Insights

Acquisition Opportunity QoS Telesys was acquired by Avtex Solutions in January 2018, suggesting a potential alignment with Avtex’s client base and services for cross-sell or retention opportunities in contact center and SIP/VoIP deployments.

SIP/VoIP Expertise Strong focus on SIP and VoIP with multisite and call center implementations provides a gateway to upsell modern hosted or on-premises unified communications solutions and mobility-enabled telephony for mid-market clients.

Small Team, Niche Focus A lean team specializing in legacy telecom equipment from Nortel, Avaya, and Interactive Intelligence presents a turnkey option for targeted, high-margin projects and easier onboarding of niche upgrade paths.

Revenue Signal Reported revenue range of 1M to 10M indicates a small-to-mid-size target with potential for scalable deals in contact center modernization, SIP trunks, and feature-rich telephony deployments.

Tech Stack Readiness Digital presence and tools such as WordPress, HubSpot, and Microsoft 365 indicate marketing and CRM readiness; there is opportunity to engage via inbound campaigns and nurture programs to convert interest in telecom equipment services.

Similar companies to QoS Telesys

QoS Telesys Tech Stack

QoS Telesys uses 8 technology products and services including WordPress, 1&1, Microsoft 365, and more. Explore QoS Telesys's tech stack below.

  • Content Management System
  • 1&1
    E-commerce
  • Marketing Automation
  • PHP
    Programming Languages
  • HSTS
    Security
  • System Analytics & Monitoring
  • Bootstrap
    UI Frameworks

QoS Telesys's Email Address Formats

QoS Telesys uses at least 1 email format:
QoS Telesys Email FormatsExamplePercentage
First@qostelesys.comJohn@qostelesys.com
100%

Frequently Asked Questions

What is QoS Telesys's phone number?

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You can contact QoS Telesys'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 QoS Telesys's official website and social media links?

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QoS Telesys's official website is qostelesys.com and has social profiles on LinkedIn.

How much revenue does QoS Telesys generate?

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As of September 2026, QoS Telesys's annual revenue is estimated to be $1M - $10M.

What is QoS Telesys's SIC code and NAICS code?

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

How many employees does QoS Telesys have currently?

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As of September 2026, QoS Telesys has approximately 7 employees across 1 continents, including North America. Key team members include President: K. C. Explore QoS Telesys's employee directory with LeadIQ.

What industry does QoS Telesys belong to?

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QoS Telesys operates in the Telecommunications industry.

What technology does QoS Telesys use?

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QoS Telesys's tech stack includes WordPress, 1&1, Microsoft 365, HubSpot, PHP, HSTS, Piwik and Bootstrap.

What is QoS Telesys's email format?

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QoS Telesys's email format typically follows the pattern of First@qostelesys.com. Find more QoS Telesys email formats with LeadIQ.

When was QoS Telesys founded?

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QoS Telesys was founded in 2001.
QoS Telesys logo

QoS Telesys

TelecommunicationsCalifornia, United States2-10 Employees

QoS Telesys is a telecommunications company based in Buena Park, California, specializing in the sale and service of equipment from Nortel, Avaya, and Interactive Intelligence. The firm focuses on multisite and call center applications, leveraging its expertise in SIP and VoIP to deliver cost-effective telecommunications solutions that emphasize mobility, reliability, and future-proofing for its clients.
The company serves businesses seeking robust, scalable communication infrastructure, particularly for distributed environments and contact center operations. Positioned within the telecommunications industry, QoS Telesys operates from a small-team footprint and has a history that includes a notable organizational development in early 2018, when it was acquired by Avtex, a provider of integrated interaction solutions. This context places the company within a broader network of service providers focused on contact center and communications technology.

Section iconCompany Overview

Phone number
SIC Code
4812 - Radiotelephone Communications
NAICS Code
517 - Telecommunications
Founded
2001
Employees
2-10

Section iconFunding & Financials

  • $1M - $10M

    QoS Telesys's revenue is estimated to be in the range of $1M - $10M

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