Diwan Accounting is a CPA accounting and tax firm based in Seattle, WA, serving small businesses with practical support for financial operations and compliance. Its work centers on outsourced accounting, bringing together bookkeeping, payroll, tax preparation, tax planning, and advisory so business owners can manage core accounting needs through one provider.

The firm works with small business clients and describes experience supporting organizations such as schools, physicians, car dealerships, construction companies, and nonprofits. Services include CPA accounting advisory, new business formation, sales tax, tax services, and IRS notice or audit help. Diwan Accounting offers in-person service and also describes virtual bookkeeping, tax, and advisory support for clients that need ongoing help with their financial records and tax planning.