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Custom web application

We develop custom web applications that perfectly align with your processes. No standard solutions, but smart applications that make your team more efficient and serve your customers better.

  • From concept to launch
  • Built around your goals
  • Scalable solutions that grow with you
Mark
Or send us a message

10+

+10 years of experience

50+

Successful projects

10/10

Rating

20M+

Lines of code

Why custom web applications?

With custom web applications, you transform time-consuming and error-prone tasks into automated solutions. Especially in times of staff shortages, investing in web applications is a smart way to boost operational efficiency and lighten your team's workload. Maximize the value of your time, resources, and team effort.

Custom web apps help match supply and demand seamlessly and contribute to improved ROI. By streamlining processes, you increase efficiency and reduce costs.

Full control over functionality

Seamless integrations with your existing systems

No unnecessary features – only what you really need

Compliance with GDPR and security guidelines

Easy to connect with other software via APIs

Platform-independent and accessible through any web browser

How we build web applications

From the first consultation to continuous development, Our flexible and effective approach drives results that move your business forward. We build future-ready tech solutions that keep your business competitive and aligned with what's next.

01

Introduction

In a creative session, we explore your goals, wishes, and ideas. Together, we define what truly matters for the first version of your software.

02

Concept & planning

We translate your input into a concrete MVP concept. You'll receive a visual proposal right away and a clear roadmap for the first sprint.

03

Building the MVP

We build a minimal version of your software quickly and purposefully, fully functional, with the core features that deliver value to your users.

04

Launch

After a short testing phase, we launch your MVP live. Real users can start using it right away and you’ll receive direct feedback.

05

Optimization

We analyze behavior, gather insights, and refine your software. What works, we expand, what doesn’t, we adjust.

06

Ongoing development

In short sprints, we continue to develop step by step. This way, your software grows along with your business, without being stuck in long processes.

Why choose Rocksolid?

We are a team of experienced professionals who elevate your business with thoughtful, high-quality software. From the first concept, we work with you to turn strategy into design, and design into powerful, evolving software. Thanks to our streamlined approach and flexible attitude, we can act quickly and create solutions that truly fit your organization and users.

  • Personal collaboration with a team that genuinely thinks along with you
  • Clear communication and short lines, no unnecessary layers
  • Direct access to the developers building your solution
  • From idea to working MVP in just a few weeks
Mark
Or send us a message
Rocksolid Office

Security

We conduct thorough security analyses and regular updates to ensure your software is protected against the latest threats. This provides a safe and reliable user experience.

Optimization

We ensure speed and efficiency by continuously analyzing and improving. From load times and response speed to overall usability, we deliver an optimized application that grows with you.

Scalable

We design software that can easily grow with your business, capable of handling high traffic peaks and a growing number of users without compromising performance.

Technology

Our work

Web application
Preview image of Custom medical EHR system

Visus Oogkliniek
Custom medical EHR system

Laravel
Vue

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

Web application
Preview image of Time tracking and invoicing platform

DCA Dienstverlening
Time tracking and invoicing platform

Golang
React

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.

Web application
Preview image of Online booking system with EHR integration

Visus Oogkliniek
Online booking system with EHR integration

Laravel
React

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.

Web application
Preview image of Thesis editing platform

Revise.me
Thesis editing platform

Laravel
Vue

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

Web application
Preview image of Internal scheduling system

Visus Oogkliniek
Internal scheduling system

Laravel
Vue

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

Web application
Preview image of Analytics & audience rewards for Twitter Spaces

SuperSpacesAI
Analytics & audience rewards for Twitter Spaces

React
Node.js

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

Web application
Preview image of Internal ticketing & communication system

Visus Oogkliniek
Internal ticketing & communication system

Laravel
React

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.

Web application
Preview image of Job platform for healthcare professionals

GorillaJobs
Job platform for healthcare professionals

Laravel
Vue

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

Web application
Preview image of Create, deploy, and mint NFT collections

AtozLabs
Create, deploy, and mint NFT collections

React
Node.js

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.

Web application
Preview image of Manage your X Spaces like a pro

xCoHost
Manage your X Spaces like a pro

Golang
React
Next.js

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.

Mobile app
Preview image of Hire students for IT support

Whats.Work
Hire students for IT support

Golang
React Native

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.

Mobile app
Preview image of Mobile handover & photo documentation app

HSI Installaties
Mobile handover & photo documentation app

React Native
Go

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.

