Leads.
Companies House bulk data — — local businesses indexed — sectors
Matching companies

Pick a sector to begin. Everything is live Companies House data — active companies only, with a full postal address.
Spreads the batch evenly across the sectors you picked, so one sector can't swamp the test.

Preview

CompanySectorTownPostcodeIncorporated

Export

Downloads a CSV ready for GenSend. Company-level Companies House data has no owner names, so full_name and first_name stay blank on purpose — the merge template still works.

max 5,000 rows per export