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Subcategory answer

Transactional email services

706,953

companies run at least one of the 6 technologies in it, 1.3% of 54,527,857 in the index. Landing 12 Sept 2026.

APIs and SMTP services to send application-generated transactional emails at scale; used by developers and product teams.

Share of the subcategory by month

Sendgrid 39.7%Mailgun 32.8%Amazon SES 24.2%
SendgridMailgunAmazon SESSparkPostOther

Share of companies running any technology in this subcategory, monthlyof 706,953 companies with any of themlanding 12 Sept 2026

Each month is drawn as 100%, so the bands are shares and not counts; a company running two of these technologies is counted in both, and everything past the fourth is folded into Other. The series starts January 2021 because the panel is anchored at 31 Dec 2020

The 345 numbers in this chart
MonthSendgridMailgunAmazon SESSparkPostOther
2021-0139.6%32.7%24.2%2.8%0.75%
2021-0239.6%32.7%24.2%2.8%0.75%
2021-0339.6%32.7%24.2%2.8%0.75%
2021-0439.6%32.7%24.2%2.8%0.75%
2021-0539.6%32.7%24.2%2.8%0.75%
2021-0639.6%32.7%24.2%2.8%0.75%
2021-0739.6%32.7%24.2%2.8%0.75%
2021-0839.6%32.7%24.2%2.8%0.75%
2021-0939.6%32.7%24.2%2.8%0.75%
2021-1039.6%32.7%24.2%2.8%0.75%
2021-1139.6%32.7%24.2%2.8%0.75%
2021-1239.6%32.7%24.2%2.8%0.75%
2022-0139.6%32.7%24.2%2.8%0.75%
2022-0239.6%32.7%24.2%2.8%0.75%
2022-0339.6%32.7%24.2%2.8%0.75%
2022-0439.6%32.7%24.2%2.8%0.75%
2022-0539.6%32.7%24.2%2.8%0.75%
2022-0639.6%32.7%24.2%2.8%0.75%
2022-0739.6%32.7%24.2%2.8%0.75%
2022-0839.6%32.7%24.2%2.8%0.75%
2022-0939.6%32.7%24.2%2.8%0.75%
2022-1039.6%32.7%24.2%2.8%0.75%
2022-1139.6%32.7%24.2%2.8%0.75%
2022-1239.6%32.7%24.2%2.8%0.75%
2023-0139.6%32.7%24.2%2.8%0.75%
2023-0239.6%32.7%24.2%2.8%0.75%
2023-0339.6%32.7%24.2%2.8%0.75%
2023-0439.6%32.7%24.2%2.8%0.75%
2023-0539.6%32.7%24.2%2.8%0.75%
2023-0639.6%32.7%24.2%2.8%0.75%
2023-0739.6%32.7%24.2%2.8%0.75%
2023-0839.6%32.7%24.2%2.8%0.75%
2023-0939.6%32.7%24.2%2.8%0.75%
2023-1039.6%32.7%24.2%2.8%0.75%
2023-1139.6%32.7%24.2%2.8%0.72%
2023-1239.6%32.7%24.2%2.8%0.72%
2024-0139.6%32.7%24.2%2.8%0.72%
2024-0239.6%32.7%24.2%2.8%0.72%
2024-0339.6%32.7%24.2%2.8%0.72%
2024-0439.6%32.7%24.2%2.8%0.72%
2024-0539.6%32.7%24.2%2.8%0.72%
2024-0639.6%32.7%24.2%2.8%0.72%
2024-0739.6%32.7%24.2%2.8%0.72%
2024-0839.6%32.7%24.2%2.8%0.72%
2024-0939.6%32.7%24.2%2.8%0.72%
2024-1039.6%32.7%24.2%2.8%0.71%
2024-1139.6%32.7%24.2%2.8%0.71%
2024-1239.6%32.7%24.2%2.8%0.71%
2025-0139.6%32.7%24.2%2.8%0.71%
2025-0239.6%32.7%24.2%2.8%0.71%
2025-0339.6%32.7%24.2%2.8%0.71%
2025-0439.6%32.7%24.2%2.8%0.70%
2025-0539.6%32.7%24.2%2.8%0.69%
2025-0639.6%32.7%24.2%2.8%0.68%
2025-0739.6%32.7%24.2%2.8%0.68%
2025-0839.6%32.7%24.2%2.8%0.66%
2025-0939.6%32.7%24.2%2.8%0.66%
2025-1039.6%32.7%24.2%2.8%0.66%
2025-1139.6%32.8%24.2%2.8%0.66%
2025-1239.6%32.8%24.2%2.8%0.66%
2026-0139.6%32.8%24.2%2.8%0.65%
2026-0239.6%32.8%24.2%2.8%0.65%
2026-0339.7%32.8%24.2%2.8%0.59%
2026-0439.7%32.8%24.2%2.8%0.59%
2026-0539.7%32.8%24.2%2.8%0.59%
2026-0639.7%32.8%24.2%2.8%0.59%
2026-0739.7%32.8%24.2%2.8%0.59%
2026-0839.7%32.8%24.2%2.8%0.59%
2026-0939.7%32.8%24.2%2.8%0.59%

The technologies ranked in Transactional email services

Companiesof 706,953 with any of themlanding 12 Sept 2026

#
Technology
Vendor
Companies
Share
1
Twilio SendGrid
273,761
38.7%
2
Mailgun
259,021
36.6%
3
Amazon Web Services (AWS)
168,682
23.9%
4
SparkPost (MessageBird)
12,646
1.8%
5
Mailchimp (Intuit)
3
no share

5 of 6 technologiesa company running two of them is counted in both, so the shares do not sum to 100%under 20 companies no share is published

1 of the 10 most detected technologies here sit under the publication gate on detector quality of 0.90, so they are listed rather than ranked: EmailJS 19,115.