Insights

Security-led growth Telonic GmbH is a leading IT system house in Germany with a strong focus on network, security and analytics, offering end-to-end services from planning and implementation to managed network and security services. This presents opportunities to upsell advanced security operations, threat detection, and zero-trust solutions to mid-market clients seeking enterprise-grade protection.

Integrated technology The company combines hardware and software from top vendors with their own developments, enabling tailored IT infrastructure and security strategies. Sales opportunities exist for co-delivery of integrated stacks, bundled security appliances, and value-added services around optimization and automation.

Expansion readiness With over 180 employees and a long-standing family-led track record since 1979, Telonic is structured to scale managed services. This indicates potential for expanding managed SOC, network operations, and analytics as-a-service offerings to existing clients and new mid-market accounts.

Regional strength Headquartered in Köln, NRW, Telonic serves diverse industries across Germany, suggesting opportunistic cross-sell into mid-market and enterprise customers in the DACH region, especially where regulatory-compliant security and robust network performance are critical.

Financial scale With revenue in the range of $25M-$50M and a broad technology stack, Telonic represents a mid-sized partner with appetite for strategic alliances, joint go-to-market programs, and extended service offerings to accelerate revenue growth through recurring managed services.

Telonic GmbH Tech Stack

Telonic GmbH uses 8 technology products and services including WordPress, Open Graph, Twemoji, and more. Explore Telonic GmbH's tech stack below.

  • WordPress
    Content Management System
  • Open Graph
    Content Management System
  • Twemoji
    Font Scripts
  • Wireshark
    IT Infrastructure Monitoring
  • Backbone.js
    Javascript Frameworks
  • Vue.js
    Javascript Frameworks
  • Palo Alto Firewalls
    Network Hardware
  • Max Mega Menu
    Widgets

Media & News

Telonic GmbH's Email Address Formats

Telonic GmbH uses at least 1 format(s):
Telonic GmbH Email FormatsExamplePercentage
F.Last@telonic.deJ.Doe@telonic.de
84%
FirstLast@telonic.deJohnDoe@telonic.de
9%
First_Last@telonic.deJohn_Doe@telonic.de
3%
First.Last@telonic.deJohn.Doe@telonic.de
4%

Frequently Asked Questions

What is Telonic GmbH's official website and social media links?

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Telonic GmbH's official website is telonic.de and has social profiles on LinkedIn.

What is Telonic GmbH's SIC code NAICS code?

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Telonic GmbH's SIC code is 7389 - Business Services, Not Elsewhere Classified NAICS code is 5415 - Computer Systems Design and Related Services.

How many employees does Telonic GmbH have currently?

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As of July 2026, Telonic GmbH has approximately 114 employees across 2 continents, including EuropeNorth America. Key team members include Chief Digital Officer: J. S.Team Lead Network & Security Operations | Service Owner Security Monitoring & Incident Response: R. R.Ciso: R. V.. Explore Telonic GmbH's employee directory with LeadIQ.

What industry does Telonic GmbH belong to?

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Telonic GmbH operates in the Computer and Network Security industry.

What technology does Telonic GmbH use?

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Telonic GmbH's tech stack includes WordPressOpen GraphTwemojiWiresharkBackbone.jsVue.jsPalo Alto FirewallsMax Mega Menu.

What is Telonic GmbH's email format?

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Telonic GmbH's email format typically follows the pattern of F.Last@telonic.de. Find more Telonic GmbH email formats with LeadIQ.

When was Telonic GmbH founded?

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Telonic GmbH was founded in 1979.
Telonic GmbH logo

Telonic GmbH

Computer and Network SecurityNorth Rhine-Westphalia, Germany51-200 Employees

Telonic GmbH is a Cologne-based IT systems house in North Rhine-Westphalia that operates in the computer and network security sector. Founded in 1979 and still family-owned, it provides tailored solutions across networking, security, and analytics. The company combines hardware and software from leading technology providers with its own developments to design robust IT infrastructures and security architectures for customers across a wide range of industries. Its service scope includes planning, implementation and ongoing managed network and security operations. Led by Andreas Schlechter in the second generation, Telonic continues to focus on delivering secure and efficient IT environments.

Section iconCompany Overview

Website
telonic.de
SIC Code
7389 - Business Services, Not Elsewhere Classified
NAICS Code
5415 - Computer Systems Design and Related Services
Founded
1979
Employees
51-200

Section iconMedia & News

Section iconFunding & Financials

  • $25M$50M

    Telonic GmbH's revenue is estimated to be in the range of $25M$50M

Section iconFunding & Financials

  • $25M$50M

    Telonic GmbH's revenue is estimated to be in the range of $25M$50M

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