5 Certifications every Nail Tech should consider It is no secret that nail techs have tons of competition. So how does one distinguish you as different and set yourself apart during this crowded and competitive business? The key to getting a hop on the competition is to realize more knowledge, become more specialized in your nail practice and market yourself as an expert in your field. Upping your education game and learning the way to perform new techniques or procedures through certification courses can increase your bottom line, assist you develop your brand and expand your client base.