Accounting, consulting, and start-up services for businesses in either QuickBooks or Enterprise. Check out our five star rating! Trust your local exam-certified, Advanced QuickBooks ProAdvisor and Enterprise Solution provider. The Wren Group, Inc. was founded almost five years ago to provide businesses with accounting and consullting solutions, including full charge bookkeeping and accounting, fraud detection/documentation, consulting and startup support. We also provide office replacement services for business who are either growing and need an office feel and don't have the capital, or business that are downsizing in this economy and need help but can't afford full-time personnel.