Building a custom Shopify store involves more than choosing a theme and adding products. Aprofessional shopify development companyestimates the cost based on page design, custom features, integrations, and testing. Your budget should cover both the initial build and the ongoing expenses needed to operate and maintain the store. Shopify’s general e-commerce cost guide places custom website development at$2,000 to $20,000 or more. A written quote should reflect your store’s requirements, the provider’s rates, and the amount of design and development included.