Short answer: we found 4 crypto tax firms with a Seattle-area presence, listed below with their sources. Licenses are not yet verified, so confirm on CPAverify before hiring.
Firms in the Seattle area
Colby Cross, CPA
Seattle office at 1255 Harrison St #304, Seattle, WA; crypto tax CPA practice (firm site)
License unverifiedWebsiteTaxman Associates
Office at 300 E. Pine St., Seattle, WA; crypto gains, cost basis, mining and staking income (firm site)
License unverifiedWebsiteAldaris CPA
Office at 9030 35th Ave SW, Seattle, WA; crypto compliance, cost basis, staking, 1099-DA review (firm site)
License unverifiedWebsiteGenuity B2B
Office at 7100 Fort Dent Way, Suite 100, Seattle, WA; crypto returns, amended returns, FBAR (firm site)
License unverifiedWebsite
National / remote firms
Chainwise CPA
Site says it helps clients "across the country"
Mac Tax CPA
Summ partner list says services are offered in all 50 US states
Bitcounts
Site title: "Crypto Tax and Accounting Services in the US"; works remotely
Washington tax note
Per the Tax Foundation's 2025 state income tax table, Washington has no tax on wages; Washington taxes only capital gains income of high earners. Federal crypto reporting (Form 8949, Schedule D) applies everywhere. See the Form 8949 guide.
See all of Washington, all cities, or the directory. Doing it yourself? Compare crypto tax software.
FAQ
Do I need a crypto CPA in New York City?
Not necessarily. Many crypto tax firms work remotely. Ask whether they prepare New York returns and check their license on CPAverify.