When the Partnership Changes: What Advisors Need to Know About Buy-Sell Agreements

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A business can be profitable, well managed, and growing, yet one unexpected event involving a co-owner can put its future at risk if the owners have never agreed on what happens next.

For advisors, a missing or outdated buy-sell agreement is more than a legal-document issue. It can create uncertainty around ownership, valuation, liquidity, succession, and ultimately the owner’s ability to execute an exit strategy.

A recent article from Exit On Top breaks down how buy-sell agreements establish rules for ownership transitions, valuation, and funding when a triggering event affects a business partner.

Here is what advisors working with owners of closely held businesses need to understand:

Buy-Sell Planning Should Begin Before a Triggering Event

A buy-sell agreement establishes what happens to an owner’s interest when events such as death, permanent disability, retirement, voluntary departure, divorce, bankruptcy, or other defined circumstances occur. It can specify who may purchase the interest, how the price will be determined, and the terms of the transaction.

The advisor’s opportunity is to raise these questions while owners are aligned and able to make deliberate decisions. Without an established framework, partners may be forced to negotiate during grief, financial pressure, or conflict.

Advisors should also recognize when a client’s agreement may no longer reflect the business, ownership group, or owners’ current objectives.

Structure and Funding Need to Work Together

The source article identifies three common structures: cross-purchase, entity purchase, and hybrid or wait-and-see agreements. Each determines whether the remaining owners, the company, or some combination of the two will purchase a departing owner’s interest.

But documenting the buyer is only part of the planning. The purchase also needs to be financially executable.

Life insurance is a common funding mechanism for death. Other triggering events may require installment payments, seller financing, personal capital, business cash flow, or a combination of funding sources. Advisors should help ensure that the agreement’s obligations and the available funding strategy make sense together.

The Valuation Provision Deserves Particular Attention

Valuation is one of the most consequential provisions because it determines what a departing owner or estate receives. Common approaches include a fixed price, predetermined formula, or independent appraisal.

Each introduces different risks. Fixed prices can become stale if owners fail to update them. Formulas provide consistency but may diverge from market value as the company or industry changes. Independent appraisals can better reflect fair market value but require a process for resolving conflicting conclusions.

Advisors should encourage owners to understand not only the valuation method written into the agreement, but whether it still produces a reasonable result.

Buy-Sell Agreements Are a Multidisciplinary Planning Issue

A well-designed agreement touches legal structure, business valuation, taxes, insurance, liquidity, estate planning, and succession. That makes it difficult for any one advisor to address effectively in isolation.

Attorneys can draft and interpret the agreement, valuation professionals can inform the pricing mechanism, CPAs can evaluate tax considerations, and wealth and insurance advisors can help assess funding and personal financial implications. M&A and exit planning advisors can ensure these decisions support the owner’s broader transition objectives.

That coordinated approach reflects the multidisciplinary collaboration XPX encourages. The goal is not simply to have a buy-sell agreement on file. It is to have an agreement that can actually work when the business and its owners need it.

Read the full article here:
What Is a Buy-Sell Agreement and Why Every Business Owner With a Partner Needs One

Updated: Tue, Sep 1, 2026 at 7:34 AM
About the author
View Eric Togneri

Eric Togneri is co-founder of Exit On Top and Managing Director of Neri Capital Partners. A Certified Exit Planning Advisor (CEPA) and co-founder of XPX Atlanta, Eric specializes in helping lower middle market business owners in healthcare, consumer products, and retail maximize value and exit on their terms.