Thornock Financial Services provides accounting, bookkeeping, payroll, and tax support from Stanwood, WA. The firm works with individuals, small businesses, and corporate clients, with stated experience serving small to medium-sized businesses and tailoring services after a consultation.

Its service areas include bookkeeping and expense categorization, reconciliation and balancing, payroll, state and local taxes, tax planning, sales tax, new business formation, and IRS notice or audit help. The firm describes its approach as collaborative, focused on organizing financial books and helping clients manage business finances with clearer processes.