A website that works
We develop high-end custom websites that do more than just look good. With a focus on speed, usability, and conversion, we create digital experiences that help your business grow. No standard templates, but smart solutions tailored to your goals, processes, and audience.
- Fully taken care of
- Built around your goals
- Grows effortlessly with your business

10+
+10 years of experience
50+
Successful projects
10/10
Rating
20M+
Lines of code
Why choose a custom website?
A custom website aligns seamlessly with your brand, goals, and processes. No standard templates, but a unique online experience designed to convert. Whether you want to generate leads, inform clients, or automate processes — your website works exactly the way you want it to.
In a digital world where first impressions matter, custom websites give you the flexibility, speed, and scalability to truly stand out.
UX and UI design for an unmatched user experience
Responsive design for optimal accessibility
Easy integration with other software via APIs
Includes a user-friendly CMS
Blazing fast and scalable
SEO-optimized website
How we build websites
From the initial meeting to continued development, our flexible and goal-oriented approach ensures your website supports your business’s future. We deliver technological solutions that are not only relevant today, but also ready for tomorrow’s challenges.
Introduction
In a creative session we discuss your ideas and needs. With this new inspiration, we start our collaboration, focused on ambitious yet achievable goals.
Design
After our inspiring session, we present an initial design concept. Once you approve, we begin the first development sprint to bring your website to life.
Development
Our team of experts starts building an intuitive and user-friendly website. We make sure every feature aligns perfectly with your needs and those of your users.
Launch
After a thorough testing phase, it’s time to go live. We launch your website, ready to impress and delight users with its capabilities.
Monitoring & updates
Even after launch, we stay involved. We monitor website performance and regularly roll out updates to ensure optimal operation.
Continuous development
We continue to build on your success. Ongoing development sprints deliver new features and innovative solutions, ensuring your website always grows with your business and your customers’ changing needs.
Our principes

Why choose Rocksolid?
We are a team of experienced specialists who elevate your online presence. Combining strategic insight, creative design, and smart technology, we build custom websites that not only meet the highest quality standards but also truly work for your business and users.
Security
We implement robust security protocols and perform regular updates to ensure your custom website is protected against the latest threats. This provides a safe and reliable user experience.
Optimization
Our websites are built for optimal performance. We continuously monitor and optimize load times, response speed, and usability to ensure your website runs smoothly and efficiently.
Scalability
We design websites that can easily grow with your business. Whether it’s increased traffic or new features, our solutions continue to perform without compromising speed or reliability.
Technologie

GetGraspLightning-fast and manageable website
A fast and SEO-friendly website built with Nuxt.js and Strapi CMS, giving the GetGrasp team full control over content publishing.

Vorwerk & CoWordPress website for an accounting firm
A modern WordPress website for Vorwerk & Co that makes them professionally visible online and gives their team full content management control.

RolingWordPress website for insulation services
A professional WordPress website for Roling Isolatiebouw that clearly presents their services and projects — built for trust and new inquiries.

HSI InstallatiesWordPress website for floor heating specialist
A professional WordPress website for HSI Installaties that clearly presents their underfloor heating services and is easy to manage in-house.

ZoomAcademy – ReshiftWebshop and E-Learning platform
A headless Shopify Plus platform integrated with LearnWorlds, where users can buy and immediately access courses via SSO — with full content control for the marketing team via Builder.io.

Peau'DorHeadless Shopify webshop
A headless Shopify webshop built with Next.js and React that elevates Peau'Dor’s brand experience and conversion — fast, flexible, and marketing-ready.

OtenticWooCommerce webshop for a luxury perfume brand
A WooCommerce webshop for Otentic Perfumes that combines luxury, speed, and ease of use — ready for international growth and brand reinforcement.

UNG CosmeticsWooCommerce webshop for cosmetics
A visually strong WooCommerce webshop for UNG Cosmetics, focused on conversion, brand experience, and easy management for the marketing team.

Visus OogkliniekCustom medical EHR system
A fully custom EHR system that supports the entire patient process: from medical history to discharge letters, including prescriptions, payments, and email automation.

