Technology that keeps working.

Every organisation depends on IT that has to perform reliably, every single day. Seyfnet keeps your systems available, secure and manageable.

Based in the Netherlands, serving organisations at home and abroad.

$500K

Saved Through Resource Optimization

0 %

Code Quality

0 +

Years of Coding

Everything you need for reliable IT

We combine consultancy, implementation, management, integration and security in a single approach. That way you keep a clear view of your entire IT environment, with one partner who oversees the whole.

Consultancy & architecture

Migrations, platform modernisation and infrastructure design for organisations that want to move forward. Thoroughly prepared and carefully executed, with minimal disruption to your day-to-day operations and an environment that stays manageable in the long run.

System integration

Connecting applications, platforms and data flows into one coherent whole. We link existing systems, cloud environments and business applications so information flows reliably, without isolated silos or manual workarounds.

Proactive IT management

Monitoring, patch management, backup verification and incident handling for servers, networks and cloud environments. We detect and resolve issues before they affect your work, so your systems remain reliably available, day in, day out.

Security & compliance

Hardening of Active Directory, Kerberos and cloud identities, complemented by firewall management, segmentation and access control. We reduce risk and keep your environment resilient against threats, with clear agreements on access and administration.

Business applications

Technical support and integrations for Microsoft Dynamics AX and Dynamics 365 Finance & Operations. We make sure your business applications run stably and fit seamlessly into the rest of your IT landscape.

Agentic engineering

Design and implementation of AI agents that carry out tasks and processes autonomously within your environment. From automating recurring work to smart integrations, securely configured and manageable within your existing infrastructure.

Technical depth. Personal commitment.

Seyfnet is an independent IT consultancy and managed services provider based in the Netherlands. We work for organisations that don't want to juggle a handful of separate suppliers, but are looking for one partner who oversees their entire IT environment and takes responsibility for it.

From workplace to cloud and from network to ERP: we understand not just the individual components, but above all how they interact. That's why we build structural solutions rather than temporary fixes. You get clear answers, well-considered choices and solutions that will still be secure and manageable years from now.

One partner who sees the whole picture

Your systems are interconnected. That's why we bring infrastructure, cloud, security and business applications together in one approach, with an eye for how every decision affects the rest of your environment.

Independent advice

Your organisation sets the direction; we think along with you, without ties to any vendor or product. This allows us to recommend solutions that truly fit your environment, your goals and the way you work every day.

Short lines. Clear answers.

No changing contacts or ticket numbers, but direct contact with someone who understands your technical question. Clear agreements and explanations in plain language that you can act on yourself.

Built for the long term

We tackle the cause rather than the symptom and deliberately choose solutions that remain secure, maintainable and manageable. That way, a quick fix doesn't come back to haunt you as a bigger problem later.

Based in the Netherlands, active internationally

From the Netherlands, we support organisations at home and abroad, in Dutch and English, so language never stands in the way of a good solution.

Personal support, in your own language

Direct contact with experts who understand your situation and act quickly. Clear communication in Dutch and English, wherever you operate.

Get in touch with Seyfnet

Facing a migration, a persistent technical issue, or looking for a long-term partner to manage your IT environment? We'd be happy to think along with you.

Briefly describe your situation. We'll get back to you to discuss your question, the outcome you're looking for and a suitable next step, with no obligation.

Contact form