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Technology answer

EmailJS

19,115

companies run it, 0.04% of 54,527,857 in the index. Landing 12 Sept 2026.

Hosts: 41,409 live hosts run it, of 191,809,695 hosts in the index, 0.02%. A host is a website, not a company.

Companies by month

Companies, monthly, on the fixed panel of sites crawled since 2020of 54,527,857 in the indexlanding 12 Sept 2026

19,115 at Sept 26; 15,738 twelve months earlier, +3,377, +21.5% on the fixed panel; the series starts January 2021 because the panel is anchored at 31 Dec 2020

The 69 numbers in this chart
MonthCompaniesObserved on the panel
2021-0100
2021-0200
2021-0300
2021-0400
2021-0500
2021-0600
2021-0700
2021-0800
2021-0900
2021-1000
2021-1100
2021-1200
2022-0100
2022-0200
2022-0300
2022-0400
2022-0500
2022-0600
2022-0700
2022-0800
2022-0900
2022-1000
2022-1100
2022-1200
2023-0100
2023-0200
2023-0300
2023-0447621
2023-0583938
2023-061,20354
2023-071,56671
2023-081,92987
2023-092,293103
2023-102,656120
2023-113,019136
2023-123,383153
2024-013,746169
2024-024,109185
2024-034,609208
2024-045,090230
2024-055,095230
2024-065,216235
2024-075,337241
2024-085,464246
2024-095,864264
2024-106,491293
2024-117,238326
2024-127,954359
2025-018,844399
2025-029,675436
2025-0310,506474
2025-0411,328511
2025-0512,137547
2025-0613,075590
2025-0713,993631
2025-0814,963675
2025-0915,738710
2025-1016,231732
2025-1116,498744
2025-1216,645751
2026-0116,850760
2026-0217,501789
2026-0318,375829
2026-0418,612839
2026-0518,742845
2026-0618,940854
2026-0718,994857
2026-0819,090861
2026-0919,115862

Both denominators, and a third

Shares of the same 19,115each row a different wholelanding 12 Sept 2026

Denominator
Companies
Share
companies in the index
54,527,857
0.04%
companies running anything in Email Campaigns and Transactional Email
1,887,258
1.0%
companies running anything in Transactional email services
706,953
2.7%

Three wholes, three shares of one count: a share travels with its whole, never alone. Against the last of them, EmailJS is rank 4 of 6 technologies in Transactional email services.

Open as a segment

19,115 companies; add a country, a sector or a band on the segment page. Counting is free.

/companies/tech-emailjs

Open the segment

Catalogue record

As recorded in the cataloguetaxonomy release tax-2026.10last discovered 10 Sept 2026

A service to send transactional emails from client-side or server apps via API.

EmailJS provides APIs and templates to send emails directly from web and mobile applications without maintaining an email server. It offers client SDKs and SMTP/third‑party integrations for developers and small businesses.

Kindproduct
VendorEmailJS, emailjs.com
Slugemailjs
Deploymentsaas
Pricingfreemium, subscription, usage based
Open sourceno
First discovered2023-10-06
Last discovered2026-09-10
Taxonomy releasetax-2026.10