How large should a target group be?

Start with 300–1,000 records per segment, measure replies, then expand.

Can I run several segments?

Yes, but send each segment its own message.

Yes — our email marketing service writes, sends and reports on it.

Updated 2026-08-30 · 6 min read

Weak campaigns usually come from a weak target group, not weak copy. No message rescues a list that is too broad.

This is a repeatable method for building a target group from Estonian company data.

Look at your five best customers and write down their sector, size, location and reason for buying. That is your first filter set.

Every trait must become a concrete filter, otherwise it cannot be measured.

300–2,000 well-chosen records is usually enough for one campaign. Download the free sample before buying.

If the volume is too small, widen the region first — not the sector — so the message stays relevant.

How large should a target group be?: Start with 300–1,000 records per segment, measure replies, then expand.
Can I run several segments?: Yes, but send each segment its own message.
Can you run the campaign for us?: Yes — our email marketing service writes, sends and reports on it.

Choose an industry, county, and company size, see the record count and price instantly, and download a free 25-row sample.