Tierzero: Detailed Company Information & Corporate Profile
Summary
Tierzero was founded in 1997 and is headquartered in Los Angeles, California. The company operates within the telecom industry, delivering a broad portfolio of connectivity and communications solutions.
Tierzero’s specialties include Business VoIP Lines, Hosted PBX, Fiber Internet, MPLS, SD-WAN, Business Internet, Managed Wi‑Fi, Firewall Protection, Managed LAN Switches, 5G Network services, Starlink integration, Network Cabling, Virtual Fax, POTS Replacement, Fixed Wireless, Broadband Cable, Call Center solutions, and Bring Your Own Bandwidth options.
The firm employs between 10 and 50 people and generates annual revenue in the $1‑$10 million range.
Leadership at Tierzero consists of CEO Nada Prouty; Information Technology Technician Jesus Salas; Senior Accountant Nicholas Mann; Director of Customer Operations Zeshan Madha; VP of Finance Susan Chung; System Architect Nicholas Pierce; Software Engineer Eric Yuan; Care Specialist Rathany Suon; Technical Support Specialists Glenn Garcia and Humberto; and Provisioning Manager Jason Lowe.
| Tierzero Website | tierzero.com |
| Phone Number | (213) 784-1400 |
| Industries | |
| Tierzero Headquarters Address | 818 W 7th St, Los Angeles, California, 90017 US |
| Company Size | 10-50 employees |
| Specialities & Services | Business VoIP Lines, Hosted PBX, Fiber Internet, MPLS, SD-WAN, Business Internet, Managed Wi-Fi, Firewall Protection, Managed LAN Switch, 5G Network, Starlink, Network Cabling, Virtual Fax, POTS Replacement, Fixed Wireless, Broadband Cable, Call Center, Bring Your Own Bandwidth |
| Founded | 1997 |
| Estimated Annual Revenue | $1 - 10M |
| Updated: | 2026-09-29 |
Estimated Website Traffic
The chart shows a decline in traffic to the tierzero.com website. In August, traffic decreased to 281, compared to 501 in the previous month. The highest traffic in 2026 was recorded in January, reaching 505 visits.
Workforce Turnover
Number of employees switched from or switched to
Length of Employment
Tierzero's workforce includes employees across a wide range of tenure levels.
8% have been with the company for 1 to 2 years8% have been with the company for 8 to 10 years83% have been with the company for more than 11 years
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Tierzero Corporate Information: FAQ
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