Tierzero
Procurement partnerAbout
Tierzero is a Los Angeles-based internet service provider and business communications company that has served Southern California businesses since 1997. The company offers enterprise internet connectivity (including dedicated fiber, 5G, fixed wireless, and Starlink), hosted VoIP and PBX phone systems, and managed network services including firewall, Wi-Fi, and SD-WAN. All services are delivered with 24/7 US-based support and consolidated onto a single bill.
Details
VenSearch Intelligence
Ideal Customer
- Tierzero's sweet spot is small to mid-sized businesses (SMBs) in Los Angeles and Southern California, with the company explicitly segmenting its homepage around small businesses starting at 1–15 users.
- Its services are designed for companies with one or multiple locations that need bundled internet, voice, and managed services from a single provider on one bill.
Key Differentiators
- Tierzero's primary differentiator is operating as a facilities-based ISP that owns its own network, eliminating middlemen and enabling transparent, no-hidden-fee pricing consolidated into a single bill.
- The company emphasizes 24/7 100% US-based support staffed by real technicians — a direct contrast to offshore or automated support models common among national carriers.
Industries Served
- Tierzero's target clients include businesses in healthcare, property management, and engineering, according to ZoomInfo's market data.
- Coverage area analysis shows the highest industry concentrations within its footprint are Professional, Scientific, and Technical Services (14.39%), Health Care and Social Assistance (10.52%), Finance and Insurance (5.52%), and Retail Trade (10.4%), with notable employer types including law offices, physician offices, hotels, and commercial banking.
Service Coverage
- Tierzero is a regional telecom provider rooted in Los Angeles and Southern California, where it has operated since 1997.
- While its primary focus is LA and SoCal, the company states it is equipped to serve businesses across the entire country.
Partnerships
- Tierzero lists AT&T, Google, Microsoft Teams, Spectrum, Starlink, T-Mobile, and Verizon as trusted partners on its website, indicating reseller or integration relationships with these major carriers and platforms.
- The company offers managed Starlink integration, selecting optimal plans and integrating satellite connectivity into its Traffic Manager SD-WAN platform.
Company Size & Ownership
- Tierzero was founded in 1997 by John Carter, who remains Founder and CEO.
- The company employs approximately 11–18 people, making it a very small organization.
Compliance & Certifications
- Tierzero's Business Fax service is explicitly marketed as HIPAA compliant, indicating the company supports healthcare customers with regulated communication needs.
- No independent SOC 2, ISO 27001, PCI-DSS, or FedRAMP certifications have been publicly confirmed or announced for Tierzero's core telecom operations.
Compiled from public sources by VenSearch · Last researched October 14, 2026
Offerings
25 offerings10 Gig Fiber Internet
A dedicated, carrier-class 10 Gbps symmetrical fiber internet service designed for high-demand business networks. The service includes a router, 5 static IPs, professional installation, and a 99.999% uptime guarantee with 24/7 proactive network monitoring.
5G Business Internet
A 5G network-based internet service that can keep businesses online even during primary internet outages. Can be used to back up VoIP solutions and other critical business connectivity needs.
Bring Your Own Bandwidth
A service that integrates a business's existing third-party internet connection into Tierzero's Traffic Manager SD-WAN platform to improve performance and reliability. Allows businesses to leverage existing connectivity investments alongside Tierzero's network management.
Broadband Cable
A shared best-effort business internet access option delivered over cable infrastructure, popular for its low price point and high speeds. Unlike dedicated fiber, it is not backed by a Service Level Agreement.
Broadband Fiber
A shared best-effort class fiber internet service similar to broadband cable but delivered over fiber infrastructure. Unlike dedicated fiber, it is not backed by a Service Level Agreement defining guaranteed service levels.
Business Fax
A fax service that allows businesses to send and receive faxes from email, the web, or an existing fax machine using a fax ATA adapter. The service is secure and HIPAA compliant.
