Attio vs UserGems: who uses which
Customers, public proof and the companies that use both.
On usedby, 20 companies use Attio and 25 use UserGems. No company is listed with both yet. UserGems leads among the Marketing Tech companies on usedby that use either tool.Latest check Oct 8, 2026: 43 of 45 public lines checked. Counts include every proof level, job-post signals included. Companies named on both have a confirmed or observed line on each side.
Who uses Attio, UserGems, or both
Every company with a public proof for at least one of the two tools.
20
use only Attio
0
companies use both
25
use only UserGems
20 companies use only Attio, 25 use only UserGems and 0 use both, out of the 45 companies on usedby that use at least one of them.
Where it lands
Newest customers
No new customer since tracking started on October 2, 2026.
Where it lands
Newest customers
No new customer since tracking started on October 8, 2026.
Who uses both
Companies with a confirmed or observed line on both tools.
Side by side
Facts from our data and from each vendor's public pages. Each line says where it comes from.
Attio
UserGemsWhat customers report
Results as the vendor or the customer published them, with the source and the date.
Attio
generating an extra 25% in GMV per month, thanks to Attio
Passionfroot
Vendor case study, attio.com, captured Oct 2, 2026
90% team adoption overnight, up from sub 50%
Taskrabbit
Vendor case study, attio.com, captured Oct 2, 2026
UserGems
generated 276 sales opportunities worth over $18M in new business pipeline
Mimecast
Vendor case study, usergems.com, captured Oct 8, 2026
50-60% 50–60% of outbound meetings come from UserGems signals & Gem-E.
Accord
Vendor case study, usergems.com, captured Oct 8, 2026
Questions about Attio and UserGems
Which is used more, Attio or UserGems?
UserGems has more customers on usedby: 25 against 20 for Attio.
Do companies use both Attio and UserGems?
usedby has not found a company with a confirmed or observed line on both Attio and UserGems yet.
Who uses Attio?
20 companies on usedby, each with the public page that shows it. See who uses Attio.
Who uses UserGems?
25 companies on usedby, each with the public page that shows it. See who uses UserGems.
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 three proof levels: confirmed, observed or signal (a job post, the weakest). A company is named as using both tools when its lines on both are confirmed or observed.