Without branding, the customers cannot build a commitment to you as a company that they can trust or recommend to other people. There seems not to be any other way around it than for you to have your own brand (ブランド). For you as a company to be known for what you are doing, there seems to be a lot of work that you will have to do concerning branding. Branding does not mean that you will have to use a lot of words to describe your products or have a lot of promotions so that your product will be known, it simply means the use of your logo in various creative ways. It is said according to study that human tend to save or store visual information than words. Having a lot of words will make your customers confused about what you actually stand for. Instead of using words, in the case of having other subsidiaries, you can use Logo (ロゴ) marks instead.
After your logo has been produced by these companies, you need to have it copyright. Copyright in the US for example can be started online by visit the website for it. On this website, you will get to fill a form that you want to copyright your logo. This will also involve you submitting the logo itself to them and at the end of the process, you will earn a right to be the sole owner of that logo. It should be noted that when your designers are working on your logo, they must be versed in logo knowledge so that they will not end up designing something that already exist. This will lead to waste of money, time and even your resources. So choose your designers wisely, and LOGOLO is a good recommendation given by people.