- Go to the agency when you clearly know what needs to be built - User stories, jobs to be done, roadmap or design: whatever specification you have. Otherwise,

- Go to the agency when you clearly know what needs to be built - User stories, jobs to be done, roadmap or design: whatever specification you have. Otherwise, much of the code will be thrown away. Same rules work for marketing agencies. If you don’t know your users and positioning, none of the agencies will do marketing for you.