💼 Professional Services in Seattle, WA

Professional Services
Bookkeeping in Seattle.

Consultants, agencies, and firms in Seattle bill by project, retainer, or hour — and Washington taxes their gross receipts under the higher service B&O rate, so clean revenue tracking matters.

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Who It's For

Built for Seattle Professional Services.

Consultants, marketing and creative agencies, attorneys, architects, engineers, and professional firms across Seattle.

Sound Familiar?

Common headaches we fix.

What's Included

Everything your books need.

Also serving Seattle: Contractors & Trades Retail & E-Commerce Healthcare & Wellness Real Estate Restaurants & Cafes Personal Services Tech & Startups

Monthly Bookkeeping  ·  Catch-Up Bookkeeping

Common Questions

Professional Services Bookkeeping FAQ.

Yes. Professional Services is one of our focus areas, and we serve Seattle and all of King County 100% remotely. We handle the day-to-day bookkeeping so you can focus on the work, with clean monthly financials and Washington B&O and sales-tax-ready records.
Washington has no income tax, but the state Business & Occupation tax applies to your gross receipts — total revenue, with no deduction for costs — at rates that vary by activity (as of 2026; confirm current rates). We track your revenue by the right classification so your filings are accurate.
We're a U.S. bookkeeping firm headquartered in Greenville, South Carolina, serving Seattle professional services businesses entirely remotely — a dedicated bookkeeper who understands both your industry and Washington's tax setup, without local overhead.
Get Started Today

Clean Books for Your Seattle
Professional Services Business.

Book a free 15-minute call. No pressure, no sales pitch — just a straight look at what your books need.

Schedule a Free Call →
Local & State Resources

Business & Tax Resources

Official resources for Seattle, WA businesses — registering, filing B&O and sales tax, and staying compliant. Tides handles your books; these help with the rest.

Washington Department of Revenue
State B&O tax, sales & use tax, and business tax accounts
WA Secretary of State — Corporations & Charities
Register or manage a Washington business entity
IRS — Small Business & Self-Employed
Federal taxes, EIN, forms, and recordkeeping guidance
U.S. Small Business Administration
Federal programs, guidance, and local SBA resources