Key things to take into account are: The team’s domain expertise Alignment of macOS application development services with your needs Experience in projects similar to yours Clear, detailed, and justified cost and time estimation Check reviews from previous customers and company ratings on Clutch.co and similar platforms. Also, consider the team’s communication skills so you’re always on the same page with your developers and managers. Look for companies with a proactive approach to staying updated on macOS updates and emerging technologies.