Email lists that don't bounce.
Cold email lists
In simple words: We build email lists from fresh sources, check every address and format the file so it loads straight into your email tool.
Campaign-ready cold email lists: researched, validated, deduplicated and segmented, formatted for Instantly, Lemlist, Apollo or your sending tool.
For example: An agency's last campaign bounced so badly their domain was flagged. The next campaign sent cleanly and protected their domain. See how we did it ↓
The problem
Why teams come to us
High bounce rates hurt your sender reputation, and messy lists take hours to prepare for each campaign.
What you get
- Targeted contacts for your campaign
- Email validation with status for each row
- Segmentation by role, industry or location
- Personalisation fields (first name, company, website)
- Formatted for your sending tool
- Suppression of duplicates and past contacts
Benefits
What changes for your team
Protects sender reputation
Ready to upload
Better personalisation
Cleaner reporting
How it works
From first call to working result
- 1
Discovery call
A free 30-minute call to map your goal, sources, volume and where the result should land. NDA on request.
- 2
Sample first
We build a small working sample so you can check fields, format and quality before the full build.
- 3
Build & test
We build the full solution, test it on real data and edge cases, and share progress as we go.
- 4
Deliver & support
You get the result, the source code and short handover notes, plus fixes during the support window.
Example project
A campaign list with fewer bounces
- The challenge
- An agency's last campaign bounced so badly their domain was flagged.
- What we built
- We rebuilt their list from fresh sources, validated every address and removed risky ones before upload.
- The outcome
- The next campaign sent cleanly and protected their domain.
An illustrative example of a typical cold email lists engagement.
Use cases
Where this helps
Tech stack
Tools we use
FAQ
Questions about cold email lists
What bounce rate should I expect?
Validated lists typically keep bounces low; we remove invalid and flag risky catch-all addresses.
Can you format for my tool?
Yes, Instantly, Lemlist, Apollo, Smartlead or a plain CSV.
Do you write the emails too?
We focus on the data; we can add personalisation fields to support your copy.
Related services
Often combined with
Ready to talk about cold email lists?
Send a short brief or book a call. A senior engineer replies within a few hours.