How M&A deals actually work
By SuperdayReps · Wharton MBA · ex-Greenhill · investment banking interview coaching
8 min read · updated July 2, 2026
Most beginners picture a deal as two CEOs shaking hands over a number. That's not how it works. A sale is a process, run by bankers, designed to create competition and push the price up. If you understand the stages, you understand the job.
Let's start with the only question that matters to a buyer.
Why buy at all?
Nobody pays a premium for a company out of politeness. A buyer pays up because owning the target is worth more to them than the standalone price. The reasons cluster into a few buckets:
- Synergies. Cost synergies (cut duplicate overhead, close redundant plants, combine back offices) or revenue synergies (cross-sell to each other's customers). Cost cuts are believable. Revenue synergies are where hope goes to die, so smart buyers haircut them hard.
- Market share and scale. Buy the #3 player, become the clear #1, gain pricing power.
- Vertical integration. Buy your supplier or your distributor to control the chain and margin.
- Diversification. Add a business with a different cycle so the whole company is steadier.
- Defensive or tax-driven. Buy a threat before a rival does, or acquire to use a target's tax attributes.
A buyer's ceiling is the standalone value plus what the combination uniquely adds. Two buyers looking at the same target can rationally arrive at very different maximum prices, because they bring different synergies to the table. That gap is the whole game.
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Frequently asked
- Why does a buyer pay a premium to acquire a company?
- Because owning the target is worth more to the buyer than its standalone price. The extra comes from synergies, added market share and scale, vertical integration, diversification, or defensive and tax reasons. A buyer's ceiling is the standalone value plus what the combination uniquely adds, which is why two buyers can reach very different maximum prices.
- What are the stages of a sell-side M&A process?
- A bank runs a script to manufacture competition: teaser, NDA, CIM, first-round non-binding bids, management presentations, second-round binding bids, exclusivity, then signing and close. Each stage exists to keep multiple buyers in the room, control the information, and never let one party think it is the only bidder.
- Who pays more, a strategic buyer or a financial buyer?
- Usually the strategic, because of synergies. A strategic folds the target into an existing business and buys the combined EBITDA, so it can pay up toward that higher value. A financial sponsor buys the standalone cash flows and is capped by its return math, so its ceiling sits near the standalone price.
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