Nothing requires a sale to be one hundred percent.
A company can sell twenty percent, or eighty, or anything between. An owner can take significant money off the table and keep a stake. A family can buy out the members who want cash and keep the ones who want to stay. A business can bring in capital to grow faster than it could alone while the founder keeps control.
Owners rarely consider any of it, because the question they asked themselves was whether to sell, and that question only has two answers.
The problems a full sale cannot solve
Four of them, and each one is common.
You want out of the risk, not out of the business. Most of your net worth is in one company. Selling part of it converts some of that into money that is not exposed to one customer, one product line, or one bad year, and you keep running the thing.
Some owners want cash and others want to stay. Siblings, cofounders, early partners, an inactive shareholder who has been waiting a decade. A full sale is the only way to settle that if the only transaction available is a full sale.
You need capital and you do not want debt. Growth that requires a facility, a product line, or a sales organization is not always fundable out of cash flow, and not always sensible to borrow against.
The next owner should be the person already running it. Sometimes the right successor is inside the company and cannot write the check themselves.
Who does these transactions
Financial buyers, mostly, and they are entirely comfortable with it. A private equity firm, a family office, an independent sponsor, or a search fund buying a majority and keeping the existing leadership in place is an ordinary transaction, not a favor.
That is worth sitting with, because it inverts a common assumption. Owners often think institutional capital is the option that takes everything and changes everything. It is frequently the only option that will let you keep part of what you built and still get paid.
What it looked like in practice
Illustrative. A specialty pharmacy was owned by its founder and three of his children, one of whom ran the compounding side and two of whom had never worked there. A third of the equity had already moved to the children. The founder wanted to retire and felt he could not do that without getting the two uninvolved children paid. The one who ran compounding wanted to run the whole thing rather than sell it.
A financial buyer solved it. The founder and the two uninvolved children were bought out of a majority. The operator became chief executive and kept a meaningful stake, with people on her board who had run far larger pharmacy networks than she had.
That transaction solved four different problems for four different people. None of them would have been solved by a hundred percent sale to the highest bidder.
What changes when you keep a stake
This is the part that gets underweighted, and it is the reason a partial sale is not a smaller version of a full one.
You now have a partner. There is a governance structure, a board, reporting obligations, and somebody with a view about capital allocation who did not have one before. There are consent rights over decisions you used to make alone. There is a second transaction in your future, because the buyer has one, and the terms that govern what happens to your remaining shares when that day arrives get written now, years before it.
What your minority stake is actually worth depends on those terms rather than on math. Whether you are carried along on the same price, whether you can be bought out earlier, whether you can be diluted, what happens if you leave or are asked to: all negotiated, all in the documents, and all of it decided at a point in the process where the owner is usually thinking about the headline number.
The headline number is not the comparison
A full sale and a partial sale are not comparable on price, and owners try to compare them anyway.
A hundred percent at one number, against sixty percent at another plus a retained stake plus a seat at the table plus whatever the business becomes: those are different shapes, with different risk, different timing, and different tax treatment. The honest comparison requires modelling both, which is work, and the reason most owners never make the comparison is that nobody did the work for them.
What getting it wrong costs
Two versions, and they are opposites.
An owner who never learns the option exists sells all of it, retires, and finds out in year two that what they actually wanted was less exposure and fewer hours rather than no company. There is no undo on that.
An owner who takes the option without negotiating the minority terms keeps a stake they cannot sell, cannot protect from dilution, and cannot force a decision about. A retained interest on bad terms is not ownership. It is a receivable with no due date, and it was fully negotiable on the day it was created.
More on this: Who Actually Buys Businesses Like Yours.
This is what we do. Prism Edge models the alternatives side by side before anything goes to market: what a full sale produces, what a majority sale plus a retained stake produces, and what each one does to your risk, your role, and your timing. Then it negotiates the terms attached to whatever you keep, which is where the value of a partial sale is either protected or quietly given away.
The full chapter on who actually buys companies, and what each type of buyer will and will not do, is in The Business Sale, free to download here.
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