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Netomi vs Sierra: who uses which

Customers, public proof and the companies that use both.

On usedby, 9 companies use Netomi and 50 use Sierra. No company is listed with both yet. Sierra leads among the Fintech & Payments companies on usedby that use either tool.Latest check Oct 8, 2026: 59 of 59 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 Netomi, Sierra, or both

Every company with a public proof for at least one of the two tools.

9

use only Netomi

0

companies use both

50

use only Sierra

9 companies use only Netomi, 50 use only Sierra and 0 use both, out of the 59 companies on usedby that use at least one of them.

9customers
0 confirmed 9 observed

Where it lands

Airlines & Aviation Services2
Insurance & InsurTech1
Sports & Fitness1

Newest customers

No new customer since tracking started on October 8, 2026.

50customers
37 confirmed 13 observed

Where it lands

Fintech & Payments5
Telecommunications3
Banking & Mortgages2

Newest customers

Virgin Media O2Sep 1 – Oct 1
CarMaxJun 14 – Aug 12
HomebaseJun 14 – Aug 12
Capital on TapJun 14 – Aug 12

Who uses both

Companies with a confirmed or observed line on both tools.

No company uses both yetusedby has not found a company with a confirmed or observed line on both Netomi and Sierra.

Side by side

Facts from our data and from each vendor's public pages. Each line says where it comes from.

NetomiSierra
Customersusedby, latest check Oct 8, 2026Netomi: 9 (0 confirmed, 9 observed)Sierra: 50 (37 confirmed, 13 observed)
WebsiteNetomi: netomi.comSierra: sierra.ai

Pricing, security and data residency are not checked yet. usedby adds them from each vendor's public pages, with the date of the check.

What customers report

Results as the vendor or the customer published them, with the source and the date.

Netomi

No reviewed story for Netomi yet.

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

Read the story

Time to live 6 weeks

Next

Vendor case study, sierra.ai, published Feb 25, 2026

Read the story

Questions about Netomi and Sierra

Which is used more, Netomi or Sierra?

Sierra has more customers on usedby: 50 against 9 for Netomi.

Do companies use both Netomi and Sierra?

usedby has not found a company with a confirmed or observed line on both Netomi and Sierra yet.

Who uses Netomi?

9 companies on usedby, each with the public page that shows it. See who uses Netomi.

Who uses Sierra?

50 companies on usedby, each with the public page that shows it. See who uses Sierra.

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.