pros:

• Massive database
• Highly trusted for compliance
• Great for account-based marketing

Cons:

• Very expensive
• Overkill for SMBs or solo reps

Pricing: Custom/demo required

Verdict: Best for big B2B lead generation teams who need verified company data at scale — not for freelancers or bootstrapped teams.

Final Word: Pick What Fits Your Flow

Alright, that wraps up the full rundown of Seamless.ai alternatives across 28 different tools and platforms. Whether you’re scrappy and solo or part of a big sales org, there’s a better fit out there.

✅ Want verified emails? → Try UpLead, Hunter, or Snov.io
✅ Want done-for-you leads? → Coldlytics, TaskDrive, or Lead411
✅ Need automation? → Clay, Overloop, Instantly
✅ On a budget? → LeadScrape, LeadsGorilla, or GetProspect