Wizxpert provides the best accounting software for small businesses, making it easy to organize both incoming and outgoing costs. Track your business's financial history and manage profit and tax liabilities. WhiWizxpert provides the best accounting software for small businesses, making it easy to organize both incoming and outgoing costs. Track your business's financial history and manage profit and tax liabilities. While there are standalone options for invoicing software and tax software for small businesses, you'll generally find that dedicated accounting platforms will be more comprehensive. le there are standalone options for invoicing software and tax software for small businesses, you'll generally find that dedicated accounting platforms will be more comprehensive.