Bookkeeping

Critical Calculations is a locally rooted bookkeeping partner delivering clarity and control over finances to small businesses across Kingsport and the Tri-Cities area. With over 20 years of experience, the firm helps clients avoid late nights, messy books, and the anxiety of tax season by delivering clean, organized financial records and easy-to-understand insights. Based in 225 W Center St, Suite 218 in Kingsport, TN, the firm is led by Lisa Kodak—Bookkeeper and QuickBooks Certified ProAdvisor—with a corporate accounting background spanning 25+ years, including expertise in cost accounting and payroll. Services Offered: Monthly Bookkeeping – Regular bank reconciliations, categorization, and general ledger maintenance for ongoing financial clarity. Quarter-End Bookkeeping – Timely account reconciliation, financial reporting, and compliance support. Books Cleanup – Fast, effective cleanup to resolve overdue or disorganized financial records. Software Setup & Training – Setup and support for accounting software, primarily QuickBooks Online, with training to build client confidence. Consulting & Advisory – Tailored strategic advice, turning financial data into actionable business insights. Though firmly rooted in Kingsport, Critical Calculations also serves clients across the U.S. remotely, leveraging secure, cloud-based tools to offer flexibility and reach.

Spiro Vita Bookkeeping is a professional bookkeeping team, dedicated to helping you to improve your bottom line. All of our services are customized to meet each individual's business needs. We'll help you to achieve the financial freedom you deserve.