General Contractor Multiple Arbitrage Calculator
GC roll-ups create value through project diversity and backlog stability. See the PE math.
🏢 Platform Acquisition
The anchor general contracting business PE firms buy first. Usually the largest, best-run company in the market.
🔗 Bolt-On Acquisitions
Smaller businesses acquired at lower multiples and folded into the platform.
⚙️ Operational Improvements
Post-acquisition improvements from better systems, pricing, and route density.
🚪 Exit Strategy
Multiple Arbitrage Returns
$0
total value created
Value Creation Breakdown
Roll-Up Visualization
Platform
+ Bolt-Ons
+ Improvements
= Exit Value
Enter your platform and bolt-on details to see how multiple arbitrage creates value. The gap between buying at low multiples and selling at higher multiples is the core PE strategy in home services.
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Multiple Arbitrage in General Contracting
General contractor roll-ups create value through project diversification and backlog aggregation. Individual GC companies are often dependent on a few project types or geographic markets. Combining multiple GCs creates a platform with diverse capabilities, deeper management, and more stable revenue.
The $2.5B Blackstone acquisition of Champions Group shows the scale PE is targeting in home services. This calculator models the GC roll-up math. The arbitrage spread is real but GC margins are thinner than service trades, which means operational improvements and backlog management are critical to delivering target returns.
How General Contracting Roll-Ups Work
GC roll-ups are more complex than service trade roll-ups because of project execution risk and bonding requirements. Each bolt-on must be evaluated for backlog quality, project margin history, warranty exposure, and customer concentration. Integration focuses on centralizing estimating, procurement, and back-office functions while keeping project management local. The platform value comes from reduced risk through diversification.
General Contracting PE Benchmarks
GC PE benchmarks: platform multiples 5x to 6x, bolt-on multiples 3x to 4x, exit multiples 7x to 9x for diversified regional platforms. Typical MOIC: 1.8x to 2.5x over 5 years. Average GC margin: 8% to 14%. Margin improvement from procurement and overhead sharing: 1% to 3%. Backlog visibility premium: 1x to 2x above base multiple. Champions Group valued at approximately 10x at $2.5B Blackstone acquisition.
Tips for General Contracting Roll-Up Strategy
- Backlog quality is more important than backlog size. A $5M backlog of contracted projects with 15% margins is better than $8M of pending proposals. Evaluate bolt-on backlogs for contract status, not just pipeline.
- Procurement consolidation is the primary margin improvement lever in GC roll-ups. Centralizing material purchasing across bolt-ons can reduce material costs by 3% to 8%, which flows directly to EBITDA.
- Bonding capacity must be addressed early. Work with your surety provider to increase aggregate bonding limits as you acquire bolt-ons. Bonding limitations can prevent you from bidding larger projects.
- Avoid bolt-ons with heavy subcontractor dependency. GC companies that subcontract 80%+ of work have thin margins and limited operational control. Target companies with 50%+ self-performed work.
Frequently Asked Questions
How does multiple arbitrage work for general contractors?
PE firms buy a well-managed GC platform at 5x to 6x EBITDA and acquire 2 to 4 bolt-on contractors at 3x to 4x. The combined entity has a larger backlog, more project diversity, and deeper management, which justifies an 8x to 9x exit multiple. Champions Group was acquired by Blackstone for $2.5B, demonstrating the scale PE firms are building in home services.
What challenges do GC roll-ups face?
GC roll-ups face project execution risk, bonding capacity limitations, and customer relationship dependency. Each bolt-on brings specific project types and customer relationships. Integration must preserve those relationships while centralizing back-office functions. Bonding capacity is a structural constraint because the combined entity needs higher bond limits than individual companies held.
What exit multiples do GC platforms achieve?
Regional GC platforms with $3M+ EBITDA and diversified project portfolios sell at 7x to 9x. Companies with government or institutional contract bases that provide long-term revenue visibility can reach 8x to 10x. Individual GCs sell at 3x to 4.5x (residential remodelers) and 4x to 6x (commercial with backlog). The platform premium is driven by backlog stability.
What makes a good GC bolt-on acquisition?
Good GC bolt-ons have complementary project capabilities (different project types or geographic markets), experienced project managers, a contracted backlog of 6+ months, and clean financials. Avoid bolt-ons that are dependent on a single large client for more than 30% of revenue. Diversified project portfolios reduce risk and increase the platform exit multiple.
What returns do GC roll-ups generate?
GC roll-ups typically target 2x to 2.5x MOIC over 5 years. Returns are slightly lower than service trade roll-ups because GC margins are thinner (8% to 14% vs 15% to 25% for HVAC). A typical deal: platform at 6x ($12M for $2M EBITDA), three bolt-ons at 3.5x ($6.3M for $1.8M combined), total invested $18.3M. Combined EBITDA $3.8M, improved to $4.0M+. At 8.5x exit, approximately $34M, delivering approximately 1.9x MOIC.
Knowing Your Numbers Is Step One
This calculator shows you one piece. The Growth Report shows you the full picture: where you're leaking revenue, what to fix first, and how contractors like you are growing past the ceiling.