61,496 companies use SendGrid, as of October 2026.
SendGrid: Transactional email. We've found 61,496 companies using SendGrid, most often in IT Services (13%) and Software (11%), typically with 51–200 employees and 43% based in United States.
Customers61,496companies use it
Most popular withFintech2.3× more likely than average
We've found 61,496 companies using SendGrid among the 176,780 we've scanned so far. We only count a company when a direct public record backs it up.
What kind of companies use SendGrid?
SendGrid customers are most often in IT Services (13%), Software (11%) and Financial Services (10%). The most common company size is 51–200 employees (49% of customers with a known size).
Which countries use SendGrid the most?
Most SendGrid customers we've found are in United States (43%), United Kingdom (9%) and Brazil (9%).
What are the alternatives to SendGrid?
The most used alternatives in the same category are Amazon SES (21,758 companies), Mailchimp Transactional (18,406 companies), Mailgun (14,113 companies) and Resend (8,303 companies).
How does runsonwhat know a company uses SendGrid?
We read public traces only. For SendGrid that means the company's email records (SPF, MX, DKIM), a subdomain that points at SendGrid and the company's published subprocessor list. Every match keeps the record it came from.
