Grata vs Seamless.AI: They're Not Competitors (Here's What You Actually Need)
Every "vs" article pretends these two tools are in the same ring. They're not. G2 categorizes Grata under Deal Sourcing - alongside SourceScrub and PitchBook - while Seamless.AI sits in the Sales Intelligence category. One helps PE associates find acquisition targets. The other helps SDRs find phone numbers.
Comparing them is like comparing Bloomberg Terminal to Outreach: both involve "data," but the workflows, buyers, and budgets couldn't be more different. So why does this comparison keep coming up? Because someone on a deal team evaluated both in the same afternoon. We've seen this pattern dozens of times. Let's make sure you pick the right one.
30-Second Verdict
Use Grata if you're in PE, IB, or corp dev and need to source private company deals, map markets, and manage an M&A pipeline. Budget: $15K-$60K/year.

Use Seamless.AI if you're running high-volume outbound sales and need email/phone lookups at scale. Budget: free to ~$300/user/month.
Here's our honest take: if your actual need is verified contact data for outbound sequences, neither tool is the best answer. Grata barely does contacts. Seamless.AI does contacts with frustrating accuracy gaps. Prospeo covers 300M+ profiles with 98% email accuracy at roughly $0.01 per lead - free tier included, no contracts.
Feature Comparison at a Glance
| Grata | Seamless.AI | Prospeo | |
|---|---|---|---|
| Category | Deal sourcing (PE/IB) | Sales intelligence | B2B contact data |
| Database | 21M+ private companies | 1.7B+ contacts | 300M+ profiles |
| Pricing | ~$15K-$60K/yr | $0-$149+/user/mo | ~$0.01/lead, free tier |
| G2 Rating | 4.8/5 (79 reviews) | 4.4/5 (5,319 reviews) | - |
| Contact Data | 99% accuracy (vendor claim) | ~85% email (user benchmark) | 98% verified email |
| Best For | M&A pipeline mgmt | SDR prospecting | Verified outbound data |
| CRM Integrations | SF, DealCloud, HubSpot | SF, HubSpot | SF, HubSpot, Lemlist+ |
What Is Grata?
Grata is an AI-powered private markets platform built for investment professionals - a search engine designed to uncover hard-to-find private companies. VentureBeat has covered Grata's focus on the "hidden middle": private companies with $10M-$150M in revenue that slip through traditional databases entirely.

The standout feature is Agentic Search. Type a plain-language investment thesis - something like "compliance software vendors serving regulated utilities under $150M revenue" - and Grata returns relevant private companies from its database of 21M+ firms. From there, you can track targets in a pipeline, sync to Salesforce or DealCloud, and use the Conferences module to see which events your targets attend. Grata claims its users are first to the deal 70% of the time, which is a bold stat we haven't seen independently verified but speaks to the platform's positioning.
Pricing starts at roughly $15,000/year, with multi-seat deployments typically running $20K-$60K/year on annual contracts. G2 users rate it 4.8/5 across 79 reviews, praising search functionality (26 mentions) and customer support (18 mentions). The top complaints: data inaccuracy (18 mentions) and limited contact coverage for smaller companies. SourceScrub is the most commonly cited alternative.

Grata won't give you contact data. Seamless.AI will - but 15% of those emails bounce and burn your credits anyway. Prospeo delivers 98% verified emails across 300M+ profiles at $0.01/lead, with a 7-day refresh cycle so you're never working stale data.
Get the contact layer both tools are missing - free to start.
What Is Seamless.AI?
Seamless.AI is a credit-based sales intelligence platform with 1.7B+ contacts and 150M company profiles. It's built for SDR teams who need email addresses and phone numbers fast - search, click, export, sequence. The Chrome extension lets reps pull contact data mid-browse without leaving their workflow.

Look, the vendor claims 98% accuracy, but a common benchmark from actual users lands closer to ~85% for emails and ~60% for phones. On G2, "Inaccurate Data" has 410 mentions, "Outdated Contacts" has 295, and "Expensive" has 222. That's not a handful of unhappy users. That's a pattern across 5,319 reviews.

Pricing runs from free (50 lifetime credits) to ~$147/month for Basic (250 monthly credits), with Pro at $79-$299/user/month and Enterprise at $149+/user/month with a 5-user minimum. Credits don't roll over, and they burn whether the data's accurate or not - which is the part that really stings. Add-ons for intent, automation, and enrichment can inflate costs 40-60% beyond the base license. Auto-renewals and cancellation friction (often 30-60 days written notice) are common complaints in third-party breakdowns. The consensus on r/sales is that Apollo is the most frequently recommended alternative.
When to Choose Which
Choose Grata if you:
- Work in PE, IB, growth equity, or corporate development
- Need to source and evaluate private company acquisition targets
- Want M&A pipeline management with CRM sync to DealCloud or Salesforce
- Have budget for $15K+/year and care about company-level data over individual contacts

Choose Seamless.AI if you:
- Run high-volume outbound and need email/phone lookups at scale
- Want a Chrome extension for quick contact pulls during prospecting
- Can tolerate ~85% email accuracy and credit burn on bad data
Skip Seamless.AI if your domain reputation matters and you can't afford bounces above 3-4%. The credit-burn-on-bad-data model gets expensive fast when you're paying for contacts that never land.
In our experience, the real gap shows up when teams need both: company intelligence for targeting and verified contact data for outreach. Picture a PE associate who uses Grata to identify 50 compliance software targets, then needs accurate CFO emails to start conversations. Neither tool covers that full workflow alone.
If You Need Verified Contact Data
If your actual problem is "I need accurate emails and direct dials to reach decision-makers," neither Grata nor Seamless.AI is the right tool. Grata is company-first, and contact coverage is a known limitation - especially for smaller companies. Seamless.AI has the contacts, but the accuracy gaps and credit burn create real waste.

Prospeo fills this gap: 300M+ professional profiles, 98% email accuracy, 125M+ verified mobile numbers, and a 7-day data refresh cycle while the industry average sits at 6 weeks. You're paying roughly $0.01 per lead with a free tier of 75 emails and 100 Chrome extension credits per month. No annual contracts, no credit burn on invalid data, no 30-day cancellation hoops. For outbound teams that need the contact layer without the overhead, it's the straightforward pick. If you're comparing options, see our deeper breakdown of verified B2B contact data and sales prospecting databases.


If you're using Grata to source 50 targets and then scrambling for CFO emails, you need a verified contact layer. Prospeo gives you 300M+ profiles, 125M+ verified mobiles, and 98% email accuracy - no annual contracts, no credit burn on bad data.
Stop paying for emails that bounce. Only pay for verified contacts.
FAQ
Are Grata and Seamless.AI competitors?
No. Grata is a deal-sourcing platform for PE/IB teams - G2 categorizes it alongside SourceScrub and PitchBook. Seamless.AI is a sales intelligence tool for SDR teams running outbound. Different software categories, different buyers, different budgets. The only overlap is that both involve "B2B data."
How much does Grata cost compared to Seamless.AI?
Grata starts at $15K/year with annual contracts, and multi-seat PE deployments typically run $20K-$60K/year. Seamless.AI ranges from free (50 credits) to $149+/user/month for Enterprise. Grata is a fixed annual investment; Seamless.AI is credit-based and can escalate quickly with add-ons and extra credit packs.
What's the best tool for verified B2B contact data?
For teams that need reliable outbound contact data without PE-level pricing or Seamless.AI's accuracy issues, Prospeo is the strongest option. It delivers 98% email accuracy across 300M+ profiles at roughly $0.01 per lead with a 7-day data refresh. Free tier available, no contracts, no credit burn on bad data.