Website
Preview image of Lightning-fast and manageable website

GetGrasp
Lightning-fast and manageable website

Vue.js
Nuxt
Strapi CMS

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

Webshop
Preview image of Webshop and E-Learning platform

ZoomAcademy – Reshift
Webshop and E-Learning platform

React
Shopify Plus

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.

Webshop
Preview image of Headless Shopify webshop

Peau'Dor
Headless Shopify webshop

React
Shopify

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

Webshop
Preview image of WooCommerce webshop for a luxury perfume brand

Otentic
WooCommerce webshop for a luxury perfume brand

WordPress
WooCommerce

A WooCommerce webshop for Otentic Perfumes that combines luxury, speed, and ease of use. Ready for international growth and brand reinforcement.

Website
Preview image of WordPress website for an accounting firm

Vorwerk & Co
WordPress website for an accounting firm

WordPress
WooCommerce

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

Webshop
Preview image of WooCommerce webshop for cosmetics

UNG Cosmetics
WooCommerce webshop for cosmetics

WordPress
WooCommerce

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

Website
Preview image of WordPress website for insulation services

Roling
WordPress website for insulation services

WordPress

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

Blockchain
Preview image of Sam McKnight NFT drop

Zilliqa
Sam McKnight NFT drop

React
Node.js
Zilliqa

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.

Website
Preview image of WordPress website for floor heating specialist

HSI Installaties
WordPress website for floor heating specialist

React
Next.js

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

 

Reviews

9.5/10

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.

Driving force

David

ReviseMe

10/10

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.

Exceptional development company

Rick

LidekaHome

9/10

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.

Innovative and Transparent Software Development

Fred

SuperSpacesAI

9/10

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!

Efficient and Reliable App Development

Roel

HSI Installations

At Rocksolid, we take pride in the technology we use for our web apps. Our goal is to stay at the forefront of technological innovation.

For backend development, we use powerful programming languages such as Laravel/PHP, Go, and Node.js. On the frontend, we use technologies like React, Vue, Next.js, and Tailwind to create interactive and user-friendly interfaces.

This combination of advanced technologies enables us to build software that is efficient, scalable, and secure. Fully tailored to the unique needs of your business.

In short: Applications accessible through a web browser. Our web apps are full-featured, making them incredibly easy and fast to use. They can handle large amounts of data and users simultaneously without sacrificing performance. They're also easy to update and maintain, essential for companies focused on optimal customer experience.

We create web applications as technical solutions for a wide range of problems. They can often be integrated with other online services and APIs, enabling seamless data exchange and workflow. Think cloud-based CRMs or project management tools tailored to your business.

We don’t just build solutions. We build the future of your company. Our secure and scalable software aligns perfectly with the needs of your ideal client. Not just today, but well into the future.

Web applications are ideal for information and communication such as blogs, news sites, forums, and discussion platforms where users share knowledge and engage in dialogue. In healthcare, health monitoring apps improve access to remote care. Streaming services and online games use web apps to offer a seamless and engaging experience.

Productivity tools like Asana, Trello, Google Workspace, and Microsoft 365 help manage projects and team collaboration. CRM and analytics tools provide insights and support data-driven decisions. In education, e-learning platforms and virtual classrooms offer interactive ways to gain knowledge.

AI, machine learning, and IoT are increasingly integrated into web apps enabling smart recommendations, efficient data analysis, and connected devices. CMS platforms like WordPress and Joomla make it easy to manage and publish content without technical knowledge.

Service-oriented apps like booking systems and online banking make reservations and financial transactions easy. Web applications are versatile tools that can be used for anything from sharing information to managing complex workflows.

With the right features in place, web apps drive efficiency, reduce expenses, enhance customer engagement, and give businesses a competitive edge.

Pricing depends on the scope, features, and integrations involved. That said, a smartly designed web application often pays for itself by saving time, reducing errors, and improving customer experience.

The return on investment of a web application

  • Less manual work → lower personnel costs
  • Automated processes → faster turnaround times
  • Better insights and reports → smarter decision-making
  • System integrations → fewer errors and less duplicate work
  • Customer self-service → higher satisfaction and reduced support load

With your budget as our guide, we can start off with an MVP that delivers value quickly and gives you room to grow.

Wondering how we can support your growth?

Discover how we can bring your digital vision to life. Contact us today for a free consultation.

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Mark is ready to answer all your questions.

Contact us