Insights

Strategic partnerships Tesorion has actively expanded its partner ecosystem in 2026, announcing collaborations with Z-CERT, Horizon3.ai, and Passguard. This indicates a potential sales avenue through channel and alliance opportunities to reach new customers and augment MDR offerings.

MDR and IDP strength The company emphasizes 24/7 Managed Detection & Response complemented by its Intelligence Driven Protection and CERT capabilities. This positions Tesorion as a high-value security provider for mid-sized to large organizations seeking advanced threat intel and rapid incident response.

Security leadership With a dedicated T-SOC in Nieuwegein and a focus on increasing cyber maturity for clients, Tesorion targets organizations prioritizing mature security operations, making it a strong upsell for existing MSSP customers seeking enhanced monitoring and IR services.

Growth indicators Revenue range reported at $10M-$25M and a growing client-facing footprint through acquisitions and partnerships suggest expanding market traction, creating opportunities to introduce scalable MDR packages and cross-sell adjacent security services.

Talent and leadership Recent leadership addition and a mid-sized employee base indicate a company investing in governance and service quality, which can be leveraged to pitch enterprise-grade security programs, governance, risk, and compliance (GRC) enhancements to mid-market clients.

Tesorion Tech Stack

Tesorion uses 8 technology products and services including Facebook Pixel, Modernizr, ActiveCampaign, and more. Explore Tesorion's tech stack below.

  • Facebook Pixel
    Analytics
  • Modernizr
    Javascript Libraries
  • ActiveCampaign
    Marketing Automation
  • LinkedIn
    Online Community Software
  • Priority Hints
    Performance
  • Python
    Programming Languages
  • Linux
    Programming Languages
  • Google
    Search Engines

Tesorion's Email Address Formats

Tesorion uses at least 1 format(s):
Tesorion Email FormatsExamplePercentage
First.Last@tesorion.nlJohn.Doe@tesorion.nl
97%
F.Last@tesorion.nlJ.Doe@tesorion.nl
1%
First.MiddleLast@tesorion.nlJohn.MichaelDoe@tesorion.nl
2%

Frequently Asked Questions

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

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Tesorion's official website is tesorion.nl and has social profiles on LinkedIn.

How much revenue does Tesorion generate?

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

What is Tesorion's NAICS code?

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Tesorion's NAICS code is 5415 - Computer Systems Design and Related Services.

How many employees does Tesorion have currently?

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As of July 2026, Tesorion has approximately 110 employees across 2 continents, including EuropeNorth America. Key team members include Ceo Tesorion: E. V. G.Chief Executive Officer: A. D.Coo: G. W.. Explore Tesorion's employee directory with LeadIQ.

What industry does Tesorion belong to?

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Tesorion operates in the Computer and Network Security industry.

What technology does Tesorion use?

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Tesorion's tech stack includes Facebook PixelModernizrActiveCampaignLinkedInPriority HintsPythonLinuxGoogle.

What is Tesorion's email format?

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Tesorion's email format typically follows the pattern of First.Last@tesorion.nl. Find more Tesorion email formats with LeadIQ.

When was Tesorion founded?

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Tesorion was founded in 2018.
Tesorion logo

Tesorion

Computer and Network SecurityUtrecht, Netherlands51-200 Employees

Tesorion is a Dutch independent provider of managed security services for private and public organizations. It delivers 24/7 Managed Detection & Response from its Security Operations Center in Nieuwegein, in the Utrecht region. The MDR offering is supported by an in-house Intelligence Driven Protection team and a Computer Emergency Response Center, which provide contextual threat intelligence and incident response capabilities.

Based in the Netherlands, Tesorion operates as an independent MSSP in the computer and network security sector, serving both private and public sector clients seeking continuous monitoring and response capabilities. A recent development is the February 2026 partnership with Passguard, which expands visibility into infected devices and related stolen sessions and credentials.

Section iconCompany Overview

NAICS Code
5415 - Computer Systems Design and Related Services
Founded
2018
Employees
51-200

Section iconFunding & Financials

  • $10M - $25M

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

Section iconFunding & Financials

  • $10M - $25M

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

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