One Onsite

One Onsite by Lessen helps vendors and technicians complete facilities maintenance work orders with context-rich information, location details, and a focused on-site workflow. Technicians can view today’s tasks, review issue history, and capture the data needed by the back office.

The app emphasizes a guided, informational, and efficient experience. It supports offline use and low-connectivity areas, offers faster uploads and better battery optimization, and reduces training time with a simple, one-task-at-a-time flow.