Nicole Jurke, head of people & culture, Bench Media.
Clients rarely leave agencies because results collapse. Most agencies deliver solid outcomes; employ smart people and create work that does what it is supposed to do. If results alone determined retention, this industry would be far more stable and far less confusing.
So why do clients keep leaving?
From my observations, a client exit is more about how the agency relationship starts to feel.
Familiar faces disappear, context gets lost, and momentum slows. What once felt easy becomes hard work, calls get shorter, decisions take longer, and trust quietly thins.
And both the agency and the client can feel when that shift happens.
I have spent most of my career working in People and Culture and close to a decade in media agencies. Over time, one thing has become very clear and that is, culture is no longer an internal issue, it is a commercial one. Clients might not label it as culture, but they experience it every time they are required to re-brief, reset expectations, or rebuild trust with a new team.
Marketing leaders are under enormous pressure, managing tight budgets, high expectations and limited timeframes. What CMOs no longer have patience for is friction. They do not want to manage dysfunction or keep starting again, they want agency teams that work well together and make progress feel easy.
This isn’t just anecdotal. The data supports it.
Gallup’s State of the Global Workplace report shows global employee engagement sitting at just 21 percent, with manager engagement only marginally higher. Disengaged teams do not collaborate well. They stay in their lanes, avoid tension, and default to safe execution instead of strong thinking.
Burnout compounds the problem. Research from Deloitte shows burnout is one of the leading reasons people leave professional services roles. In agencies, burnout doesn’t only affect the individual, it breaks team continuity, disrupts rhythm, and clients feel the impact very quickly.
That is the reality many clients are living with, even if they do not always articulate it that way.
So, what are clients looking for now?
They’re not chasing perfection; they’re looking for agencies where teams genuinely work well together. Where people stay long enough to build trust, context, and momentum, where collaboration is real, not performative, and where challenge is welcomed rather than avoided.
A true agency partner doesn’t just nod and deliver. They challenge briefs that don’t make sense and question assumptions that no longer hold. They are willing to say, “that’s not going to work,” however uncomfortable it feels.
Agencies who say yes and agree with the client every time can feel easier at first.
They move quickly, and avoid tension, but over time, that turns into risk aversion. Teams stop challenging the client, the strategy, and settle for the status quo. The work may still get done, but the value of the relationship slowly drains away.
This is why nimble agencies with real depth resonate. Not because small is inherently better, but because depth allows teams to find their rhythm. People understand how each other works, anticipate issues, and challenge constructively without it becoming personal. Progress happens without constant friction.
The World Federation of Advertisers has consistently pointed to trust and strategic contribution as the foundations of long-term agency partnerships. Trust does not come from constant agreement. It comes from teams that work well together and are confident enough to say the hard things.
Which brings me to my core belief. Culture is not a side project. It is not a people initiative. It is the operating system of an agency, that determines how decisions are made, how pressure is handled, and whether teams move forward or quietly fall apart.
Healthy agency cultures create teams that work well together and in turn teams that work well together deliver better outcomes, build trust, and create momentum. And ultimately trust is what keeps clients and grows relationships over time.
The agencies that will grow in 2026 will be the ones that treat culture as a core business pillar.
An agency where leaders design for retention, not churn; where teams are resourced to think, not just deliver; and where challenge is expected and disagreement is productive; and pressure does not fracture the room. These agencies will feel different to work with because they are different to work within.
And clients will reward that. Because in the end, clients do not leave because the work failed; they leave because the relationship became exhausting. Culture is the differentiator and agencies that understand this will stop chasing retention through output alone and start earning it through experience.
Not by saying yes more often, but by working better together, under pressure, when it matters most.