Inspiron is the consumer line. For business you should be looking at these lines, they’re more durable, generally have better security features, longer and better support, often some degree of user serviceability:
- Lenovo ThinkPad
- HP EliteBook
- Dell Latitude
Another question is, what OS you plan to run, because that can be important. If your answer is Linux, then go with a certified laptop. The distro certifying it doesn’t matter much, since the mainline drivers and fwupd support is all the same. You can use these resources for that: