A breakdown of the 3.4K+ companies running OAuth.io.
Top industries
Retail trade1.3K+
Industrial and manufacturing601
Financial services255
Consumer services221
Health and wellness161
Art, sports and recreation119
Hospitality and travel106
Professional and business services88
No industry recorded: 227
Company size
1–10833 (39%)
11–50703 (33%)
51–250462 (21%)
251–50096 (4%)
501–1,00020 (1%)
1,001–5,00027 (1%)
5,001–10,0003 (<1%)
10,001+7 (<1%)
Share of companies with a recorded size, by employees.
No size recorded: 1.2K+
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Frequently asked questions
About the OAuth.io data on this page.
How many companies use OAuth.io?
Firmable holds confirmed OAuth.io detections for 3,415 distinct companies, 3,412 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use OAuth.io?
Athletic Brewing Co., Guggenheim Museum and Brown Family Wine Group are among the most prominent in the current set.
What industries use OAuth.io?
Retail trade, industrial and manufacturing and financial services lead the set, across 19 industries in total.
What size companies use OAuth.io?
Adoption concentrates in the 1-10 employee band, across the companies whose size is recorded.
Where are OAuth.io users based?
The United States, Canada, Australia and New Zealand account for most detections, across 13 countries.
How current is this data?
3,412 companies were confirmed in the last 90 days. Last detection 7 September 2026.
