Bulk Domain Search
Upload a CSV of company domains and find all associated email addresses at once.
Real-world view of the Bulk Domain Search in action
Based on verified reviews
Bulk Domain Search Features
CSV Upload
Upload a CSV file with company domains.
Batch Processing
Process up to 1,000 domains at once.
Verified Results
All emails are verified for deliverability.
Export Results
Download results as CSV or Excel.
How Bulk Domain Search Works
Upload a list of domains and find all emails at scale
Use Bulk Domain Search everywhere
Web app, spreadsheets, REST API, or automation pick what fits your workflow.
Trusted by the best sales teams in the world
See why thousands of sales professionals choose Tomba for bulk operations.
Tomba finding the contacts for the perfect prospects at scale is game changing in helping us promote our data-based research studies.
Tomba.io keeps getting better every day. I've been using it since 2021. It's now a leading solution for email finding, verification, and easily finding mobile numbers.
As a Founder and sales leader, three things matter: cost effective, easy to use, and accurate data. I actively recommend Tomba.
It's the best email finder I've ever used. I tried a lot of products in the past, but Tomba is the best one. Clear docs, solid SDK, and it just works.
Built for serious volume
Process large files fast and reliably. No timeouts, no limits, no hassle.
Lightning Fast
Scan thousands of domains in minutes. Our parallel processing engine handles large lists without slowing down.
Big File Ready
Upload CSV files with up to 100,000 rows. No file size limits, no timeouts, no crashes.
Auto-Retry on Failure
If a domain lookup fails, Tomba retries automatically. You never lose progress on large batch jobs.
99.9% Uptime
Enterprise-grade infrastructure ensures your bulk jobs complete reliably, every single time.
How much will you save with Tomba?
Enter your monthly credit needs and compare real costs across tools.
With Tomba you also get free verification credits on top other tools charge extra for that.
Your savings every month and year
Keep the same monthly volume and switch to Tomba.
vs Hunter
vs BetterContact
vs FullEnrich| Tool | Price/mo | Per 1K credits | Verification | Phone | Accuracy | You save |
|---|---|---|---|---|---|---|
 TombaBest value Total credits (finder + free verification included) | $89 | $8.90 | Included | 99% | ||
Hunter Verification costs 0.5 credits extra | $149 | $14.90 | Extra | 90% | -$60 40% cheaper | |
 Apollo.io Per user, min 3 users, annual only. Extra credits $0.20 each | $445 | $44.50 | Extra | 55% | -$356 80% cheaper | |
 Snov Verification costs 1 credit extra | $199 | $19.90 | Extra | 87% | -$110 55% cheaper | |
 RocketReach Per user. Overages $0.30-$0.45/lookup | $209 | $20.90 | Extra | 82% | -$120 57% cheaper | |
 Lusha Per user. Phone = 5 credits each | $199 | $19.90 | Extra | 83% | -$110 55% cheaper | |
BetterContact Waterfall enrichment. Phone included but costs extra credits | $349 | $34.90 | Extra | 55% | -$260 74% cheaper | |
FullEnrich Waterfall enrichment. Phone available, no verification credits | $449 | $44.90 | Extra | 58% | -$360 80% cheaper |
What's included with Tomba at no extra cost
At 10,000 credits/mo , you save up to $360/mo compared to FullEnrich.
More Valid Emails Than Every Competitor
Real data. Same input. No human touch. Full transparency. We ran a head-to-head test using the same 5,000-line input file across multiple email-finding tools.
Tomba.io
Anymailfinder
Findymail
GetProspect
Skrapp
VoilaNorbert
HunterSnov
ProspeoEnriched from a random file of 5,000 leads. For each provider, only emails labelled as verified or valid were counted.
View raw data spreadsheetTomba.io ranks #1 globally in total valid emails found, with the highest accuracy across both websites and companies.
Start bulk domain search now
Upload your first file for free. 75 free credits no credit card required.