SimpliSafe was founded in 2006 by then-Harvard Business School students, Chad and Eleanor Laurans after several friends in the Cambridge area experienced home break-ins, but couldn't find a security company that was designed to help renters.

[2] SimpliSafe officially launched in 2009 with initial funding from angel investors, introducing the industry's first do-it-yourself (DIY) home security system.

[14][15] In January 2018 at the Consumer Electronics Show (CES), the company introduced the third-generation version of its product line that allowed frequent firmware updates of the technology to address the RF vulnerability.

[16] On June 29, SimpliSafe announced that private equity firm Hellman & Friedman had taken a controlling interest in the company in a deal valued at $1B.

[18] In October, the company launched its Video Doorbell Pro, the second camera in its product line-up, to give customers better visibility of activities happening outside the home.

This expansion enabled the company to offer a selection of its home security products to homeowners across the United Kingdom.

[21] In December of that year, the company announced Christian Cerda, previously the Chief Operating Officer at iRobot, as its new CEO.

[28] In June 2023, SimpliSafe launched the Smart Alarm Wireless Indoor Security Camera, alongside a new 24/7 live guard protection service.

[33] In addition to selling hardware products, SimpliSafe offers self-monitored and professionally monitored security plans without long-term contracts.