A Nationally-Focused Public Accounting Firm With Deep Roots In Local Industry Serving Idaho businesses for 70 years, Cooper Norman grew up along side the state's most important industries – and the leaders who continue to define them. As the one of largest public accounting firms in Idaho, we bring the expertise of more than 70 top-tier professionals to serve you – and offer valuable industry and marketplace insight to ensure success and growth for your business.With a distinct focus on operations in agriculture, healthcare and construction, we understand the immediate financial and management challenges you face every day. We apply experience and knowledge of the industry landscape to solve problems that allow you to build a stronger organization.