Substack: Newsletter publishing. We've found 71 companies using Substack, most often in Software (14%) and Internet (14%), typically with 1–10 employees and 67% based in United States.
Customers71companies use it
Most popular with1–10 employees8.5× more likely than average
Typical customer1–10employees · mostly United States
We've found 71 companies using Substack among the 192,661 we've scanned so far. We only count a company when a direct public record backs it up.
What kind of companies use Substack?
Substack customers are most often in Software (14%), Internet (14%) and Analytics (5%). The most common company size is 1–10 employees (47% of customers with a known size).
Which countries use Substack the most?
Most Substack customers we've found are in United States (67%), United Kingdom (8%) and Australia (4%).
What are the alternatives to Substack?
The most used alternatives in the same category are WordPress (46,431 companies), Yoast SEO (22,184 companies), HubSpot CMS (13,620 companies) and Shopify (13,366 companies).
How does runsonwhat know a company uses Substack?
We read public traces only. For Substack that means a subdomain that points at Substack, code loaded on the company's website, including tag managers and the company's published subprocessor list. Every match keeps the record it came from.
DatadogMonitoring32×more likely
PostHogAnalytics12×more likely
GitBookSupport & Docs10×more likely
DiscordSupport & Docs9.6×more likely
VantaSecurity & Compliance7.6×more likely
RipplingPeople & HR7.6×more likely
SupabaseBackend & Database7.3×more likely
Better StackMonitoring7.1×more likely
FirebaseBackend & Database5.1×more likely
StripePayments & Billing4.3×more likely
Next.jsFrontend3.5×more likely
VercelHosting & Cloud3.1×more likely
