How do you track multiple commercial lease end dates?

Tracking multiple lease end dates requires a central register where every lease -- commercial property, equipment, vehicle, anything on a lease -- has a row with the key dates: start date, end date, next break clause date, notice deadline for the break, notice deadline for renewal, auto-renew flag, and rent review date if applicable.

For 2-5 leases, a well-maintained spreadsheet works. Beyond that, the maintenance burden grows: leases roll over, dates change, new leases are added, people leave. A shared system with automatic reminders at configurable lead times -- say, 90 days before each notice deadline -- removes the reliance on any single person to remember.

The practical tip: track the notice deadline as a separate date to the end date. The end date is when the lease expires; the notice deadline is the last day you can actually do something about it. These are different dates, sometimes months apart, and it's the notice deadline that matters most.