Zürcher Kantonalbank | 53,787 followers on LinkedIn. Zürcher Kantonalbank is the bank that's close to you. | With over 6,000 employees and more than CHF 400 billion in client assets under management, Zürcher Kantonalbank (ZKB) is the second largest bank in Switzerland. ZKB was awarded the top credit rating (AAA/Aaa) by the rating agencies Standard & Poor’s, Moody’s and Fitch, making it one of the safest banks in the world. With a market penetration rate of more than 50%, ZKB is a leader in private and corporate banking in the Canton of Zurich and is the second largest fund provider in Switzerland.