- Silos are the invisible walls between teams that block information, decisions, and goodwill — usually caused by structure and incentives, not bad intent.
- Harvard Business Review research found nearly 75% of cross-functional teams are dysfunctional.
- Breaking silos takes shared goals, cross-functional projects, a common language, and aligned incentives.
- Most fixes are purely structural and stall, because silos are also a human problem — trust and communication between people who don't share a manager.
- PowerProv builds the listening and ensemble-mindset habits cross-functional teams need, with progress tracked by the Personal Power Index™.
Breaking down silos takes three things: a shared goal worth crossing lines for, regular contact between the teams involved, and the people skills to collaborate once they're in the same room. The first two are structural. The third is where most silo-breaking efforts quietly fail — and where PowerProv works.
What Are Organisational Silos?
Organisational silos are the invisible walls between teams, departments, or functions that stop information and cooperation from flowing across them. Sales doesn't know what marketing promised. Engineering builds something product didn't ask for. Each group is busy and competent — and barely connected to the next.
They rarely form from malice. They form from structure: separate reporting lines, separate tools, and incentives that reward each team for hitting its own number, not for helping the team next door hit theirs.
Why Do Silos Hurt Performance?
Because almost everything valuable a company does crosses team lines — and that's exactly where silos cause friction. Work slows down, gets duplicated, or stalls in the gap between two functions that aren't talking.
The scale of the problem is well documented. In a study of 95 teams across 25 leading corporations, Harvard Business Review found that nearly 75% of cross-functional teams are dysfunctional — failing on at least three of five measures, including staying on budget and schedule and meeting customer expectations.
Harvard Business Review (Behnam Tabrizi)
And it's getting harder, not easier. McKinsey notes that breaking down silos remains one of the most persistent organisational challenges, and the pressure to collaborate across functions is only increasing.
How Do You Break Down Silos?
The structural moves are well established. They create the conditions for collaboration:
- Align around a shared goal — define collective outcomes everyone owns, not just departmental targets.
- Run real cross-functional projects — put people from different teams on shared work with clear, measurable goals.
- Build a common language — agree on shared terms for goals and metrics so teams aren't talking past each other.
- Reward collaboration — if incentives only reward functional results, working across lines stays optional.
- Model it from the top — when leaders collaborate across their own peer group, the behaviour cascades down.
These matter. But on their own, they're only half the answer.
Why Communication Skills Are the Missing Piece
You can do everything above and still watch a cross-functional project go quiet. Put five people from five teams in a room, and structure alone won't make them listen to each other, trust an unfamiliar colleague, or build on an idea that wasn't theirs. Those are interpersonal skills — and most silo-breaking plans assume they're already there.
They often aren't. People who don't share a manager, a vocabulary, or a history default to caution and turf-guarding. The structure creates the opportunity to collaborate; the human skills are what turn that opportunity into actual collaboration. PowerProv covers this human side in its work on team dynamics.
Reorganising the org chart is like building a bridge between two islands. Useful — but nobody crosses it if the people on each side don't trust or understand each other. The bridge is structure. The crossing is communication.
How Does PowerProv Help Break Down Silos?
PowerProv puts people from different functions in one room and has them practise the exact behaviours collaboration runs on: listening closely, building on what someone else just offered, and moving as one group toward a shared outcome. Its improv-based exercises are built around an "ensemble mindset" — the idea that the group succeeds together or not at all.
It's not a comedy class and nobody is learning to be funny. Improvisational tools and techniques are simply the most direct way to rehearse cross-team collaboration under mild pressure, and they give a mixed group a shared language and a shared experience to draw on back at work. The fun is real — it's what gets guarded people to drop their guard — but the result is a more connected, communicative team.
“The perfect type of session to run post-COVID. I can't think of a better way to bring a team back together.”— Ryan C., Senior Manager, Bain & Co
Measuring the Change — the Personal Power Index™
Collaboration and listening are two of the skills PowerProv measures through the Personal Power Index™, its ongoing longitudinal study tracking skills before and after workshops since 2023. The large majority of participants report improved collaboration and listening — the underlying behaviours that let cross-functional work happen. Real feedback backs it up in client reviews, and every workshop is covered by a money-back guarantee.
For business leaders who've already tried reorganising their way out of silos, building the people skills underneath is often the step that finally makes collaboration stick.
- Silos are structural and human at the same time. Shared goals, cross-functional projects, and aligned incentives set the stage — but trust and communication between people are what make collaboration real.
- Structure alone stalls. PowerProv builds the listening and ensemble-mindset habits cross-functional teams depend on, with the Personal Power Index™ tracking the change in behaviour.
Tried reorganising and still seeing teams work past each other? Book a free discovery call to find out if PowerProv is the right fit for your team, or see how it works first.
Sources
- 75% of Cross-Functional Teams Are Dysfunctional · Harvard Business Review (Behnam Tabrizi)
- Making collaboration across functions a reality · McKinsey & Company
- Personal Power Index™ · PowerProv
Frequently asked questions
What are organisational silos?
Organisational silos are the invisible walls between teams, departments, or functions that stop information, decisions, and goodwill from flowing across them. They usually form from structure and incentives, not bad intent — when each team is measured only on its own targets, working across lines becomes an act of generosity rather than the default.
Why are silos bad for business?
Because work that crosses team lines slows down or breaks. Harvard Business Review research found nearly 75% of cross-functional teams are dysfunctional, failing on measures like budget, schedule, and customer expectations. Silos lead to duplicated work, slow decisions, and a sluggish response to customers.
How do you break down silos at work?
Align teams around a shared goal, put them on real cross-functional projects, create a common language, and reward collaboration rather than only functional targets. Crucially, build the interpersonal skills — listening, trust, clear communication — that let people work together once the structure allows it.
Why do silo-breaking initiatives fail?
Most focus only on structure — reorganising, new tools, shared metrics — and ignore the human side. You can put people from different teams in the same project and still get silence and turf-guarding if they don't trust each other or communicate well. Structure creates the opportunity; people skills make it work.
How does team building help break down silos?
Good team building puts people from different functions in the same room and has them practise listening, building on each other's ideas, and working as one group. PowerProv does this through improv-based exercises that build a shared language and an ensemble mindset — the habits cross-functional work depends on.
Can you measure whether silos are breaking down?
Yes. Watch for faster cross-team decisions, fewer duplicated efforts, and better handoffs. At the skill level, PowerProv tracks collaboration and listening before and after workshops through its Personal Power Index™, so improvement in the underlying behaviours is measured rather than assumed.
