StorageMart, the largest privately-owned self-storage firm in the world, has purchased Manhattan Mini Storage.

The acquisition will include the entirety of Manhattan Mini’s 18 self-storage real estate locations throughout the borough. Going forward, StorageMart’s portfolio will exceed 20 million net rentable square feet of storage in 200,000 units worldwide.

Citigroup served as the exclusive financial advisor to StorageMart. Kirkland & Ellis LLP served as legal counsel to StorageMart. Eastdil Secured served as the exclusive financial advisor to Manhattan Mini Storage.