How Private Equity Creates Value Beyond Capital: What the Evidence Actually Shows

There is a common assumption that private equity works by writing a cheque: money in, company grows, money out. But capital is the least differentiated thing a private equity firm brings, capital is available everywhere. What separates firms that consistently deliver is everything that arrives alongside the money, and whether that "everything" is real or mostly marketing is the question worth asking before committing capital to any fund.

This is not a philosophical distinction. It is arithmetic. In a typical 2015 buyout, roughly half the purchase price was borrowed at 6 to 7%, and rising valuations did much of the rest of the work, so a deal needed about 5% annual earnings growth to hit a 2.5x return. Today, with borrowing costs at 8 to 9% and purchase multiples flat, the same deal needs 10 to 12% annual earnings growth to hit the same return. The financial tailwinds that carried much of the last decade are gone. What is left has to be built by hand, assuming it can be built at all.

What Practitioners Say They Actually Do

Useful evidence here comes from asking managers directly rather than only studying fund returns. A survey of private equity firms found they emphasise a consistent set of levers: increasing revenue, improving incentives and governance, redirecting strategy, and making operational improvements, with financial engineering treated as only one component among several. The same body of research points to evidence that acquired companies showed significant productivity gains under private equity ownership in the sample studied, which is a harder thing to fake convincingly than a headline return figure.

That finding deserves the same caveat it earned in the returns literature more broadly. A more recent academic review found little evidence of operating improvement in a meaningful share of leveraged buyouts from the 1990s and 2000s, and the underlying productivity studies mostly cover periods when cheap debt was still doing a lot of the work. Self reported operating levers and actual, verifiable operating improvement are not the same thing, and the gap between what managers say they do and what independent researchers can confirm they did is exactly the gap a diligence process exists to close.

Why Governance Is the Underrated Lever

Start with the least glamorous change: who is in the room. A private equity owner replaces a diffuse public shareholder base with a small board that owns the company outright, meets frequently, and works to one objective over a defined horizon.

That sounds administrative. In practice it can transform decision making. Choices that might take years of internal consensus building at a public company can move in weeks under concentrated ownership. Management incentives typically get restructured so leaders hold meaningful equity, and reporting gets rebuilt so the board can see what is actually happening inside the business. None of this makes headlines, and it is genuinely difficult to measure from outside a deal, but a meaningful share of the eventual value in a well run buyout traces back to it.

Why Operational Improvement Is the Real Engine, When It Happens

The core claimed work of private equity is making the underlying business better, and the more recent evidence suggests it matters more than it used to. Across nearly 3,000 fully exited deals spanning three decades, operational improvement was a large and notably consistent contributor to returns, more so than leverage or multiple expansion, with revenue growth cited as the primary driver. That figure comes from an alternative asset platform with a commercial interest in the industry's story, so it is worth weighing against the academic finding above that operating gains were far from universal in the earlier decades of buyout history.

Revenue growth itself tends to come from unglamorous work: pricing that was never properly analysed, sales coverage in markets the company never entered, product lines that were underfunded relative to their potential. Bain's analysis of software buyouts over the past decade found revenue growth drove roughly 52% of value creation and multiple expansion about 42%, while margin improvement contributed only about 6%, and that margin contribution was concentrated almost entirely in top quartile deals. Two things are worth flagging about that number. It describes software buyouts specifically, a sector with unusually favourable growth economics, not the industry as a whole, and the one component that looks most like "hands on operating skill," margin improvement, is explicitly a top quartile phenomenon rather than something the average deal achieves.

Buy and Build: Consolidation as a Value Lever

One of the more durable playbooks is consolidation: acquire a platform company, then add on smaller competitors. Each add on can bring revenue, cost synergies, and sometimes a valuation uplift, since larger businesses often trade at higher multiples than smaller ones in the same sector. What the PE owner supplies here is less about the capital and more about deal sourcing capability and integration expertise, knowing which targets are worth buying and how to combine them without breaking what already worked.

Why Carve Outs Unlock Neglected Businesses

Some of the strongest documented results come from buying an unloved division out of a large corporation and giving it, often for the first time, undivided management attention. Inside a conglomerate, a non core unit typically competes for capital it rarely wins. Standing alone under focused ownership, the same business can sometimes be transformed through improvements that were available the whole time and simply never pursued, because nobody at the parent company had the mandate or incentive to pursue them.

