Insights

Strategic Partnerships Tesorion's recent Passguard collaboration expands visibility into infected devices and stolen sessions and credentials, enabling joint detection and rapid containment; opportunity to cross-sell MDR and threat intelligence enhancements to clients needing strengthened credential protection.

Market Focus With an around-the-clock MDR backbone and capabilities through the T-SOC, IDP team, and CERT, Tesorion positions itself as a security partner for private and public sector customers seeking to mature cyber operations and meet compliance demands.

Integrated Capabilities IDP and CERT support integrated threat intelligence and incident response, creating opportunities for bundled MDR offerings with TI feeds and IR retainer packages to reduce dwell time and incident impact.

Growth & Scale Historical growth via acquisitions and leadership expansion indicates capacity to scale services for larger, multi-region customers; target enterprise clients seeking EU-MDR coverage and standardized security operations.

Local Expertise A Dutch-based MSSP with a dedicated security operations center in Nieuwegein, strong local support and rapid response capabilities can be pitched to organizations prioritizing regional presence and regulatory alignment.

Tesorion Tech Stack

Tesorion uses 8 technology products and services including Clicky, WhatsApp Business, ActiveCampaign, and more. Explore Tesorion's tech stack below.

  • Clicky
    Analytics
  • WhatsApp Business
    Live Chat
  • ActiveCampaign
    Marketing Automation
  • Microsoft Windows
    Operating Systems
  • Priority Hints
    Performance
  • PHP
    Programming Languages
  • JavaScript
    Programming Languages
  • Elasticsearch
    Search Engines

Tesorion's Email Address Formats

Tesorion uses at least 1 format(s):
Tesorion Email FormatsExamplePercentage
First.Last@tesorion.nlJohn.Doe@tesorion.nl
96%
F.Last@tesorion.nlJ.Doe@tesorion.nl
2%
First.MiddleLast@tesorion.nlJohn.MichaelDoe@tesorion.nl
2%

Frequently Asked Questions

Where is Tesorion's headquarters located?

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Tesorion's main headquarters is located at 2a Ravenswade Nieuwegein, Utrecht 3439 ld Netherlands. The company has employees across 2 continents, including EuropeNorth America.

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.

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 May 2026, Tesorion has approximately 111 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 ClickyWhatsApp BusinessActiveCampaignMicrosoft WindowsPriority HintsPHPJavaScriptElasticsearch.

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

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

Headquarters
2a Ravenswade Nieuwegein, Utrecht 3439 ld Netherlands
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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