18,720 companies use Mailchimp Transactional, as of October 2026.
Mailchimp Transactional: Transactional email (Mandrill). We've found 18,720 companies using Mailchimp Transactional, most often in Software (13%) and IT Services (11%), typically with 51–200 employees and 41% based in United States.
Customers18,720companies use it
Most popular withBusiness Software10× more likely than average
We've found 18,720 companies using Mailchimp Transactional among the 177,628 we've scanned so far. We only count a company when a direct public record backs it up.
What kind of companies use Mailchimp Transactional?
Mailchimp Transactional customers are most often in Software (13%), IT Services (11%) and Financial Services (10%). The most common company size is 51–200 employees (48% of customers with a known size).
Which countries use Mailchimp Transactional the most?
Most Mailchimp Transactional customers we've found are in United States (41%), United Kingdom (10%) and Australia (6%).
What are the alternatives to Mailchimp Transactional?
The most used alternatives in the same category are SendGrid (61,995 companies), Amazon SES (22,387 companies), Mailgun (14,403 companies) and Resend (8,404 companies).
How does runsonwhat know a company uses Mailchimp Transactional?
We read public traces only. For Mailchimp Transactional that means a domain-verification record in the company's DNS, the company's email records (SPF, MX, DKIM), a subdomain that points at Mailchimp Transactional and the company's published subprocessor list. Every match keeps the record it came from.
Atlassian StatuspageMonitoring2.5×more likely
MailchimpMarketing2.2×more likely
CursorDev Tools2.0×more likely
JamfSecurity & Compliance2.0×more likely
ZendeskSupport & Docs1.9×more likely
MarketoMarketing1.8×more likely
MiroCollaboration1.7×more likely
Amazon Trust ServicesSecurity & Compliance1.7×more likely
CanvaCollaboration1.6×more likely
StripePayments & Billing1.6×more likely
SlackCollaboration1.6×more likely
1PasswordSecurity & Compliance1.5×more likely
