Insights

Mid-market Security Telonic GmbH is a Cologne-based IT security and network systems integrator with 51-200 employees and annual revenue in the 25-50 million USD range, indicating a mid-market focus with scale for larger managed security services opportunities.

Managed Services Growth The company offers end-to-end services from planning and implementation to managed network and security services, suggesting potential upsell of ongoing managed services, monitoring, threat detection, and proactive security operations centers.

Hybrid Tech Stack Combined use of leading security hardware from vendors like Palo Alto with in-house developments and modern web technologies signals opportunities to propose integrated security analytics, cloud-native controls, and automation tooling.

Legacy to Modernization With a long-standing history since 1979 and a mission to make IT infrastructures smarter and safer, Telonic may be seeking modernization partnerships, migration support, and upgrade programs for secure networking and analytics platforms.

Founder-led Continuity Family-owned, second-generation leadership under Andreas Schlechter suggests stability and long-term customer relationships, offering a path for highly personalized solutions, referenceable deployments, and channel-driven co-sell motions.

Similar companies to Telonic GmbH

Telonic GmbH Tech Stack

Telonic GmbH uses 8 technology products and services including iCIMS, Amazon Web Services, WordPress, and more. Explore Telonic GmbH's tech stack below.

Telonic GmbH's Email Address Formats

Telonic GmbH uses at least 4 email formats:
Telonic GmbH Email FormatsExamplePercentage
F.Last@telonic.deJ.Doe@telonic.de
85%
FirstLast@telonic.deJohnDoe@telonic.de
8%
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.

How much revenue does Telonic GmbH generate?

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As of August 2026, Telonic GmbH's annual revenue is estimated to be $25M - $50M.

What is Telonic GmbH's SIC code and NAICS code?

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

How many employees does Telonic GmbH have currently?

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As of August 2026, Telonic GmbH has approximately 116 employees across 2 continents, including Europe and North America. Key team members include Chief Digital Officer: J. S., Ciso: R. V. and Director Strategic Partnerships & Services: C. S. 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 iCIMS, Amazon Web Services, WordPress, Cookiebot, Salesforce, Shopify, Palo Alto Firewalls and Piwik PRO Core.

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 iconFunding & Financials

  • $25M - $50M

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

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