One of the first things that you should check is their location or office. The closer their office is to your office or business, the better as it is more convenient for you to pick up or drop your package on their office. If in case you chose a courier that is not close to your business, you could ask if they could pick up your parcel or mails that you want to be delivered. Most courier service offers this service for free or part of the package.
Another factor that you can check is the price or rates for parcel delivery, inter-parcel air freight, local mail or parcel delivery, international courier service and other delivery service they have. Affordability is a great factor foe many businesses. At the end of the day, the more money you save on operational expenses for your business, you get to earn more profit. That is the goal for every business so, looking for a courier that can offer you low competitive and affordable rate is something that you should check on before deciding to hire a certain courier company to do all your deliveries for you.