Tax1099 is an IRS-authorized e-filing platform for accountants, bookkeepers, and small businesses that need to file 1099, W-2, 1095, 941, and other federal and state tax forms electronically with bulk import and TIN matching. Marketed as 1099 e-filing software for accountants, Tax1099 combines IRS-authorized e-filing, bulk CSV and accounting integration imports from QuickBooks, Xero, Sage, and FreshBooks, automated TIN matching, recipient PDF and mailing services, multi-state filings, audit trails, and white-label tools for accounting firms. Tax1099 is a strong fit for accounting firms filing year-end 1099s for many clients, payroll providers managing high-volume filings, and growing SMBs handling contractor payments at year end.