Duncan Accounting & Tax staffs IRS Enrolled Agents who specialize in bookkeeping, payroll, tax preparation, and IRS negotiation for small to mid-sized companies in Colorado Springs. In business since 2011, we have built a reputation as a trustworthy, client-focused, honest financial partner. We tailor our services to companies looking for clean books, tax savings, and IRS protection who may not have the time or budget to accomplish this in-house.