Insights

Strategic Partnerships Tesorion has recently expanded its partner network with Z-CERT, Horizon3.ai, and Passguard to enhance incident response visibility and threat intelligence capabilities, presenting an opportunity to co-sell MSSP MDR services and cross-sell adjacent security solutions.

MDR Expand As a dedicated 24/7 MDR provider with in-house IDP and CERT capabilities, Tesorion can be positioned to enterprise and public sector clients seeking high-assurance, integrated threat intelligence, incident response, and cyber resilience services.

Threat Intel With an Intelligence Driven Protection team and a CERT, Tesorion emphasizes context-rich threat intelligence and rapid IR, making it a strong partner for organizations looking to mature cyber defense, reduce dwell time, and prioritize risk-based remediation.

Growth Readiness Recent leadership appointment and ongoing growth signals suggest Tesorion is scaling; sales efforts can target mid to large enterprises in need of robust MDR, vulnerability management, and alliance-ready security operations to support regulatory and compliance goals.

Technical Stack Fit Tesorion collaborates with technologies such as Microsoft 365, Active Directory, Qualys, and other security tools, indicating opportunities to integrate MSSP services with customers already using Microsoft and vulnerability management ecosystems for seamless deployment.

Similar companies to Tesorion

Tesorion Tech Stack

Tesorion uses 8 technology products and services including Microsoft Advertising, Cookiebot, Microsoft 365, and more. Explore Tesorion's tech stack below.

Tesorion's Email Address Formats

Tesorion uses at least 3 email formats:
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 August 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 August 2026, Tesorion has approximately 107 employees across 2 continents, including Europe and North America. Key team members include Ceo Tesorion: E. V. G., Chief Executive Officer: A. D. and 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 Microsoft Advertising, Cookiebot, Microsoft 365, Informatica, Microsoft Active Directory, WhatsApp Business, ActiveCampaign and Qualys.

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

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