Email verification and cleanup for always up-to-date email lists and CRM data

Verify and enrich your entire email list in bulk using a ZeroIn verification feature. Upload, check for invalid emails and enrich the data - all in one tool.

Take it for a spin. Try ZeroIn for free

Why Zeroin Email Verification and Cleanup?




Aligned with GDPR


98% accuracy

Accurate business emails


26 Data Points

On leads and Companies


200 Million

Contacts in our data base

Zeroin bulk email verification

Bulk email verification

Set your email campaigns for a major success and use Zeroin bulk email verification option to see and remove all invalid emails from your lists.

Single email verification

Haven’t heard from the person in a while? Need to check an email fast? Just use a single email verification tool within our light CRM.

Data Enrichment

Get your data CRM import ready! Fill out any missing info about your lead and the company by simply importing the list to ZeroIn and start the email validation. It will automatically enrich any missing data if it is in our database.

Light CMR to store your data

ZeroIn light CRM is the one place to store, update, enrich and validate your contacts. You can store contacts in different folders (Campaigns), easily import and export data with no limitations and perform all Zeroin actions in a single place. It comes with advanced filters so you can get the view you need or export only the data you want.

Take it for a spin. Try ZeroIn for free

Trusted by 5000+ successful salespeople

Manu Delgoffe, Owner at Atequa, Luxembourg

Within a few hours, he had launched a prospecting campaign with a few leads generated by this tool.
It wasn’t great and I was quite dubious but, in the end, he signed a new client on this campaign who will bring us 20 times the investment.
Think about it: if this tool only brings you one customer, it’s easily profitable, isn’t it?

Stewart Townsend, Consultant for – Channel Strategy, UK

Tested out the free trial…tested for one hour and then went BOOM, I have to buy this. So simple, goes to LinkedIn and it gets the users info and the business email. Yep, getting Gmail is great but it’s personal, you want to reach out to them as an employee and not necessarily trough  Linkedin. 

Love it, great, simple, works…

Bruno Persechini, Growth and Marketing Automation, SEInsights, FR

The UI is great and it’s very simple to use. You will have no problem to use it within a few minutes. I had some questions and support was very responsive which is something I value a lot. If you are interested in sales outreach, i suppose you know the hidden cost of bounced emails or inaccurate data – Zeroin is a great “little” tool avoids any fake or incorrect emails. 

Make yourself a favour and don’t miss this deal. 

Adam Ramli, Director Online Sales and Marekting, Hudson Valley Digital Marketing, UK

I got the largest deal and ZeroIn has already paid for itself. I had a client that tasked me to find contacts with specific job titles in the Healhtcare field so initially we looked at buying lists, but if you have ever bought email lists, you know it can be a crapshoot. Regardless, Zeroin works great and it will definitely make you a rock star with your clients.