Colin T Dias, CPA is a boutique CPA firm in Healdsburg, CA, serving individuals and small businesses with accounting and tax support. The firm focuses on practical help for clients who need tax preparation, bookkeeping, payroll, sales tax, and planning tied to day-to-day business needs.

Services include business and individual tax preparation, bookkeeping, new business formation support, IRS notice and audit help, and assistance with QuickBooks. The firm works with clients in person and remotely, with an emphasis on planning and clear communication around accounting and tax matters.