Government agencies are at a crossroads. People expect digital services that work the way their bank’s app works. Many agencies are still running on systems built decades ago, maintained by a shrinking pool of staff who remember how they were built. When those people retire, institutional knowledge walks out the door with them.

And the stakes are different in government. When a commercial app goes down, someone’s annoyed. When an agency’s system fails, someone can’t access benefits, meet a filing deadline, or reach a program they urgently need.

That’s the real problem modernization needs to solve: keeping services working while moving to something better.

Start With What’s Actually in Your CMS

Agencies often treat modernization as a technology swap. Remove the old CMS, install a new one. Done.

But modernizing legacy government systems means not only updating or replacing software. Your CMS represents years of accumulated decisions about content structure, permissions, workflows, and integrations with other systems. Before anyone touches technology, you need a clear picture of what’s actually there. That means conducting a thorough audit that answers questions like: 

• What content exists, who uses it, why do they use it, and what would break if it disappeared? 
• What does our team’s daily workflow depend on? 
• What data flows into or out of our current system? 
• Where are the manual workarounds that nobody talks about but everyone relies on?

This discovery work is less interesting than a platform launch. However, it’s also what separates a successful modernization from an expensive reset a few years later.

Choose a Strategy That Fits Your Constraints

There’s no universal playbook for a government agency’s digital transformation. The right approach depends on your timeline, budget, team capacity, and how much risk you can absorb. Three models are worth knowing:

Phased migration moves services to the new platform in stages rather than all at once. Teams learn, adapt, and course-correct without everything riding on a single cutover. This is the most forgiving approach and works well for agencies with complex service portfolios.

Parallel operation runs old and new systems side by side for a defined period, letting staff transition at a sustainable pace with a fallback in place. It’s resource-intensive, but for high-stakes services it’s often worth the cost.

Big bang migration moves everything at once. Highest risk, fastest resolution. Only appropriate for smaller agencies with simpler systems, where an extended transition actually creates more exposure than a clean cutover.

Most government agencies will find phased migration fits their reality best. It accommodates procurement cycles, staff capacity, and the political visibility of public-facing services. Progress is slower, but risk is distributed.

Design for the People Doing the Work

Modernization projects fail when they’re driven by technology objectives. The agencies that get it right treat digital modernization as a service improvement effort first and a technical project second.

Understanding how people actually use your current system has to come before designing the replacement. Where do constituents drop off or call the help desk? What do staff wish they could do that the current system prevents? Where do things break in ways that have become so routine nobody calls them problems anymore?

Furthermore, accessibility isn’t a compliance box to check at the end. Government digital services must meet WCAG standards because public services have to work for everyone. Modern platforms make this achievable, but only if accessibility is part of the design process from the beginning.

Treat Change Management as Seriously as the Technical Work

Technology is often the easier half. Helping people adapt to it is where most modernization efforts run into trouble. Staff who’ve worked with the same tools for years need time and support to build confidence with new ones. Training that starts too late or stays too shallow produces anxious teams that default to workarounds. Peer champions inside each group, staff who are genuinely excited about the new system and can support their colleagues through the transition, are worth identifying early.

Public communication matters too. If a service will be temporarily unavailable or look different, constituents deserve to know in advance. Agencies that communicate proactively maintain trust. Agencies that go dark until launch day often find themselves managing a crisis instead of celebrating a success.

Plan for What Comes After the Launch

A successful launch is not the finish line.

Modern digital services require ongoing investment: content governance, platform updates, performance monitoring, and continuous improvement based on what users are actually doing. Agencies that treat a website launch as a one-time project rather than the start of a sustained program end up back in the same position five years later, maintaining a system that no longer meets user needs.

Building governance from the beginning is what makes the investment stick: who owns what content, how updates get reviewed, and whether the site is actually meeting user needs.

Forum One helps government agencies work through each of these decisions, from the initial discovery work through implementation and beyond. If your agency is thinking about what modernization looks like in your context, we’d like to talk.