Depending on the size of the company, the complexity of the financial transactions, and the degree of services needed, accounting and bookkeeping services in Delaware might range in price. Smaller companies often spend between $100 and $300 per month on basic accounting services, which include activities like documenting transactions and balancing accounts. The price might range from $300 to $800 or more per month for more extensive services that include financial analysis, tax preparation and strategies, and payroll management.