Katz and Co. is one of the premier tax and accounting firms in the Washington metropolitan area. We have been serving individuals and corporations in the area, and around the globe, for more than thirty years. Founded by Yoav Katz in 1981, we have developed a reputation for our legendary tax and accounting skills, and our sharp business acumen. Katz & Co. Team The team of professionals at Katz & Co. are our most valuable asset. With over a century of combined public accounting experience, we bring a wealth of knowledge to each of our clients.