By: Lindsey Chastain

In the first few months after a merger or reorg, there’s a lot of uncertainty. Teams are trying to determine their current standing. Customers want to know that service won’t slip. Executives are under pressure to show progress. The first 90 days are often framed as a chance to set the tone—but they also reveal how much work it will take to bring people together truly. Can two teams with different working styles, cultures, and priorities actually move forward as one?

It’s possible, but it requires intentional effort. Alignment typically doesn’t come from a single kickoff meeting or a set of bullet points on a slide. It’s built over time through repeated signals, small wins, and clear structures that help people understand how to work together.

Start With the Vision, Not the Org Chart

Too often, post M&A integration begins with who reports to whom. But alignment starts with why. People need to understand the purpose of the change, not just the mechanics. What is the company trying to achieve? What problem are we solving better together than we could apart?

“People don’t rally around structure. They rally around purpose,” says Dr. D Sangeeta, CEO of Gotara. “If the vision is compelling, clear, and consistent, the structure will follow, but if the vision is vague or does not create an emotional connection that people want to be a part of, even the best org chart won’t hold things together.”

Leaders who can clearly explain this—early and often—give their teams a foundation to build on. That narrative doesn’t need to be excellent. It does need to have an outside-in perspective – describing how the organization will help customers and be compelling enough that people want to be a part of it. Keep the language simple and repeat it at every opportunity so it sticks.

Translate Vision Into Real Work

Once the vision is in place, the challenge becomes turning it into action. This is where many integrations lose steam. Teams might agree with the big-picture transformation goals needed to achieve the vision, but keep operating the same way they always have. Old habits and legacy metrics linger, creating friction beneath the surface.

Leaders can bridge that gap by connecting the vision, the strategy, and the strategic objectives to the work already underway. That means helping teams link objectives to specific projects, adjust roadmaps, stop work that does not align, and understand where trade-offs will need to happen. It’s not simply a one-way exercise. The people doing the work often have the clearest view of where priorities overlap, where handoffs are clunky, and where a few small changes could make a big impact. Bringing them into the process early builds trust—and surfaces issues before they become real blockers.

Build Shared Language and Rituals

In post M&A integrations, when two teams come together, they bring more than tools and processes. They bring language, habits, and ways of working that feel normal to them. Left unchecked, these differences can cause friction. Not because one side is wrong, but because people are working from different assumptions.

Creating shared rituals—like how meetings are run, how progress is reported, or how success is defined—gives everyone a new baseline. It reduces guesswork and creates space for collaboration. Over time, these routines build trust and reinforce the new culture.

Fix the Pain Points That Block Progress

In every post M&A integration, there are small frustrations that slow people down. A permissions issue. A tool mismatch. A delay in getting access to shared data. Addressing these issues quickly sends a clear message: leadership is paying attention.

You don’t have to solve everything in the first few weeks. But identifying and removing a few common blockers can build momentum. It also shows that integration isn’t just about structure—it’s about enabling people to do their jobs more effectively.

Close the Loop on Feedback

During the first 90 days, leaders should expect a steady stream of questions, concerns, and suggestions. That’s a good sign. It means people are engaged and want the new structure to work. But feedback is only helpful if it leads somewhere.

Even if every request can’t be acted on, closing the loop matters. Let people know they were heard. Share what decisions were made and why. That kind of transparency goes a long way toward building credibility.

Keep the Customer Front and Center

With so much internal change, it’s easy to lose sight of the customer. However, effective transformations may improve both the customer experience and internal operations. That perspective should guide integration decisions from day one.

Dr. Sangeeta puts it this way: “When teams focus too much on internal alignment and forget who they’re serving, integration stalls. But when the customer is the common focus, alignment happens faster. People are willing to change if they understand how it improves outcomes for the people they’re serving.”

By anchoring integration efforts to real customer needs—through feedback loops, support metrics, or product usage data—leaders help teams see the value of working as one.

Focus on One Culture, Not a Winner

Culture clashes are common after a merger or reorg. The mistake many companies make is assuming one culture will simply absorb the other, or ignoring the culture clashes altogether. That rarely works. It breeds resentment and slows adoption.

Instead, consider using the first 90 days to help shape a shared culture. Preserve the strengths of both sides. Name what’s changing. Celebrate small signs of progress. These are the signals people watch closely. They want to know whether this is just a structural change or the beginning of something better.

“Real alignment comes when people stop asking, ‘Are we still us?’ and start saying, ‘This is who we are now,'” says Sangeeta. “You can’t rush that, but you can help it take shape.”

Alignment Is a Daily Practice

The work of integration doesn’t end after a quarter. But the first 90 days are your chance to set the tone. Clear vision, consistent communication, and attention to detail all help turn big strategic goals into something teams can actually deliver.

Alignment isn’t a one-time announcement. It’s something you build day by day, decision by decision, until working as one team becomes the norm, not the exception.