What Happens If You Don’t Have a Partnership Agreement in Ontario?
- Sep 9, 2025
- 3 min read
Most partnerships don’t start with a legal document.
They start with trust.
Two people decide to work together. There is a general understanding of how things will operate, how money will be shared, and how decisions will be made.
At that stage, a formal agreement often feels unnecessary.
In practice, this is exactly where problems begin.

You Are Still Operating Under Legal Rules
If you do not have a written agreement, your partnership is governed by the Partnerships Act (Ontario).
Those rules apply automatically, whether you are aware of them or not.
Most business owners assume they are operating based on what they “agreed verbally.”
They are not.
They are operating under default legal rules that may not reflect how their business actually works.
Profit Sharing Becomes an Issue Faster Than Expected
One of the earliest points of tension is how money is divided.
Under default rules, profits are shared equally, regardless of contribution.
That might seem reasonable at the beginning.
It usually doesn’t stay that way.
Over time, roles shift. One partner may take on more responsibility, work longer hours, or drive more of the business forward. The other may become less involved.
Despite that, the split remains the same.
This is manageable when the numbers are small. It becomes a serious issue once the business starts generating real revenue.
Decision-Making Starts to Break Down
Without a clear structure, both partners have equal authority.
On paper, that sounds balanced.
In practice, it creates friction.
Disagreements around strategy, spending, hiring, or growth are common. Without a defined process for resolving those disagreements, decisions can stall.
The business slows down, not because of the market, but because the owners cannot move forward together.
The Business Can Be Bound Without Both Partners Agreeing
This is one of the most misunderstood risks.
In a partnership, each partner has the ability to bind the business.
That includes signing contracts, taking on obligations, and making commitments to third parties.
We regularly see situations where one partner signs something the other did not approve, and the business is still legally bound.
By the time the issue surfaces, the exposure already exists.
When Someone Wants to Leave, Everything Gets Complicated
At some point, one partner will want to step away.
When that happens, the questions come quickly:
What is the business worth? Who is buying the shares? Can they sell to someone else? How will payment work?
Without an agreement, there are no clear answers.
What should be a structured process turns into a negotiation. Those negotiations are rarely smooth, especially when expectations were never aligned to begin with.
The Business Can Get Stuck
Where partners disagree and there is no mechanism to resolve it, the business can reach a standstill.
There is no tie-breaker. No escalation process. No agreed way forward.
Decisions are delayed. Opportunities are missed. Day-to-day operations become more difficult than they should be.
This is particularly common in equal partnerships.
Personal Liability Is Often Overlooked
Many partners don’t fully appreciate this at the outset.
In a general partnership, you can be personally liable for the obligations of the business.
More importantly, your partner’s actions can expose you to that liability.
This risk is not limited to internal disagreements. It extends to external commitments made on behalf of the business.
These Problems Don’t Show Up on Day One
At the beginning, everything feels aligned.
The business is smaller. Decisions are easier. The relationship is strong.
As the business grows, things change.
Revenue increases. Roles evolve. Priorities shift.
That is when the gaps in structure become visible.
Fixing It Later Is Much Harder
Once issues arise, the conversation is no longer neutral.
Each partner is protecting their position.
Trust may already be affected. Expectations are no longer aligned.
At that point, you are not structuring a business relationship.
You are trying to resolve a dispute.
What a Partnership Agreement Actually Does
A properly structured partnership agreement does not eliminate risk.
It does something more important.
It creates clarity.
It defines how money is shared, how decisions are made, how changes are handled, and what happens if someone leaves.
Without it, you are relying on default rules that were never designed for your specific business.
Book a Consultation
If you are already operating without an agreement, or your current arrangement does not reflect how your business actually works, it is often worth addressing this early.
In most cases, these issues can be identified and structured properly through a short discussion, and you can Book a Consultation here to walk through your situation.



