Fahn Kanne Grant Thornton Israel | 2,238 followers on LinkedIn. Fahn Kanne & Co. is one of Israel’s leading CPA firms, ranked among the largest six in Israel | Fahn Kanne Grant Thornton Israel is the sixth largest CPA firm in Israel. The firm has the ability to perform high quality services in a variety of fields, while also providing its clients with a personal and friendly touch. The services rendered are based on an intimate and in-depth knowledge of the client organization and business environment and on close supervision by a partner and senior staff.