About Us
At Aventis International, we empower small and medium-sized businesses and startups to launch, grow, and lead in the digital world.
We deliver custom-built websites and ongoing support with the precision, innovation, and agility today's markets demand — without the heavy costs of traditional agencies.
Our mission is simple: to transform great ideas into powerful online experiences, to champion our clients’ growth at every stage, and to set new standards for excellence, accessibility, and lasting impact in the digital age
We've built websites for clients across 4 countries and counting
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Trusted by clients in 🇺🇸 USA • 🇬🇧 UK • 🇨🇠Switzerland • 🇫🇮 Finland
Services
Custom Web Solutions
At Aventis International, we craft custom web solutions built around your unique goals.
From professional website development to ongoing maintenance, our services are designed to strengthen your online presence, drive engagement, and fuel lasting growth.
+358401771934
E-commerce Development
Create seamless online shopping experiences and manage product listings with our e-commerce development solutions. Drive sales, engage customers, and expand your online reach.
+358401771934
Website Maintenance
Deliver optimal viewing experiences across a range of devices with our responsive web design services. Ensure your website looks stunning and functions flawlessly on desktops, tablets, and mobiles.
+358401771934
Client Stories
At Aventis International, every client story is a reflection of trust, collaboration, and shared ambition.
Finding someone like Sam was a relief. He was sharp, attentive, and made the whole experience easy and even enjoyable. The website turned out better than I ever expected — it's exactly what my business needed to grow online. Thank you, Sam and Aventis International!
Sophia Reynolds, Founder, Lumina Wellness Co