Stuck two-party deals can move once the sponsor adds a party whose interests change the arithmetic, such as a customer willing to co-fund or a second unit that shares the cost.
An example
Four million dollars of development for a market sales could not size: that was why the head of product development at a medical device maker kept refusing to fund a powered surgical stapler. The general manager of the stapler line had lost two rounds of argument with him. She stopped arguing with him alone. A large hospital system that bought most of its staplers from the company had told sales it wanted powered devices for a new robotic surgery program, so she brought its head of surgical services into a meeting and came out with an agreement: the system would run the clinical evaluation at its own cost and commit to a first-year volume if the device met agreed specifications. She also found that the endoscopy line needed the same motor module and would fund a third of it. With those costs off the table, the development head approved the project.
Why it works
New parties change what each side gets. Their money, volume, or shared need makes the deal look better, and their contribution makes it easier to accept, because the original holdout now risks less of their own. A two-party standoff is often stuck because the numbers between those two cannot work, and the right third party makes them work. It depends on finding someone with a real interest in the outcome and the authority to commit.
The thinking behind it
David A. Lax David Lax and James Sebenius's 3-D Negotiation: Powerful Tools to Change the Game in Your Most Important Deals (2006) describes setup moves made before talks begin, including making sure the right parties are involved; changing who is at the table can change the agreement that is possible. Bringing in a hospital system willing to fund the evaluation, and a sister line willing to share the motor cost, changed the arithmetic that had kept a two-party argument stuck.
When it fits
Look for it when a deal is stalled because value or cost falls unevenly between two parties, and someone else gains if it goes ahead: a customer, a sister unit, a supplier, an investor. You need the network to find them, the standing to bring them in, and an arrangement that keeps the original party whole.
How to use it well
Map who else gains if the deal happens and who else bears the cost if it does not, inside and outside the company.
- Approach the most likely party privately, learn what they need, and find out what they could commit.
- Tell your counterpart before bringing them in, and frame it as help with their concern.
- Put the new party's commitment in writing, with conditions both can live with.
- Restructure the deal so the original holdout's risk falls.
Watch for parties whose interests would pull the deal somewhere you do not want it to go.
What it costs and where it backfires
Every party you add brings its own interests, and the deal gets harder to manage. Your counterpart may feel ambushed if the new party arrives unannounced, and the new party may want terms that cost you later. The interest and the commitment must both be real. Bringing in a party on promises you cannot keep, or citing a customer's backing before the customer has given it, is misrepresentation.
When it is used on you
Meet the new party your counterpart has brought into the negotiation, learn what they want, and check what they have actually committed in writing. Reassess the deal with them in it, since it may now be better for you. Make sure the new arrangement does not shift costs onto you.