Business VoIP
A hosted VoIP service providing HD voice quality with QoS prioritization, enterprise features, and 24/7 US-based support. Offered as a hassle-free communication solution for Los Angeles and Southern California businesses.
Call Center Platform
An affordable, user-friendly call center platform with out-of-the-box call flows and real-time reporting designed to streamline customer experience. Targeted at Los Angeles and Southern California businesses needing structured inbound call handling.
Data Center & Colocation Services
Tierzero offers full cabinet colocation at One Wilshire and DP Data Centers, packaged with reliable power, redundant cooling, and Tierzero internet connectivity ranging from 1 Gbps to 100 Gbps.
Dedicated Fiber Internet
Secure, dedicated fiber circuits custom-designed for individual business needs, backed by a Service Level Agreement that defines the level of service and its availability. This differs from broadband fiber in that it is not a shared connection.
EVP Voice Technology
Tierzero's proprietary private voice tunnel technology that powers their business voice solutions for crystal-clear audio quality. It is described as a key differentiator in their VoIP and hosted PBX offerings.
Failover Internet
A managed failover internet service that provides guaranteed uptime with automatic failover protection so businesses never lose connectivity. Works in conjunction with the Traffic Manager SD-WAN platform.
Fixed Wireless Internet
A reliable, high-speed internet connection delivered via radio signals rather than cables. Designed as an alternative connectivity option for Los Angeles and Southern California businesses.
Hosted PBX
A cloud-based all-in-one phone system that grows with the business, with everything managed from setup to support by Tierzero. Includes a mobile app and is designed to replace on-premise PBX hardware.
LTE Backup
A 4G LTE and 5G backup internet service designed to keep businesses online during primary internet outages. Can be used to back up VoIP solutions and maintain connectivity.
Managed Firewall
An enterprise-grade firewall protection service that is fully managed by Tierzero to protect business networks from threats. Includes proactive monitoring and complete management so businesses do not need to administer the firewall themselves.
Managed LAN Switch
A fully managed and monitored LAN switch service that optimizes network performance through proper configuration. Tierzero handles all management and monitoring of the LAN switching infrastructure.
Managed Wi-Fi
Enterprise-grade Wi-Fi that is fully managed and configured to work in harmony with a business's existing network. Tierzero handles all setup, management, and monitoring of the wireless infrastructure.
Microsoft Teams Direct Routing
A managed integration service that enables businesses to make and receive calls directly from Microsoft Teams using Tierzero's direct routing. Allows Teams to function as a full business phone system.
Network Cabling
Professional network cabling installation services for offices and facilities. Provided as part of Tierzero's managed services portfolio for Los Angeles and Southern California businesses.
POTS Replacement
A service that replaces expensive and unreliable traditional copper phone lines with modern VoIP technology. Designed for businesses looking to modernize legacy telephone infrastructure.
SIP Trunking
A service that connects an existing on-premise phone system to the cloud via SIP trunking, lowering costs and adding features without requiring a full system replacement. Designed for businesses that want to leverage their existing PBX infrastructure.
Starlink
Satellite-based internet connectivity launched by Elon Musk, offered by Tierzero as an option for office internet or as an addition to an existing network. Tierzero helps businesses determine whether Starlink is the right fit and integrates it into their network.
Traffic Manager (SD-WAN)
Tierzero's SD-WAN intelligence layer that performs connection monitoring, traffic steering, and automatic failover across multiple internet connections. It identifies network issues before they become problems and ensures continuous uptime.
Unified Communications
A unified communications solution that enables business calls directly inside Microsoft Teams or through mobile and web phone apps, keeping teams connected from any device and location. Designed to consolidate communication tools into a single platform.
Considering Tierzero?
Our team will work with you to determine if Tierzero is the right fit for your organization. From research and assessment through procurement negotiation and ongoing vendor management — we handle the entire process at no cost to you.