Insights

Strategic partnership Tierzero has recently integrated with AT&T to combine Tierzero’s personalized service with AT&T’s expansive network. This presents a sales opportunity to position Tierzero as a gateway for customers seeking broad reach, reliability, and local support within Southern California while leveraging AT&T’s footprint for scale.

In-house network Owns and operates its network, avoiding intermediaries and hidden fees. This can be pitched to potential clients as a cost-efficient, transparent connectivity option with predictable pricing and proactive monitoring, appealing to businesses wary of channel markups.

Mid-market focus Customer base spans small to enterprise, with 11-50 employees listed but capability to serve larger operations. This suggests opportunities to upsell from smaller teams to higher-tier connectivity and IT solutions, leveraging a no-hassle, 24/7 support model as a differentiator.

Integrated tech stack Usage of cloud and collaboration tools (AWS, Google Workspace, HubSpot, Pardot, Calendly) indicates potential cross-sell of managed IT, cloud, and security services tailored to companies already invested in these platforms, enabling seamless integration and monitoring.

Growth signals Revenue in the $10–$25 million range and recent press about AT&T integration imply growth momentum and market validation. Target prospects in the Southern California region looking for resilient, scalable connectivity paired with proactive support should be prioritized.

Similar companies to Tierzero

Tierzero Tech Stack

Tierzero uses 8 technology products and services including HubSpot Analytics, Pendo, Calendly, and more. Explore Tierzero's tech stack below.

Tierzero's Email Address Formats

Tierzero uses at least 4 email formats:
Tierzero Email FormatsExamplePercentage
First.Last@tierzero.comJohn.Doe@tierzero.com
83%
Last@tierzero.comDoe@tierzero.com
8%
FirstLast@tierzero.comJohnDoe@tierzero.com
6%
First@tierzero.comJohn@tierzero.com
3%

Frequently Asked Questions

What is Tierzero's phone number?

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You can contact Tierzero's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Tierzero's official website and social media links?

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Tierzero's official website is tierzero.com and has social profiles on LinkedIn.

How much revenue does Tierzero generate?

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As of August 2026, Tierzero's annual revenue is estimated to be $10M - $25M.

What is Tierzero's SIC code and NAICS code?

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Tierzero's SIC code is 4812 - Radiotelephone Communications and NAICS code is 517 - Telecommunications.

How many employees does Tierzero have currently?

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As of August 2026, Tierzero has approximately 18 employees across 3 continents, including North America, Asia and Europe. Key team members include President: K. T., Owner: L. H. and Research Analyst: J. H. Explore Tierzero's employee directory with LeadIQ.

What industry does Tierzero belong to?

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Tierzero operates in the Telecommunications industry.

What technology does Tierzero use?

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Tierzero's tech stack includes HubSpot Analytics, Pendo, Calendly, Amazon Web Services, HubSpot Content Hub, Google Workspace, Pardot and Vimeo.

What is Tierzero's email format?

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Tierzero's email format typically follows the pattern of First.Last@tierzero.com. Find more Tierzero email formats with LeadIQ.

When was Tierzero founded?

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Tierzero was founded in 1997.
Tierzero logo

Tierzero

TelecommunicationsCalifornia, United States11-50 Employees

Tierzero is a telecommunications provider based in Los Angeles, California, serving Southern California businesses since 1997. The company delivers internet, voice, and IT solutions, and it operates its own network to minimize reliance on intermediaries and to avoid hidden fees.

Its services are designed for a range of customers from small businesses to larger enterprises, focusing on dependable, secure, high-performance connections. Tierzero emphasizes around-the-clock support staffed by real people, straightforward pricing, and proactive monitoring to prevent downtime. The emphasis on owning the network positions it as a regional alternative to larger national providers.

Section iconCompany Overview

Phone number
SIC Code
4812 - Radiotelephone Communications
NAICS Code
517 - Telecommunications
Founded
1997
Employees
11-50

Section iconFunding & Financials

  • $10M - $25M

    Tierzero's revenue is estimated to be in the range of $10M - $25M

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