A roll-up is a PE strategy where a platform company acquires many smaller tuck-in companies, consolidating a fragmented industry. The strategy captures multiple arbitrage (small companies trade at lower EBITDA multiples than larger consolidated platforms), cost synergies, and cross-sell opportunities.

How a roll-up works

1. PE sponsor acquires a platform company: Usually $20M–$100M EBITDA.
2. Platform acquires “tuck-ins”: Smaller companies in the same industry.
3. Operational integration: Common systems, branding, pricing, cost structure.
4. Scale advantages emerge: Procurement, marketing, technology.
5. Exit at higher multiple: The combined entity sells to a strategic, another PE firm, or the public market.

The multiple arbitrage math

• Small company: 5x EBITDA multiple; $2M EBITDA → $10M purchase price.
• Platform at scale: 10x EBITDA multiple.
• If 10 tuck-ins are integrated: Platform now has $20M+ EBITDA at 10x = $200M+.
• Original investment: ~$100M acquisition total; exit at $200M+ — 2x return on arbitrage alone, before synergies.

Favorite roll-up sectors

• Dental practice management (DSOs): Heartland Dental, Smile Brands.
• Veterinary care: Mars Petcare-owned chains.
• HVAC, plumbing, electrical services.
• Accounting firms.
• Insurance brokerages: Acrisure, HUB International.
• Specialty physician practices: Orthopedics, ophthalmology, dermatology.
• Auto body: Caliber Collision, Gerber Collision.
• IT services: MSPs, managed security providers.

Why roll-ups succeed or fail

Success factors:

1. Strong platform company: Operating rigor, systems, culture.
2. Disciplined acquisition pipeline: Consistent tuck-in sourcing.
3. Integration playbook: Systems, billing, HR unified quickly.
4. Cultural alignment: Owner-operators stay motivated post-sale.
5. Reasonable leverage: Enough to boost returns, not so much it breaks.

Failure factors:

1. Poor platform choice: Weak operational foundation.
2. Overpaying for tuck-ins: Erodes multiple arbitrage.
3. Botched integration: System incompatibilities, cultural clashes.
4. Too much leverage: Debt service starves growth investment.
5. Regulatory risk: Especially in healthcare and financial services.

Major PE firms in roll-ups

• KKR, Blackstone, Apollo Global Management — the largest.
• Clayton, Dubilier & Rice — operational rigor.
• Golden Gate Capital, Bain Capital.
• Midmarket specialists: GTCR, Aurora Capital, Leonard Green.

Roll-ups vs organic growth

• Roll-ups: Faster scale; multiple arbitrage; integration risk.
• Organic: Slower; cleaner; less leverage; fewer integration headaches.

Most PE platforms use both — a roll-up strategy is rarely the sole growth lever.

Practical takeaway

1. Operators: If your company operates in a fragmented industry, PE roll-up buyers are a realistic exit path.
2. Investors: Roll-up strategies are a distinct PE skill — operational + M&A capability together.
3. Founders: Building a platform-worthy company is different from building a tuck-in — scale systems early.

Further reading

• KKR $23B fund announcement: https://scouts.yutori.com/8b847103-9d57-41bd-b907-94108a38ecfe