Technology answer

Five9

713

companies run it, <0.01% of 54,527,857 in the index. Landing 12 Sept 2026.

Hosts: 1,313 live hosts run it, of 191,809,695 hosts in the index, <0.01%. A host is a website, not a company.

Companies by month

No published series

713 companies is under the publication floor of 1,000, and the fixed panel anchored at 31 Dec 2020 carries 87 of them. A monthly line drawn off that many observations would be noise at the same weight as a line off millions, so this page states the count and its date and publishes no series.

First discovered 25 Feb 2026, last discovered 10 Sept 2026.

Both denominators, and a third

Shares of the same 713each row a different wholelanding 12 Sept 2026

Denominator

Companies

Share

companies in the index

54,527,857

<0.01%

companies running anything in Live Chat and Messaging

3,137,933

0.02%

companies running anything in Contact center software (CCaaS)

1,044

68.3%

Three wholes, three shares of one count: a share travels with its whole, never alone. Against the last of them, Five9 is rank 1 of 4 technologies in Contact center software (CCaaS).

Open as a segment

713 companies; add a country, a sector or a band on the segment page. Counting is free.

/companies/tech-five9

Open the segment

Catalogue record

As recorded in the cataloguetaxonomy release tax-2026.10last discovered 10 Sept 2026

Cloud contact center platform for voice and digital channels.

Five9 is a cloud contact center platform that supports voice, chat, and other digital channels with routing and agent tools. It is used by customer service and sales teams to run inbound and outbound operations.

Kindproduct

VendorFive9, five9.com

PathCustomer Engagement and Support > Live Chat and Messaging > Contact center software (CCaaS)

Slugfive9

Deploymentsaas

Pricingquote based, subscription

Open sourceno

First discovered2026-02-25

Last discovered2026-09-10

Taxonomy releasetax-2026.10

One click under this answer

Subcategory answerContact center software (CCaaS)Companies running anything in Contact center software (CCaaS), 1,044 of 54,527,857 in the index, and the technologies ranked in it.Category answerLive Chat and MessagingThe category above this one, with its subcategories and the companies in each.CatalogueAll 8,177 technologiesRanked by the companies running them, with the publication gate named and the long tail drawn.