Factory vs Sourcegraph: who uses which
Customers, public proof and the companies that use both.
On usedby, 19 companies use Factory and 27 use Sourcegraph. 1 company uses both, including Blackstone. Sourcegraph leads among the Marketing Tech companies on usedby that use either tool.Latest check Oct 19, 2026: 45 of 46 public lines checked. Counts include every proof level, job-post signals included. A company on both tools counts at any proof level, and a job post on one side is marked as such.
Who uses Factory, Sourcegraph, or both
Every company with a public proof for at least one of the two tools.
18
use only Factory
1
company uses both
26
use only Sourcegraph
18 companies use only Factory, 26 use only Sourcegraph and 1 uses both, out of the 45 companies on usedby that use at least one of them.
Who uses both
Companies with a public line on both tools, at any proof level: the strongest proofs come first, and a job post is marked.
| Company | First public proof, Sourcegraph |
|---|---|
| On or before Oct 2026 |
By industry
Which tool the companies on usedby use, by industry. Shares of the companies on usedby that use Factory, Sourcegraph or both: a share of the companies on usedby, not of the market.
Factory onlyBothSourcegraph only
More common with Sourcegraph
- Marketing Tech3 of the 5 Marketing Tech companies on usedby that use either tool use Sourcegraph.
Source: every usedby line, from confirmed proofs to job-post signals (the weakest proof level).
Side by side
Facts from our data and from each vendor's public pages. Each line says where it comes from.
Factory
SourcegraphWhat customers report
Results as the vendor or the customer published them, with the source and the date.
Factory

60% reduction in context-switching time
Nav
Vendor case study, factory.com, published Feb 25, 2025

3x FASTER FEATURE DEVELOPMENT FOR MEDIUM COMPLEXITY TASKS*
Groq
Vendor case study, factory.com, published Dec 30, 2025
Sourcegraph
No reviewed story for Sourcegraph yet.
Questions about Factory and Sourcegraph
Which is used more, Factory or Sourcegraph?
Sourcegraph has more customers on usedby: 27 against 19 for Factory.
Do companies use both Factory and Sourcegraph?
Yes. 1 company uses both on usedby, including Blackstone.
Who uses Factory?
19 companies on usedby, each with the public page that shows it. See who uses Factory.
Who uses Sourcegraph?
27 companies on usedby, each with the public page that shows it. See who uses Sourcegraph.
How does usedby count customers?
A company counts when a public page shows it: a vendor's customer page, a case study, a press release or a job post, most saved with a dated capture. Every line is a customer, at one of four proof levels: confirmed, declared by the company itself, observed or signal (a job post, the weakest). A company counts as using both tools when it has a line on each, at any level; the list shows the strongest proofs first and marks job posts.