Washington · Accounting Firms

Washington Accounting Firms

Premier accounting firms across America — serving clients in Washington. Seattle's tech corridor and aerospace base drive demand for Washington's CPAs and tax professionals.

Boutique, regional, and national firms
Industry verticals and service depth
Engagement teams sized to your business

About Washington

Accounting Firms in Washington

Seattle's tech corridor and aerospace base drive demand for Washington's CPAs and tax professionals.

Washington is home to a growing community of accounting professionals who serve businesses, families, and high-net-worth individuals across the region. Whether you're looking for tax preparation, monthly bookkeeping, or strategic CFO-level guidance, the right firms in Washington can save you time, reduce risk, and uncover opportunities most owners miss.

Discover full-service accounting firms ranging from boutique practices to national networks, organized by city, specialty, and industry.

Washington tax climate

The local tax environment

State tax overview

Washington has no state personal or corporate income tax. Instead, the Business & Occupation (B&O) tax applies to gross receipts at rates that vary by activity. A 7% capital gains tax on long-term gains above $262K (2024) applies to high earners. Sales tax averages around 9.4% combined.

Tax rates and rules change frequently. Verify current figures with a licensed professional before acting.

What this means for you

  • A local firms understands Washington-specific filing requirements.
  • Multi-state nexus and remote-worker rules vary — ask about your exposure.
  • Entity election and pass-through tax options are state-specific.

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Verified firms serving Washington

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Industries served

Washington firms work across Washington's economy

Tech & cloud
Aerospace
Maritime
Agriculture
Healthcare

Map

Accounting Firms on the map

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What clients say about Washington firms

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FAQ

Accounting Firms in Washington

How do I choose the right accounting firm?

Match firm size and specialty to your business stage, industry, and complexity. Most firms offer a discovery call so both sides can confirm fit.

Nearby in Washington

Firms in nearby cities