Sierra vs Talkdesk: who uses which
Customers, public proof and the companies that use both.
On usedby, 50 companies use Sierra and 47 use Talkdesk. No company is listed with both yet. Sierra leads among the Fintech & Payments companies on usedby that use either tool, Talkdesk among the Banking & Mortgages companies.Latest check Oct 7, 2026: 95 of 97 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 Sierra, Talkdesk, or both
Every company with a public proof for at least one of the two tools.
50
use only Sierra
0
companies use both
47
use only Talkdesk
50 companies use only Sierra, 47 use only Talkdesk and 0 use both, out of the 97 companies on usedby that use at least one of them.
Where it lands
Newest customers
Where it lands
Newest customers
We have not started tracking changes for Talkdesk yet.
Who uses both
Companies with a confirmed or observed line on both tools.
By industry
Which tool the companies on usedby use, by industry. Shares of the companies on usedby that use Sierra, Talkdesk or both: a share of the companies on usedby, not of the market.
Sierra onlyBothTalkdesk only
More common with Sierra
- Fintech & Payments5 of the 6 Fintech & Payments companies on usedby that use either tool use Sierra.
More common with Talkdesk
- Banking & Mortgages7 of the 9 Banking & Mortgages companies on usedby that use either tool use Talkdesk.
Source: confirmed and observed usedby lines. Job-post signals, the weakest proof level, are left out of these shares.
Side by side
Facts from our data and from each vendor's public pages. Each line says where it comes from.
Sierra
TalkdeskWhat customers report
Results as the vendor or the customer published them, with the source and the date.
Sierra

Nearly 1,000 hours per month returned to exception handling and high-value work
RunBuggy
Vendor case study, sierra.ai, published Feb 3, 2026

Talkdesk

AI agents handle 3% of calls
novobanco
Vendor case study, talkdesk.com, captured Oct 4, 2026

they achieved a 40% reduction in operating costs
Metro Finance
Vendor case study, talkdesk.com, captured Oct 4, 2026
Questions about Sierra and Talkdesk
Which is used more, Sierra or Talkdesk?
Sierra has more customers on usedby: 50 against 47 for Talkdesk. Sierra leads among the Fintech & Payments companies on usedby that use either tool, Talkdesk among the Banking & Mortgages companies.
Do companies use both Sierra and Talkdesk?
usedby has not found a company with a confirmed or observed line on both Sierra and Talkdesk yet.
Who uses Sierra?
50 companies on usedby, each with the public page that shows it. See who uses Sierra.
Who uses Talkdesk?
47 companies on usedby, each with the public page that shows it. See who uses Talkdesk.
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.



