Insights

Strong Market Presence As an independent MSSP with a dedicated Security Operations Center and in-house threat intelligence team, Tesorion is positioned to serve organizations seeking tailored cybersecurity solutions, especially in the Netherlands and surrounding regions.

Recent Leadership Expansion The appointment of a new director indicates strategic growth and potential for expanded service offerings, presenting opportunities to engage with the company at a leadership level for partnership or enterprise security contracts.

Innovative Tool Launches The introduction of the Tesorion Vulnerability Explorer and release of free decryptors for prevalent ransomware variants demonstrate the company's commitment to proactive security solutions, signaling readiness to collaborate on enterprise vulnerability management and incident response.

Growth Through Acquisition Acquiring Kahuna and expanding service capabilities suggest Tesorion is investing in expanding its expertise and client base, providing opportunities to offer complementary security products or services to their growing portfolio.

Mid-Range Revenue With revenue between one and ten million dollars, Tesorion might be open to strategic partnerships or bespoke cybersecurity solutions that align with organizations seeking specialized services at an enterprise level while remaining adaptable to increasing demands and security challenges.

Tesorion Tech Stack

Tesorion uses 8 technology products and services including Microsoft Clarity, FancyBox, WhatsApp Business, and more. Explore Tesorion's tech stack below.

  • Microsoft Clarity
    Analytics
  • FancyBox
    Javascript Libraries
  • WhatsApp Business
    Live Chat
  • Qualys
    Network Security
  • JavaScript
    Programming Languages
  • PHP
    Programming Languages
  • C++
    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
49%
F.Last@tesorion.nlJ.Doe@tesorion.nl
1%
First.MiddleLast@tesorion.nlJohn.MichaelDoe@tesorion.nl
1%
First.Last@tesorion.nlJohn.Doe@tesorion.nl
49%

Frequently Asked Questions

Where is Tesorion's headquarters located?

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Tesorion's main headquarters is located at Fokkerstraat 4, Leusden, Utrecht 3833, NL. 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 October 2025, Tesorion has approximately 110 employees across 2 continents, including EuropeNorth America. Key team members include Chief Executive Officer: A. D.Coo: G. W.Cto: D. J.. 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 ClarityFancyBoxWhatsApp BusinessQualysJavaScriptPHPC++Elasticsearch.

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

Tesorion

Computer and Network SecurityNetherlands51-200 Employees

Tesorion is een Nederlandse, onafhankelijke Managed Security Services Provider (MSSP). Tesorion levert private en publieke organisaties hoogwaardige 24/7 Managed Detection & Response (MDR) diensten vanuit het Tesorion Security Operations Center (T-SOC) in Leusden. 
De kwaliteit van de MDR-dienstverlening van Tesorion wordt verrijkt door het eigen Intelligence Driven Protection (IDP) team en het Computer Emergency Response Center (CERT), die respectievelijk contextuele threat intelligence (TI) en incident response (IR) diensten leveren. 

De volledige dienstverlening van Tesorion is daarmee gericht op het vergroten van de cybervolwassenheid van haar klanten en de risico’s op cyberincidenten te minimaliseren.

Section iconCompany Overview

Headquarters
Fokkerstraat 4, Leusden, Utrecht 3833, NL
NAICS Code
5415 - Computer Systems Design and Related Services
Founded
2018
Employees
51-200

Section iconFunding & Financials

  • $1M$10M

    Tesorion's revenue is estimated to be in the range of $1M$10M

Section iconFunding & Financials

  • $1M$10M

    Tesorion's revenue is estimated to be in the range of $1M$10M

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