Custom Software & Web Application Development

Innovative and Powerful Solutions


We build powerful solutions that tame business complexity.

A lot of development shops can build you a web application. We’re certainly one of them. But there are few who can develop game-changing custom software solution that will really drive results. Welcome to our wheelhouse.

Whether your needs are simple or snarly, whether you’re looking for a little custom flair on a digital experience or full-on integration with critical business systems, you can rest easy that we know custom application development from start to finish.




Trusted by innovative companies across diverse industries 

We have experience building powerful cloud-based software, web applications and mobile apps for clients located in Madison, Milwaukee, Ohio and Chicago across these industries: Life Sciences, Financial, Education, Manufacturing, Online Retailers, Startups and smaller, but highly specialized companies.








Over two decades of depth designing and building custom applications

With expertise ranging from platform integrations to full-stack custom software development, our 100% US-based team of architects, creatives, UX designers, .NET developers, database and security engineers, and business analysts brings significant experience in software application development.




Web Application Development

We use best practices and leading-edge thinking to design and build custom web applications for niche, commercial, or enterprise use.



Mobile App Development

We build progressive web applications (PWAs) that are lightweight, adaptive on multiple devices, and can even work without connectivity.




System Integrations

From tax and payment, to shipping, to CRM and marketing, we’re API whisperers and can architect clean and scalable integrations with your business-critical systems.




Business Analysis &
UX Design

It's not enough to just build software that works. We build human-centric software that solves the right problems, designed to be intuitive and easy to use.



IT & Development
Team Extension

Extend your internal software development team with our skilled front-end and server-side developers, QA engineers, and IT professionals.




Architecture & Solution Consulting

Our expert team brings significant project experience and a portfolio of technologies to provide insights and strategy to your development project. 







This is the best software development team I have worked with
in my 40 year career.
Scott Fulton, CEO
- Cellara



This is the best software development team I have worked with in my 40 year career.

Scott Fulton, CEO



Our Application Development Approach

We embrace flexibility to solve problems.

Doesn’t matter if the project you bring us is limited in scope and straightforward, or big and complex. We’re ready to roll up our sleeves and make things happen. The results we get for our customers speak for themselves.

Our approach:

  • We're fully engaged, great listeners, and ask good questions
  • Our Agile approach allows us to build as we go
  • We give you a dedicated product team
  • Flexibility allows us to adapt to changing needs
  • We uncover and recommend the right technical solution for you
Custom Software Development







Broad Technology Expertise

.NET is our cornerstone, but it’s just one thing we do.

You won’t need any technical experience or software development knowledge to work with us. You can trust us to lead the way. However, if you’re technical and need to talk programming languages, APIs and frameworks, we can do that too. Here’s a sampling of what we do:

.NET | C# | MVC | RAZR | VB.NET | VB | PHP | JavaScript | jQuery | Angular JS | NodeJS | HTML5 | CSS |  Bootstrap | jQuery mobile | JSON | XML | XSLT







Integrations and Third-Party Tools

We love connecting software.
Designing and building efficient, accurate, and reliable solutions typically requires multiple system integrations. We already have a large portfolio of data API integrations that make business-critical functions easy, and are more than comfortable diving into more. Here are just a few that are already in our wheelhouse:

  • EDI, RESTful, SoaP, API, JSON
  • Tax systems
  • Payment gateways
  • Shipping
  • CRMs and ERPs
  • Marketing and analytics
Systems Integration

Microsoft Azure





IT & Cloud Applications

Data security and scalability matter as much as the code.
Some development shops build great web applications, but fall short when it comes to deploying it to the cloud. 

As a Microsoft Partner, Azure is our backyard. We use a full spectrum of Azure services, including: Service Bus, Web Apps, Virtual Machines, Blob/File Storage, Encryption, Virtual Networks/Subnets, Network Security Groups, Virtual Gateways and site-site VPN, and CDN.

When you partner with Acumium, you’ll sleep easy knowing your servers can withstand Super Bowl-level traffic, and beyond.




Let's build something that takes your business to the next level.



Whether you need a development partner to help modernize a legacy software system, build a custom business application from scratch, or take your idea to market via a commercial software product, we’re the right partner to tackle the challenge.