Mercury
Business banking with cards, bill pay, invoicing and expense tools, plus Mercury Books (accounting) and Mercury Payroll add-ons.
Verdict. Best online banking for startups and online businesses that want bill pay and books in the bank.
Published price. Mercury $0/month. Plus $29.90/month. Pro $299/month. Add-ons: Mercury Books $35/month and Mercury Payroll $100/month + $50 per person paid, both waived until Dec 31, 2026. Checked Oct 22, 2026.