Custom Websites & Platforms
From business sites to complex content platforms with searchable databases and multilingual support.
Custom Web & Software Development
We help complex
organizations build
better digital systems.
EUSA Link designs and builds custom websites, web platforms, and software for organizations with real complexity. If your project involves multiple stakeholders, content migration, searchable data, integrations, multilingual content, or workflows that go beyond a template, that is exactly where we help.
What We Build
Custom digital solutions built for real complexity.
Web Applications & Software
Built around your specific workflow, not adapted from a template.
System Integrations
Connecting your site or app to payments, email platforms, and external services.
Content & Data Migrations
Moving legacy content into a modern, organized, and fully searchable format.
What We Do
Built for the projects that go beyond a template.
We design and build custom websites, web platforms, and software around how your organization actually works. Our best fit is projects that involve complex content or data, custom workflows, system integrations, or requirements that standard templates and off the shelf tools are not built to handle.
Contact usHow We Work
You work directly with us, from the first conversation through launch and beyond.
No account managers or handoffs. You work with the same people from start to finish.
We manage the technical side, timeline, coordination, and all the moving parts.
Complex projects are where we do our best work.
No matter how complex the back end, the result should be clean, fast, and easy to use.
If we are not the right fit, we will tell you and point you in the right direction.
After launch, we stay available for ongoing support and changes.
Larger Project Support
When a Project Requires a Larger Team
Some projects require a larger or more specialized team than a focused firm should handle alone. When a project calls for enterprise software capabilities, advanced AI, data analytics, mobile applications, or modernization work, we can help determine the right path and connect the client with the appropriate partner. We remain available as needed to support the process, help clarify next steps, and keep the project aligned with the client’s goals.
Specialized Capabilities
Additional Specialized Support
Cybersecurity and EU Compliance
For FinTech, crypto, and critical technology providers operating in, serving, or expanding into the EU, we can connect clients with trusted cybersecurity specialists for DORA compliance, ICT and third party risk management, and fractional CISO services.
Digital Marketing
When digital marketing support is needed, we can also connect clients with trusted specialists for paid advertising, SEO, analytics, and conversion focused campaigns.
Recent Work
Complex projects delivered.
Platform Rebuild
Lithuanian Research Center
Rebuilt a major academic and archival platform from the ground up. Decades of content across multiple collections were migrated, organized, and made fully searchable through a modern content and data structure.
lithuanianresearch.orgNew Website
Kudox Network
Designed and built a fast, lead-focused website for a network, smart home, and electrical services company, with service pages, case studies, and an industry insights blog.
kudoxnet.comRebuild & Process Automation
Vydūnas Youth Foundation
Rebuilt the platform for a scholarship foundation with more than 70 years of history. Automated the applicant workflow and added an online bookstore with PayPal, donation processing, and structured content management.
vydunasyouthfund.orgNew Website
Granite & Marble Gallery
Designed and built a lead-focused website for a family-owned stone fabricator, with service and material pages, a project gallery, client testimonials, and consultation booking calls to action.
www.chicagograniteshop.comNew Website
Chicago Lithuanian School
Built a Lithuanian-language community school website with an event calendar, grade-by-grade homework pages, online registration materials, and donation support for families and supporters.
clm.ltWebsite Rebuild
Sunlight Children's Aid
Rebuilt the nonprofit's website with an interactive map of supported schools, structured project pages, and a fully integrated donation flow.
sunlightchildrensaid.orgAbout EUSA Link
Who We Are
EUSA Link is a Chicago area business technology partner focused on custom web and software development for organizations with complex digital needs. Clients work directly with the people leading and building the project, from the first conversation through launch and ongoing support.
We combine business understanding, project coordination, and direct technical delivery. When a project requires capabilities beyond a focused team, we can bring in additional expertise through established partner relationships.
Have a project in mind?
Tell us what you are building and what you need help with. We work with businesses and organizations across industries and will get back to you within one business day.
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