Working with a big company or a well-known brand can be exciting, but it can also bring up a strange feeling where you start questioning whether you are really good enough to be there. You wonder if they will find out you are just one person working from your laptop. This feeling seems to come up a lot, even for freelancers who have been doing this for years and have a strong track record. Have you experienced this when taking on bigger clients, and how did you get past it?