QuickBooks by Intuit is the most widely used SMB accounting software, serving over 7 million businesses. From Simple Start at $30/month, it covers bookkeeping, invoicing, payroll, and tax filing — a benchmark for US market finance.
Gusto is a payroll, benefits, and HR platform founded in San Francisco in 2011, serving over 300,000 US small businesses with automated payroll and tax filing across all 50 states. Built-in health insurance and 401(k) management start at $40/month plus $6 per employee, making it a benchmark SMB HR solution.