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ilionx

Dutch IT consultancy and implementation firm covering AI, data, cloud, security and application development

About ilionx

Founded in 2002, ilionx is a Dutch IT services company of around nine hundred people that combines consulting with implementation. Its aim, as its site puts it, is to make complicated IT simple for its clients, whether that means choosing among new technologies, putting them into an organisation safely, or changing the way the organisation works around them.

Architecture, applications and data

The company's knowledge covers architecture, application development, security, data and AI, and organisational change. Its teams work from the Netherlands in multidisciplinary groups, bringing together technology, legal and management expertise for the challenge at hand. Its work includes building applications, analytics and artificial intelligence projects, as well as cloud and mobile solutions.

Security from an in-house operations centre

Security services are run from an in-house security operations centre. The company says these services help clients understand their vulnerabilities and risks more clearly and then improve their digital safety. Managed services take over the day-to-day running of IT systems for clients who prefer to hand that work over.

Public sector and healthcare programmes

The projects described on the site include a rapid launch of a temporary employment support scheme for the Dutch employee insurance agency, which ilionx says it delivered with a systems partner in six weeks, using a single shared tool across the agency. Other case examples include an integration project for the national rail infrastructure manager, an integration platform for a hospital group built on Azure, an automation project for a company that uses robotic process automation, and a project that used AI to lift customer satisfaction and efficiency at an insurer.

Advice, change and adoption of AI

Consultancy on processes and change management sits alongside the technology. The company says it prefers to work with its clients rather than for them, and it presents its partnership model as one of close working. It has also announced a collaboration with Noma to support the safe adoption of AI agents inside organisations.

Scale and branches

Its branches are spread across the country. It says that local presence lets it support organisations close to home while drawing on expertise from across the firm. The merger with QNH Consulting in 2018 brought together two firms with complementary skills.

TrustList summary

ilionx is a medium-sized Dutch IT services company that advises on and implements digital change. It began in 2002 and combined with QNH Consulting in 2018, and its work spans architecture, software, security and organisational change.

Products and services

  • Application development: custom software and integration platforms.
  • Data and AI: analytics and artificial intelligence projects.
  • Security: services run from its own security operations centre.
  • Cloud and mobile: building and moving systems to modern platforms.
  • Management consultancy: process and change management alongside the technology.

It works in multidisciplinary teams from the Netherlands.

Who it works with

Large Dutch organisations such as ProRail, De Nederlandsche Bank, Gasunie, Rabobank, ING, KLM and the tax authorities, as well as municipalities and healthcare institutions.

Key facts

  • Founded: 2002
  • Team: more than 900 employees
  • Branches: Groningen, Amsterdam, Utrecht, Zwolle, Maastricht, Den Bosch, Eindhoven and Rotterdam
  • Award: FD Gazellen Award in 2014, 2015 and 2016

Summary written by TrustList from the business's own published information, Nov 2026.

Categories & features

ilionx rankings

ilionx is ranked on 3 TrustList rankings: #7 on 1, #12 on 1 and #19 on 1.

Every ranking orders its listings by their reviews, how complete the profile is and the Trust Score. ilionx has no reviews yet and 2 of the 10 profile details we look for. Where no listing on a page has been reviewed, the order follows the profiles alone.

It service provider · 3 rankings

  • #7of 81
    Netherlands

    It is the only one of the top 68 here listing azure and CMS development.

    Its profile: “Its teams work from the Netherlands in multidisciplinary groups, bringing together technology, legal and management expertise for the challenge at hand.”

    Of the top 68 here, 53 also cover web development and 51 also cover IT services; 3 also work in Germany and 2 also work in United Kingdom.

    Behind Exertis Hammer, ahead of BlueBerry Media.

  • #12of 24
    Ui ux design › Netherlands

    It is the only one of the 24 here listing CRM and CRM development.

    Of the 24 here, 16 also cover software development and 15 also cover web design; 2 also work in Ahmedabad and 2 also work in India.

    Behind Creative Skills bv, ahead of Prezent Internet BV.

  • #19of 20
    Embedded software development

    It is the only one of the 20 here listing sass and SharePoint.

    Of the 20 here, 9 also cover mobile app development and 9 also cover custom software development; 3 also work in United States of America and 3 also work in France.

    Behind Advanced Bitcoin Technologies AG, ahead of Sioux Technologies.

As of 2026-11-14. Organic ranks only; sponsored placements are never ranks. How TrustList ranks

What the business tells TrustList

Founded
2002 (24 years) evidence sent
Number of staff
900 people evidence sent

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