Who is Cryptomathic?

Could you please elaborate on who Cryptomathic is and what their role in the cryptocurrency and finance industry is? I'm particularly interested in understanding their expertise and how they contribute to the field. As a leading player in this space, I'm sure they have a unique perspective and offer valuable services. I'd appreciate it if you could provide a concise yet informative description of Cryptomathic, highlighting their strengths and areas of specialization.