Warming up
Transactional email API
35,454 software, SaaS and IT companies across 10 countries publish an email address on their own website. United States holds 63% of them, and the UK ranks 2nd with 4,340.
Companies with a published email address in each of the ten countries we measure for this directory, counted on September 29, 2026.
| United States | 22,303 (63%) |
|---|---|
| United Kingdom | 4,340 (12%) |
| Germany | 2,104 (6%) |
| Canada | 1,773 (5%) |
| Australia | 1,585 (4%) |
| Netherlands | 975 (3%) |
| Italy | 773 (2%) |
| France | 763 (2%) |
| Spain | 622 (2%) |
| Ireland | 216 (under 1%) |
Each view breaks the segment down by place, contact route, founding year and the tools their websites run, and ends with an outreach playbook.
Software buyers expect a self-serve path and a clear price. Put the price or the free tier in the email, and show one concrete integration or metric instead of a list of features.
The full playbook, with objections and a sample first email, is on each detailed view, starting with software, SaaS and IT companies in the UK.
Of the ten countries measured, United States has the most, with 22,303, followed by United Kingdom with 4,340. Counted on September 29, 2026 from Warmerly's lead database. Coverage follows where we have crawled most deeply, so it tells you where our data is richest as much as where the industry is biggest.
Companies whose website describes a SaaS product, software platform or developer tool, and software development, IT services and managed service providers. A company is only counted when its own website publishes an email address and it has not asked to be removed.
4,340 with a published email address as of September 29, 2026. 443 of them name London on their website.
Yes. The lead finder covers every country in the database, not only the 10 listed here, 35,454 of these software, SaaS and IT companies between them. Searching and counting are free; exporting uses your plan's monthly lead allowance.
Pick a country and a city, see how many companies match and what their records hold, then send from mailboxes that are already warmed up.