Custom software for accountants

We develop smart software solutions that make the work of accountants and administrators more efficient and clear. From client portals to automated reporting.

  • Real-time reports and dashboards
  • Automation of recurring processes
  • Client portals for communication and documents
Mark
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10+

+10 years of experience

50+

Successful projects

10/10

Rating

20M+

Lines of code

Why custom software for accountants?

Many accountants work with a mix of accounting software, Excel spreadsheets, and email. This costs time, leads to mistakes, and often feels inefficient. Custom software brings structure, speed, and clarity to your workflows.

Think dashboards for clients, automated file creation, integrated checklists, or reports you can generate with one click — all tailored to how your firm operates.

Client portals for document submission

Dashboards with KPIs, progress, and deadlines

Automated reports and financial statements

Internal checklist and audit tools

Integrations with software like Exact, Twinfield, or Yuki

Secure, scalable, and efficient setup

How we work

We start with a quick analysis of your current workflow. Then we build a solution that fits your needs perfectly. First an MVP, then we expand as needed.

Introduction

Together, we dive straight into a creative session where we discuss dreams, ideas, and innovative solutions. With a fresh dose of inspiration, we kick off our collaboration, focused on ambitious yet achievable goals.

Design and sprint

We get started right away! After our inspiring session, we present an initial concept. As soon as you give the green light, we immediately begin the first sprint and take the first steps toward your software.

Software setup

We set up a seamless staging environment to ensure a smooth transition from development to production. Here, we thoroughly test all new features and updates to ensure they meet the highest quality standards before going live.

Development

Our team of experts dives into designing and building intuitive, user-friendly software. We make sure every feature aligns perfectly with your needs and those of your users.

Launch

The moment of truth: We go live! After an intensive testing phase, we launch the software or web application, ready to impress users with new features and capabilities.

Monitoring & updates

Our involvement doesn’t stop at launch. We continuously monitor the software and roll out updates to ensure optimal performance.

Continuous development

We keep building! Ongoing sprints deliver new results and innovative solutions. Your software grows with your business and stays aligned with the changing needs of your users.

Our principes

Rocksolid Office

Why choose Rocksolid?

We are a team of experienced professionals who elevate your organization with thoughtful, high-quality software. From the very first idea, we actively think along with you — from strategy and design to development and continuous improvement. Thanks to our streamlined approach and flexible mindset, we can move quickly and build solutions that truly match your organization and users.

Mark
Or send us a message

Security

We perform thorough security analyses and regular updates to ensure your software is protected against the latest threats. This ensures a secure and reliable user experience.

Optimization

We ensure speed and efficiency through continuous analysis and improvement. From load times and responsiveness to overall usability, we deliver an optimized application that scales with your business.

Scalability

We design software that can grow with your company, handling high traffic and an increasing number of users without sacrificing performance.

Technologie

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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

Our software runs on proven technologies like Laravel, Node.js, and React. This allows us to build scalable solutions that integrate easily with your existing accounting package.

We ensure a clean design, fast load times, and intuitive interfaces that work well both internally and externally.

Custom software can support accountants with:

  • Client portals for document uploads
  • Automated reporting by client or sector
  • Internal planning and progress tools
  • Checklists and tasks for compliance and audits
  • Integration with accounting software
  • Digital file management

The investment depends on your needs, but we often start with a compact solution that delivers immediate value — such as a portal or reporting tool.

Some tangible benefits:

  • Efficiency → less manual work
  • Quality → fewer errors and better oversight
  • Client satisfaction → clearer communication

Curious how we can help you?

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

Team on CTA

Mark is ready to answer all your questions.

Contact us