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Startups wanting to discover and claim available tax credits
Now part of Gusto
Typical cost: Free
Startups wanting to discover and claim available tax credits
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MainStreet (now part of Gusto) helps startups discover and claim tax credits including R&D credits, WOTC, and state incentives they might be missing.

QuickBooks
PaidAccounting software for small businesses.
Best for: US-based small businesses needing comprehensive accounting with strong tax support
Xero
PaidBeautiful accounting software for small business.
Best for: International businesses and teams needing collaborative accounting with unlimited users

Gusto
PaidPeople platform for payroll, benefits, and HR.
Best for: US-based startups hiring employees who need payroll, benefits, and HR compliance handled

Wave
FreeFree accounting software for small businesses.
Best for: Very early-stage founders who need free accounting software and can live without advanced features
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