Substack
7,327 sites detectedBlogs · #1 of 16Updated October 2026
Companies using Substack
| # | Company | Industry | Location | First seen | Evidence |
|---|---|---|---|---|---|
| 1 | Media & Content | – | Apr 2026 | page code | |
| 2 | Media & Content | – | Apr 2026 | signature | |
| 3 | Media & Content | – | Apr 2026 | signature | |
| 4 | Developer Tools & Infrastructure | – | Apr 2026 | signature | |
| 5 | Media & Content | – | Apr 2026 | signature | |
| 6 | Media & Content | – | Mar 2026 | signature | |
| 7 | Media & Content | – | Apr 2026 | signature | |
| 8 | Media & Content | – | Sept 2026 | page code | |
| 9 | Media & Content | – | Apr 2026 | page code | |
| 10 | Media & Content | – | Apr 2026 | page code |
See all 7,327 sites detected using Substack
Showing 10 of 7,327 sites detected. The customer list has every company, the new customers this month, filters and downloads.
Who uses Substack
New customers per week
Companies we saw start using it, from 21 September 2026.
By sector
54% of 102 sampled customers have a known sector.
By country
Country is known for 0% of 102 sampled customers.
Not enough data yet.
Also used by these customers
Share of sampled Substack customers running each tool.
Blogs: share by companies
Substack is #1 of 16, with 40% of companies running a tool in this category.
How we found them
Share of sampled customers by where the evidence was.
Every company in the list shows which kind of evidence we found and when. Data quality
Every company using Substack
The customer list shows who they are, the evidence for each one and who started this month.