Verify B2B Leads in two minutes
B2B lead lists are diluted by personal-email signups, mistyped company names and the occasional bot — and each one wastes sales effort on a contact that isn't really a business. Verifying email, resolving the company, and validating the phone turns a noisy lead list into qualified, reachable accounts.
What's hiding in your list
Free-email signups (gmail, outlook) blur the line between a real business lead and a tire-kicker, inflating your qualified-lead count.
Mistyped or fake company names break enrichment and routing, so leads land with the wrong owner or no firmographic data at all.
Aggregated B2B lists carry stale direct-dials and role addresses that pass a format check but never reach a decision-maker.
Email and phone — cleaned in one pass
Verify in one pass
Every email checked for deliverability and every phone validated — in a single upload.
Catch what others miss
Typos, catch-all domains, disposable addresses, dead numbers and silent duplicates.
Flat, simple pricing
Qualify and verify leads down to real companies. No per-credit math, no surprise overage bills.
Clean leads in three steps
No setup, no integrations, no learning curve. Upload a file, download a better one.
Upload your CSV
Drag in any contact list. We auto-detect email, phone, name and company columns.
We verify everything
Every email checked for deliverability, every phone validated, duplicates flagged — with a live quality score.
Download clean leads
Export a verified, deduplicated list your team can actually call and email.
Email and phone, cleaned in a single upload — see exactly how many bad contacts are hiding in your list before you pay a cent.
100 free verifications · no credit card · results in under 2 minutes
Frequently asked
How does BounceBlock qualify B2B leads?
It verifies the email, resolves the company name to a real domain, adds firmographic context, and validates the phone — so you keep leads that are real, reachable businesses.
Can it flag free-email B2B signups?
Yes — personal-domain signups are flagged so you can route them for extra qualification rather than straight to sales.
Does this reduce wasted sales time?
Considerably — reps work verified accounts with valid contact details instead of chasing fakes and dead numbers.
Stop wasting hours on dead leads.
Upload your list and see how clean it really is — free, in under two minutes.