Agile Custom Application Development Company for Microsoft-Centric Enterprises

What Does Working with an Agile Software Development Company Look Like?

Working with i3solutions as your agile software development company means senior, U.S.-based teams building your application in short, fixed iterations: requirements captured as user stories, working software delivered every sprint, and progress reviewed in scheduled demos. Engagements run on the Microsoft stack, including .NET, Azure, SQL Server, SharePoint, and the Power Platform.

How the engagement is structured. Work begins with a scoped backlog rather than a long requirements document. User stories are written with acceptance criteria, prioritized with your product owner, and sized into sprints. Sprint length is set at kickoff and stays fixed, so delivery pace is measurable from the first iteration. Every sprint closes with a demo of working software and a review of what changed, which means progress is visible in the application itself, not in status reports.

What you receive besides code. Each sprint produces artifacts your governance process can use: a maintained backlog with acceptance criteria, sprint review notes, test evidence, and release documentation. When the application reaches production, the record needed for audit, support, and handoff already exists because it was produced during delivery, not reconstructed afterward. For IT leaders who answer to steering committees, that record is the difference between reporting progress and proving it.

A documented example. An aerospace manufacturer relied on an Excel-based proposal valuation tool that created version control problems, inconsistent calculations, and rework. i3solutions rebuilt it as a web application using an Agile approach, adapting to changing requirements sprint by sprint, on ASP.NET, Entity Framework, SQL Server 2022, and Power BI. The documented results: rework reduced by 30 percent, saving approximately $250,000 annually; engineers saving an average of 8 hours per month each, worth over $1.1 million annually; and approval turnaround reduced from five days to one.

Where this model fits. Agile custom application development suits organizations that cannot absorb a long, opaque build: regulated environments where every release needs evidence, teams replacing spreadsheet-based tools that have outgrown their controls, and IT departments that want software they can evaluate at every sprint instead of a single delivery at the end. It also fits programs where requirements are expected to change, because change is priced into the cadence rather than handled as an exception.

As an agile software development company, i3solutions has delivered 834 custom developed solutions over more than 25 years in business, with a 92 percent repeat business rating. Those figures come from the same delivery model described here: short iterations, visible progress, and documentation produced as the work happens.

What kinds of custom applications does i3Solutions build for Microsoft-centric enterprises?

i3Solutions builds line-of-business web applications, legacy system modernizations, approval and workflow systems, and customer and partner portals for Microsoft-centric enterprises in regulated industries. Each one runs on the Microsoft stack, including .NET, SharePoint, the Power Platform, Azure, and SQL Server, and is delivered in short, reviewable iterations so stakeholders see working software early instead of at the end.

Most engagements follow a few patterns. Legacy modernization replaces brittle tools, such as spreadsheet-driven processes, with governed web applications that hold validated logic, role-based access, and an audit trail. Custom line-of-business applications give a team one system for work that was scattered across email, files, and disconnected tools. Integration projects connect those applications to the systems around them, from Microsoft 365 and Dynamics to line-of-business databases, so data stays consistent and decisions come from one source. Reporting and analytics dashboards turn that consolidated data into views leadership can act on.

The pattern is measurable. For a global aerospace and defense manufacturer, i3Solutions modernized a legacy Excel-based estimating tool into a secure web application on the Microsoft stack with SQL Server 2022. Validated logic and role-based access replaced broken formulas and unauthorized edits across hundreds of estimates each year. Approval cycles that once took up to five days now take one, engineers save about eight hours each per month, and the organization reports over $1.1 million in annual productivity gains.

Because the work moves in short iterations, scope and priorities can change before budget is committed, and each release is small enough to review. For regulated organizations, that cadence is also a control: requirements, decisions, and sign-offs are recorded as the application takes shape, so the delivery itself produces the documentation an audit or a board review will later ask for.

Engagements run as fixed-scope projects or as an ongoing development team, staffed by U.S.-based senior engineers and working inside your existing Microsoft environment rather than around it. The result is software that does the work it was built for, with a defensible record of how it was delivered.

About the Author

By Scott Singleton — Managing Consultant, i3solutions

Scott Singleton has spent more than 19 years at i3solutions and more than 30 years designing, developing, migrating, and implementing enterprise technology solutions. His expertise is grounded in SharePoint architecture, large-scale migration, custom application development, workflow modernization, technical training, and hands-on delivery across Microsoft platforms, including SharePoint, SPFx, Power Apps, Power Automate, Power BI, and enterprise database systems.