By Sally Pritchett
CEO
Mergers don’t fail on strategy. They stall when people don’t know how to operate in the new organisation. Here’s how THRIVE helps close that gap.
Mergers and acquisitions promise growth, efficiency and new capability. But the real challenge begins after day one, when people and cultures need to come together. How do you help people understand how to operate in a new organisation?
When two businesses combine, they bring different cultures, expectations and ways of working. Leaders are often ready to move forward, having spent months shaping the deal. Employees, on the other hand, are still working through what the change means for their role, their team and their future. Uncertainty builds, assumptions fill the gaps and behaviours don’t shift in the way the organisation expects.
The challenge is not simply to communicate what is changing. It is to help people understand how the new organisation works, what is expected of them and how they fit within it.
Our proprietary THRIVE methodology provides a practical way to focus that effort, helping organisations build fairer, healthier and happier workplaces by elevating how they communicate with their people. Working through the six interconnected pillars – Talent, Human, Roadmap, Inclusion, Values and Experience – enables communication to act as the golden thread after a merger or acquisition.
Talent: recognising that the deal has changed for employees
A merger changes the psychological contract, whether it is acknowledged or not. While leadership may be focused on future opportunities, employees are often reassessing what they are part of and whether it still works for them. Career paths may feel less certain, expectations may shift and what once felt stable can quickly become unclear. If that shift is not addressed directly, people will draw their own conclusions about what the change means for them.
Communication needs to:
- Clearly acknowledge what has changed, not just what is staying the same
- Set realistic expectations about what employees can expect going forward
- Reduce ambiguity before people fill the gaps themselves
Human: understanding how people are experiencing the merger
Mergers are often communicated as structured, logical processes. In reality, employees experience them as uncertainty, ambiguity and, at times, loss of control.
While communication may focus on sharing updates, it can miss the underlying concerns people are working through day to day. The questions that matter most are often the ones not being asked openly.
Communication should:
- Surface the real concerns and questions people may not be raising openly
- Create opportunities for two-way dialogue, not just top-down messaging
- Reflect the reality of what people are experiencing, not just the intended narrative
How well are you tuning in to your workforce? Check where a more human approach to communication could make a difference with this diagnostic.
Roadmap: making the integration feel navigable
One of the most common frustrations for employees after a merger is not knowing what is happening next. Day one communications can create momentum and excitement, but they rarely provide enough detail for employees to understand how the change will unfold over time. In the absence of that clarity, people fill the gaps themselves, often with assumptions that don’t align with reality.
Communication needs to:
- Be explicit about what is known, what is not yet clear and what is still evolving
- Break the journey into stages so people can see what changes now and what comes next
- Reinforce progress regularly so the integration feels active, not static
Inclusion: recognising that not everyone experiences the change in the same way
Communication during a merger does not land evenly across the organisation. While some employees feel informed and included, others may hear later, receive partial information or rely on second-hand updates. This is often more pronounced for frontline teams, part-time colleagues, night workers or those temporarily away from the business. Over time, these gaps can lead to very different levels of understanding and trust.
Communication should:
- Reach different audiences in ways that work for how they access information
- Close gaps where some groups are hearing later or less clearly than others
- Create space for questions and feedback across all parts of the workforce
Values: making sure shared values are understood the same way
It is common to identify shared values early in a merger, and on the surface they often appear aligned. However, the way those values are interpreted and applied in practice can differ significantly. Without exploring those differences, organisations risk assuming alignment where it does not fully exist. This can show up later in decision-making, behaviours and expectations.
Communication needs to:
- Translate values into clear, observable behaviours
- Highlight where interpretations may differ across legacy organisations
- Reinforce what “good” looks like in the new organisation through real examples
Experience: aligning what people hear with what they feel
Culture is shaped less by what is said and more by what people experience day to day. In a merged organisation, there are often many signals that still reflect the previous identity. Team structures, ways of working and informal practices can all reinforce a sense that little has changed, even when communication suggests otherwise.
Paying attention to these everyday moments, and ensuring they align with the intended direction, helps communication feel credible and supports integration in practice.
Communication should:
- Align messaging with what employees actually experience day to day
- Call out inconsistencies between what is said and what is happening
- Make the new organisation visible through practical, everyday moments
Where communication turns alignment into action
Mergers do not succeed because leadership is aligned at the top. They succeed when that alignment is clearly communicated and understood across the organisation.
This is where HR and internal communication teams play a defining role. Not just sharing updates, but translating the deal into everyday reality. Helping people understand what has changed, what is expected and how to operate within the new organisation.
If you are preparing for a merger or working through integration, we specialise in strategic people and culture communications, helping organisations translate the deal into something that works in practice for their people.
You can explore the THRIVE methodology here or get in touch to talk through how we can support your integration.