Vertical Integration: When It Creates or Destroys Value
Owning a supplier feels like control. It pays off only if you can run that step of the chain better than the specialist who ran it before.
Three benefits that are real
The case for buying a supplier or a customer usually rests on three points. The buyer captures the other party's margin, gains control over quality and timing, and is no longer exposed to one counterparty's decisions.
Each is true as far as it goes. None settles whether the deal creates value, because all three assume the buyer will run the acquired business at least as well as its previous owner.
The test that gets skipped
A supplier's margin exists because the supplier performs a function at a certain cost. If the buyer's cost of performing it is higher, the margin shrinks or disappears, and the buyer has paid a premium to find this out.
Specialists are often good at what they do for reasons that do not transfer. They serve several customers and spread fixed costs, and they attract people who want to work in that field, whereas a captive unit serving one parent loses both advantages.
Exhibit 1: Conditions under which vertical integration tends to create or destroy value.
| Factor | Tends to create value | Tends to destroy value |
|---|---|---|
| Closeness to existing operations | The step uses skills and assets the buyer already has | The step is a different business |
| History with the input | Repeated quality or delivery failures | Supply has been reliable |
| Market for the input | Few suppliers, weak alternatives | Competitive market with several qualified sources |
| Main motive | A specific operating problem to solve | A general wish for control |
| Scale of the acquired unit | Efficient serving the parent alone | Needs outside customers who may leave |
Compare it with the alternatives
Integration is one answer to supply risk, and two others deserve the same analysis. A buyer can qualify more suppliers, or it can negotiate a longer contract with price protection.
Boards often see only the acquisition modeled in depth, because that is what deal teams produce, while the alternatives are described in a paragraph. That is not a comparison.
In one composite engagement, a specialty chemicals producer was leaning toward buying its feedstock supplier after two price spikes. Once diversified sourcing and hedged supply were modeled to the same standard, the board chose diversification. Read the feedstock strategy case study.
For that decision in detail, see feedstock diversification: build, buy or contract.
Questions for the board
- What evidence do we have that we can operate this business as well as its current owner?
- What happens to its other customers after we buy it?
- Which alternatives were modeled, and to what depth?
- If the market for this input loosens in a few years, will we wish we had kept our flexibility?
If the deal proceeds, the integration risks are those of any acquisition, as described in why most acquisitions fail to deliver promised synergies.
Key takeaways
- Write down what your cost of performing the supplier’s function would be, using your own operating record.
- Add the acquisition premium and integration cost, then compare with the margin you expect to capture.
- Model a multi-supplier option and a long-term contract option to the same depth.
- Ask whether the input has caused repeated quality or delivery problems, or whether the case rests on control alone.
Test your integration case
We can model an acquisition against diversified sourcing and contract alternatives so your board compares like with like.
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