> Is designed to make conversion to a C Corporation as simple as possible. (We can connect Stripe Atlas users to a lawyer to manage the conversion process with discounted, flat-rate packages).

This is the most important part. LLCs tend to be cheaper and more flexible before you raise money, but a C-Corp is basically necessary to raise money. Converting an LLC to C-Corp conversion is often quoted at about $10K from a law firm. With Stripe Atlas, you are set up to make the conversion easily.