Custom ExpressionEngine Development

At Reinos.nl, we don't just build and maintain high-quality ExpressionEngine add-ons — We also offer custom ExpressionEngine development services to meet your requirements.

Whether you’re running a complex ExpressionEngine site, need advanced functionality that goes beyond off-the-shelf add-ons, or want to optimize and modernize your current setup, we’re here to help.

What we offer

Custom-built add-ons
Need functionality that doesn't exist yet? We build tailor-made add-ons to fit your exact requirements.

Template and frontend development
We craft clean, maintainable templates using modern best practices for performance and flexibility.

Performance optimization
Is your site running slow or inefficient? We analyze and fine-tune your ExpressionEngine installation to get the most out of it.

Upgrades and migrations
We can help you move to the latest version of ExpressionEngine safely and efficiently — including legacy-to-modern template conversion.

API integrations
Need your EE site to communicate with third-party services (e.g. payment providers, CRMs, or custom apps)? We build solid, secure integrations.

Ongoing support
We offer maintenance plans and long-term support so your ExpressionEngine setup stays secure and up-to-date.

Why choose Reinos.nl?

With over a decade of experience in ExpressionEngine development and a strong track record in the add-on ecosystem, Reinos.nl is a reliable development partner for companies and agencies using ExpressionEngine as the foundation of their websites and applications.

Looking for reliable, experienced help with your EE project? Let’s talk.