What Talent, Access, and Network Actually Add

The rest is harder to quantify but familiar to anyone who has watched a buyout up close. An experienced firm can often recruit a proven finance or operating executive quickly because it has placed similar people many times before. It can introduce a portfolio company to customers, suppliers, or eventual acquirers it would not otherwise have reached. It has typically seen a given operational problem, a difficult systems migration or a failed international expansion, many times before, and has a view on what tends to work. A founder run business with a strong product but little institutional experience is often genuinely bottlenecked here, and capital alone does not unblock that kind of constraint. This is also the hardest category in this article to verify from outside a firm, since it rests on reputation and relationships rather than anything a researcher can audit.

The Honest Caveat: Why Dispersion Matters

None of the levers above are guaranteed, and dispersion across managers is the clearest evidence of that. Only some firms have genuine operating capability. A meaningful number still lean primarily on financial engineering and favourable timing, and the industry's own marketing rarely draws that distinction for a prospective investor. Critics have made a related point worth absorbing: because private assets are not marked to market daily, reported smoothness in returns can flatter results and obscure how much risk was actually taken along the way. Neither a headline IRR nor a placid looking return series tells an investor what a manager actually did inside the businesses they owned.

That is why sophisticated investors increasingly ask managers to break returns down by driver, how much came from EBITDA growth versus multiple expansion versus leverage, and treat a manager's inability or unwillingness to answer clearly as a warning sign rather than a technicality.

Why This Matters Now

The era when a rising market made an average owner look skilled has largely ended. McKinsey has observed that returns are increasingly something that has to be created rather than something the market simply hands out. That is uncomfortable for parts of the industry and clarifying for investors. The question worth asking any private equity manager is no longer only "what have you returned," it is "what did you actually do inside the businesses you owned, and can you show it."

Where This Leaves Real, Productive Assets More Broadly

Everything above describes private equity working hard to get back to something more fundamental: value that comes from a business actually being better, not from financing conditions that happened to be favourable. Some real asset categories, productive farmland and physical commodities among them, never had to make that journey, because their returns were built on physical output and income from the start rather than on leverage or multiple expansion.

That does not make real assets a substitute for the governance, consolidation, or talent related value creation described above, those are genuinely differentiated skills where they exist, and they apply to businesses in a way that does not translate to a field of crops or a stockpile of a physical commodity. But the underlying test is the same one this article keeps returning to. Value that depends on genuine, verifiable output, whether that is a company's revenue growth or a farm's harvest, tends to hold up better across different rate and credit environments than value that depended on cheap debt or a rising market to begin with.

Further reading: Productive Farmland as a Diversifying Real Asset

The Takeaway

Private equity's pitch has always been that it brings more than money: governance, operational expertise, deal sourcing, and access. The evidence says that pitch is sometimes true and sometimes closer to marketing, and the gap between the two is exactly what dispersion between managers reflects. In an environment where cheap debt no longer covers for a mediocre owner, the honest question for any allocator is not whether private equity as a category still works, it is whether a specific manager can demonstrate, driver by driver, that the value they claim to create is actually there.

Further reading: Private Markets vs. Public Markets: What Allocators Need to Know

Frequently Asked Questions

Does private equity actually add value beyond the capital it provides? The evidence is mixed rather than uniform. Some managers demonstrably improve the companies they own through governance changes, operational fixes, and consolidation strategies. Others rely more heavily on leverage and favourable market timing, and the historical academic record shows real operating improvement was far from universal, particularly outside the top quartile of managers.

What is the most reliable driver of private equity returns today? Recent industry analysis points to operational improvement, particularly revenue growth, as the most consistent driver across a large sample of exited deals. That said, the clearest margin gains tend to be concentrated in top quartile deals rather than spread evenly across the industry, and independent academic research is less uniformly positive than industry sourced studies on this point.

How can an investor tell if a manager's value creation claims are real? By asking for a breakdown of returns by driver, EBITDA growth, multiple expansion, and leverage, rather than accepting a single headline return figure. A manager who cannot or will not provide that breakdown is harder to evaluate on the merits of their actual operating skill.

Are real assets like farmland an alternative to private equity's value creation model? Not directly. Farmland and other real assets generate returns through physical output and income rather than through the governance and operational improvements a buyout firm applies to a company. They are a different category with different risks, but they share the underlying principle that returns tied to genuine output tend to be more durable than returns built on financing conditions alone.

Disclaimer: This article is for general informational purposes only and does not constitute investment, legal, or tax advice, nor a recommendation to buy, sell, or hold any security or asset. Past performance, including the historical data and industry studies cited above, is not indicative of future results. Private equity investments are illiquid, carry the risk of substantial or total loss, and are not suitable for all investors. You should consult your own financial, legal, and tax advisors before making any investment decision.

If you are evaluating a private equity manager's value creation claims, or want a second opinion on how to break down a track record by driver before committing capital, talk to our team about how that diligence looks for your portfolio specifically.