DCA DienstverleningTime tracking and invoicing platform
A digital time tracking and invoicing platform that enables DCA Services to receive hotel data in one click and automatically invoice via WeFact — saving several days of work each week.

Whats.WorkHire students for IT support
A mobile app that helps you find and hire nearby students for IT support. Match based on skills and hire instantly at their hourly rate.

Visus OogkliniekOnline booking system with EHR integration
Patients can now book UVO appointments directly via the website. Staff confirm the booking in the EHR, after which an automated intake form invitation is sent.

Revise.meThesis editing platform
A platform where students can easily hire an editor to improve their thesis — with secure payments and automated payouts via Stripe.

Visus OogkliniekInternal scheduling system
We developed an internal scheduling system allowing staff to efficiently plan and manage treatments, preliminary exams, and check-ups.

SuperSpacesAIAnalytics & audience rewards for Twitter Spaces
An analytics and reward platform for X Spaces that gives hosts insight into their audience and automatically rewards loyal listeners.

Visus OogkliniekInternal ticketing & communication system
An internal ticket and task management system within the EHR, enabling staff to efficiently assign, track, and follow up on patient-related tasks, complete with reminders and smart filters.

HSI InstallatiesMobile handover & photo documentation app
A mobile app that allows HSI Installaties technicians to instantly link photos to projects, blocks, and house numbers — making handover documentation fast, accurate, and hassle-free.

GorillaJobsJob platform for healthcare professionals
A job platform focused on healthcare professionals, enabling institutions and candidates to connect quickly and directly — no hassle, no middlemen.

AtozLabsCreate, deploy, and mint NFT collections
A no-code NFT generator for creating, deploying, and selling thousands of unique images — with a mint page and support for Ethereum, Solana, and Zilliqa.

ZilliqaSam McKnight NFT drop
An exclusive NFT drop for Sam McKnight on Zilliqa, featuring unique artworks, a branded mint page, and unlockable content — ready for both the web3 community and loyal fans.

xCoHostManage your X Spaces like a pro
A platform to professionally manage your X Space — from speaker scheduling and invites to a live dashboard — used by thousands of hosts and millions of listeners.
Reviews
Rocksolid has been the driving force behind our platform for over a year. So far, they’ve helped us with everything from maintenance and bug fixing to developing new features. They work quickly, which keeps the expansion of our platform affordable. The collaboration is also smooth and efficient. We create a development roadmap together, and they also make time for urgent tasks on short notice. Because they’re so accessible, our platform is always up and running.

David
ReviseMe
An exceptional development company with outstanding service! A friendly and young team with a driven way of working! They build beautiful and fast websites! I can recommend them to everyone! Their approach is unique in the industry, striking a perfect balance between professionalism and a personal touch. They truly listen to the client’s wishes and translate them seamlessly into design and development.

Rick
LidekaHome
If you are looking for reliable developers who listen, challenge you to develop better software architecture and are fair in their work with you - you found your team. Mark and Daan have tremendous experience across mobile, web and blockchain and I could not recommend them more for any job at hand.

Fred
SuperSpacesAI
Rocksolid truly impressed us with their professionalism and efficiency. Their team delivers fast and reliable work, and communication is always smooth. The app they developed for us is not only functional but also looks fantastic. We’re very satisfied and definitely recommend them!

Roel
HSI Installations
Quality and innovation, optimized for a growing business. We design scalable websites with a focus on usability, speed, and maintainability — essential for companies that want to offer their customers the best possible online experience.
Our custom websites are versatile and can fulfill a wide range of functions, from simple integrations to complex platforms. We comply with the latest GDPR and security regulations, so you can trust our high-quality solutions.
We don’t just build solutions — we build the future of your business. With our high-end websites, you deliver a top-tier brand experience to your ideal customer.
Your website can easily be integrated with other online services and APIs, allowing for smooth data exchange and efficient workflows. Think of e-commerce platforms or advanced CRM systems perfectly tailored to your business.
Custom websites are ideal for integration with various tools, such as information and communication platforms and social networks. We also integrate productivity tools like project management software, CRM systems, and analytics platforms that optimize business processes and strengthen customer relationships.
With a website that’s perfectly aligned with your needs, you increase efficiency, save costs, and strengthen your business’s competitive position.