Explore the 10 best Storage Unit Franchises of 2025. Learn about startup costs, franchise fees, and their revenue potential. . Why is Portable Storage one of the best franchises to own? Our NPS score reflects that STORsquare far surpasses all of our competition. We believe that is true because our business model is built around customer experience. All franchisees are held to this same standard. Here is a quick clip from. . Why It's Great: UNITS has established a solid name in the portable storage business. Its unique ROBO-Lift delivery system gives its franchisees a real edge over competitors. With the company, you get large protected territories to work in, giving you ample space to grow your business without. . Join a trusted family brand by becoming a licensed operator of Get Simple Box. You'll gain access to our portable storage container inventory, delivery system, proven marketing tools, and operational support. Maintain your independence while building a business that serves your local community. Each franchise offers unique advantages, from facility management technology to customer service support. For each, we provide key financial details, including the average initial investment cost and potential earnings. . Own a high-demand, locally operated portable storage franchise with low overhead, innovative delivery tech, and fast breakeven—ideal for growth-focused owner-operators or semi-passive owners. Franchises available throughout the US with the exception of: CA, HI, IL, IN, MD, MI, MN, NY, ND, RI, SD. . Here are 15 storage franchise businesses to consider, ranging from traditional self-storage facilities to specialized services. What is a storage franchise business? A storage franchise business is a type of business model that allows investors to use the name, brand, and established business model. .