Telnyx

Telnyx is a communications platform based in Chicago, Illinois, founded in 2009. The company specializes in providing carrier-grade voice, messaging, and connectivity services through a global, private IP network. With around 304 employees, Telnyx generates approximately $112.3 million in annual revenue. The leadership team includes Founder & CEO David Casem and Founder & COO Ian Reither. Telnyx offers a range of programmable communications tools. Their voice services feature carrier-grade VoIP and advanced Voice AI for natural interactions. The messaging and connectivity solutions include a cloud-based platform for global IP network services, trunking, and APIs for voice, video, and messaging. Telnyx also focuses on AI solutions, enhancing customer satisfaction with low-latency AI capabilities. Their services support various sectors, including healthcare, finance, and retail, with notable partnerships such as PatientSync and Microsoft Teams.

Information Technology & Services Austin, United States Founded 2009 ~269 employees Private · Venture

Work at Telnyx in HR or recruiting? Claim this page

Employees
269
+8.5% in the 3 months to Sep 2026
Revenue / employee
$370K
Revenue ~$99.6M
Total funding
$3.1M
Last round Venture, Jul 2021
12-month attrition
10.8%
Tech: 8.1%
H1B filings, FY2026
5
Sponsors visas
Open jobs
20
Last 30 days

Headcount trend

Telnyx went from 201 employees in Oct 2024 to 269 in Sep 2026. Apr to Sep 2026: 42 people joined, 10 left.

Org structure

Headcount by department

Engineering95
Sales57
Other32
Success25
Operations24
Marketing11
Finance9
Product9

Funding

  • Jul 2021 · Venture · Frontline Ventures
  • Sep 2014 · Seed · $1M · Point B Capital, Corazon Capital, Lakewest Venture Partners
  • Aug 2014 · Debt Financing · $2.1M
  • May 2014 · Seed

Salaries at Telnyx

All salaries

5 salary profiles in the US

Most reported roles

Pay by level, gender and ethnicity

H-1B sponsorship

H-1B Sponsorship Limited
H-1B Filings by Department
Engineering8
Sales3
IT2
Marketing2
Consulting1

The department split adds up all the years listed above. FY2026 alone: 5 filings.

Peer reviews

Worked with someone at Telnyx?

Anonymous peer reviews on OffTheRecord

Read or write a review

Hiring now

1–8 of 14

Similar companies

Telnyx FAQ

How many employees does Telnyx have?

Telnyx has about 269 employees, up 8.5% over the 3 months to Sep 2026.

Does Telnyx sponsor H1B visas?

Yes. Telnyx filed 5 H1B (LCA) applications in FY2026, according to the latest U.S. Department of Labor disclosures. The largest group was Marketing roles.

What is Telnyx's revenue per employee?

Telnyx makes about $370K in revenue per employee, based on $99.6M annual revenue and 269 employees.

How much does Telnyx pay?

6figr has 5 salary profiles for Telnyx in the US, with pay broken down by role, level, gender and ethnicity on the Telnyx salaries page. See Telnyx salaries

How much funding has Telnyx raised?

Telnyx has raised $3.13M in total funding.

Data from Company Prospectus, DOL LCA disclosures, WARN notices and 6figr salary profiles.