This is called concurrency and it drives the world forward. Why do we have so many producers and sellers of clothes. If we had only one clothes manifaturer in the world, who will trigger the innovation and progress forward?!

Nobody can steal your identity, attitude, communication with clients and support. And usually, this is what makes the difference.

And there are also other, legal ways to protect things, even though it is expensive. It is to patent your products and ideas. :)