Eide Bailly is the kind of CPA firm where the person answering your tax question actually knows what they're talking about — because it's a firm deep enough to staff specialists, not generalists pulling from a shared knowledge base.
Their downtown Sioux Falls office handles tax planning, tax preparation, audit services, and business advisory work across industries ranging from agriculture and healthcare to construction and nonprofits. They also do forensic accounting, cybersecurity consulting, payroll services, and bookkeeping — which means a mid-size company can hand off more than just year-end filings and actually get something useful back.
What separates them from a regional accounting firm that's quietly coasting is the depth of the bench. They don't route you to a junior associate when your question gets complicated. The work skews toward ongoing advisory relationships rather than transactional tax prep, so clients tend to come in with a problem and leave with a plan.