Seattle's tech scene moves fast, your finances should keep up. OneCo gives Emerald City small businesses one platform to bank, pay people, and stay compliant without the overhead.
Trusted by businesses using
From Capitol Hill coffee shops to SoDo logistics operations, Seattle businesses deal with Washington's unique B&O tax structure, high cost of labor, and fast growth curves. OneCo is built to handle all of it, from automated payroll that keeps pace with Seattle's minimum wage increases to B&O tax filings that happen on schedule.
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Your Q2 payroll taxes have been filed and your books are reconciled through June 30. You're all clear. 🎉
Finally. I haven't had to think about taxes once this quarter.
Banking, payroll, accounting, compliance, business credit, and insurance, unified for the way Seattle businesses actually work.
Get StartedFrom setup to full operation in days, not months.
Connect your accounts
Connect your existing accounts. Tell us about your business. We handle the rest. Takes under 10 minutes.
Overview
Account Balance
$48,320.00
Payroll
On time
Books
Current
Compliance
✓ Filed
Credit
720
Banking, payroll, books, and compliance, all visible in one place the moment you're set up. No manual data entry, no syncing nightmares.
4 employees paid · $12,400 disbursed
Federal 941 · State · Auto-submitted
Payroll runs itself. Books stay current. Tax deadlines get handled. You focus on what you built. OneCo handles the back office.
Separate business accounts, debit cards, and ACH transfers. No personal account mixing, ever.
Payroll calculates, files, and pays automatically. Your team gets paid on time, you get peace of mind.
Real-time bookkeeping, invoicing, and reconciliation. Always tax-ready, always accurate.
Build a business credit profile separate from your personal FICO. Get approved for the cards, loans, and leases your business deserves.
State-specific compliance calendar, annual report filings, and deadline reminders. Never miss a filing again.
Compare and purchase coverage tailored to local businesses. General liability, workers' comp, and more, in minutes.
Start free. No credit card required. Cancel anytime.